About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Memory25C160T-I/SN
25C160T-I/SN Image
25C160T-I/SN Image - 1
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

25C160T-I/SN - Microchip Technology

Manufacturer Part Number
25C160T-I/SN
Manufacturer
Microchip Technology
Allelco Part Number
32D-25C160T-I/SN
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
26,447 pcs available, New & Original
Parts Description
IC EEPROM 16KBIT SPI 3MHZ 8SOIC
Package
8-SOIC
Data sheet
25C160T-I/SN.pdf

PCN Design/Specification

PdCu Bond Wire Update 21/Sep/2015.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 26447

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

25C160T-I/SN Tech Specifications
Microchip Technology - 25C160T-I/SN technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - 25C160T-I/SN

Product Attribute Attribute Value
Manufacturer Microchip Technology
Write Cycle Time - Word, Page 5ms
Voltage - Supply 4.5V ~ 5.5V
Technology EEPROM
Supplier Device Package 8-SOIC
Series -
Package / Case 8-SOIC (0.154", 3.90mm Width)
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C (TA)
Product Attribute Attribute Value
Mounting Type Surface Mount
Memory Type Non-Volatile
Memory Size 16Kbit
Memory Organization 2K x 8
Memory Interface SPI
Memory Format EEPROM
Clock Frequency 3 MHz
Base Product Number 25C160

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.32.0051

Parts Introduction

25C160T-I/SN Image
25C160T-I/SN (1)

Manufacturer Part Number

25C160T-I/SN

Manufacturer

microchip-technology

Introduction

The 25C160T-I/SN is a 16Kbit EEPROM memory chip from Microchip Technology. It features a serial peripheral interface (SPI) communication protocol, allowing for simple and efficient data exchange between the memory and a host microcontroller. This EEPROM offers reliable non-volatile storage of data, making it suitable for a wide range of applications that require compact and cost-effective data retention.

Product Features and Performance

16Kbit of non-volatile EEPROM memory

2K x 8 memory organization

SPI interface with a clock frequency up to 3 MHz

Fast 5ms write cycle time for word and page operations

Wide operating voltage range of 4.5V to 5.5V

Operating temperature range of -40°C to +85°C

Product Advantages

Compact and space-saving 8-SOIC package

Low power consumption for energy-efficient designs

Reliable data retention with EEPROM technology

Simple SPI interface for easy integration into systems

Key Reasons to Choose This Product

Versatile EEPROM memory solution for various applications

Cost-effective and space-efficient design

Proven reliability and performance from Microchip Technology

Seamless integration with microcontrollers and other SPI-based systems

Quality and Safety Features

Rigorous quality control and testing procedures

Compliance with relevant industry standards

Designed for robust and reliable operation

Compatibility

The 25C160T-I/SN EEPROM is compatible with a wide range of microcontrollers and other digital systems that support the SPI communication protocol.

Application Areas

Industrial automation and control systems

Embedded systems and IoT devices

Consumer electronics

Automotive and transportation applications

Medical and healthcare equipment

Sensor and instrumentation applications

Product Lifecycle

The 25C160T-I/SN is an active product in our website's sales team's portfolio. There are no indications of discontinuation at this time. However, customers are advised to check with our website's sales team or their authorized distributors for the latest product information and availability.

Frequently Asked Questions(FAQ)

How does the 25C160T-I/SN compare to other 16Kbit SPI EEPROMs in terms of write cycle endurance and typical application lifespan?
The 25C160T-I/SN offers a standard write cycle endurance of 1 million cycles, which aligns with industry norms for commercial-grade SPI EEPROMs. This translates to approximately 10–15 years of typical usage assuming daily full memory writes, though most applications involve far fewer writes—such as configuration data retention or occasional parameter updates. Compared to serial flash alternatives, it provides deterministic byte-level write capability without block erase overhead, making it suitable for low-duty-cycle control systems like sensor calibration storage or user setting preservation.
What are the key trade-offs between using the 25C160T-I/SN versus a similar-sized NOR flash part for non-volatile data logging applications?
While both can store 16Kbit, the 25C160T-I/SN excels in byte-erasable architectures ideal for small data updates, whereas NOR flash requires full-sector erasures before writing. For intermittent logging tasks—like saving sensor thresholds every hour—the EEPROM avoids unnecessary erase/write cycles on unused sectors, extending overall system longevity. However, if high-speed sequential access or larger block reads are required, NOR flash may offer better performance. The 25C160T-I/SN’s 3 MHz SPI interface supports moderate throughput but lacks parallel read speeds available in some flash variants.
Can the 25C160T-I/SN reliably operate at 4.5V under transient supply conditions common in industrial environments?
Yes, the 25C160T-I/SN is specified for operation across 4.5V to 5.5V, accommodating minor voltage drops below nominal 5V systems. However, during power-up or brownout events, its internal write protection mechanisms prevent accidental writes if VCC falls outside the guaranteed logic-high threshold. It includes automatic power-on reset circuitry to ensure safe initialization, but designers should still provide adequate bulk capacitance to maintain VCC above 4.5V throughout critical write sequences lasting up to 5ms per page.
Why might someone choose the 8-SOIC package of the 25C160T-I/SN over a smaller footprint alternative like an SOT-23-based solution?
Although smaller packages reduce board space, the 8-SOIC provides robust pin integrity, easier manual soldering, and better thermal dissipation during sustained write operations. Given that the 25C160T-I/SN supports only SPI communication—requiring four signal lines plus power and ground—the 8-pin layout ensures reliable connectivity without sacrificing mechanical stability. In mass-produced designs, the SOIC’s compatibility with automated pick-and-place machines further justifies its selection despite slightly larger size compared to micro-packages typically used for volatile memory.
How does the MSL 1 classification of the 25C160T-I/SN impact handling procedures during assembly?
With an Moisture Sensitivity Level of 1, the 25C160T-I/SN has unlimited floor life at <30°C/60% RH, meaning it can be stored indefinitely without special drying prior to reflow soldering. This simplifies inventory management and reduces the need for baking, unlike components rated MSL 3 or higher. Nevertheless, standard IPC Class 3 assembly practices should still be followed to avoid electrostatic discharge (ESD) damage, especially since EEPROM cells are sensitive to voltage transients during programming.
Is the 25C160T-I/SN suitable for automotive-grade temperature cycling between -40°C and +125°C?
No, the 25C160T-I/SN is rated only for industrial temperatures from -40°C to +85°C. While it performs reliably within this range, exposure beyond +85°C could degrade oxide layers inside the memory array, increasing leakage currents and potentially causing data retention failure. For automotive environments requiring AEC-Q100 qualification and wider thermal swings, a dedicated automotive EEPROM variant would be necessary instead.
What is the significance of the 3 MHz maximum clock frequency in the context of real-world SPI bus implementations using the 25C160T-I/SN?
The 3 MHz limit balances speed with noise margin and signal integrity constraints inherent to long traces or daisy-chained peripherals. On a well-designed PCB with short stubs and proper termination, this allows transfer rates around 1.5 MBaud effective throughput for small payloads—sufficient for firmware parameter updates or register configurations. However, in high-noise environments or multi-device buses, lower clock rates (e.g., 1 MHz) may be prudent to avoid setup/hold violations and ensure reliable communication across all operating conditions.
How does the page write time of 5ms for the 25C160T-I/SN affect system-level timing budgets in microcontroller-based designs?
Each page write consumes up to 5ms due to internal charge pump activation and oxide tunneling processes. If an application performs frequent writes—such as updating status flags every few milliseconds—it must either buffer multiple changes into a single page write or accept latency penalties. Designers should allocate sufficient idle time between write commands and avoid blocking real-time tasks during this period. Alternatively, using word-at-a-time writes (if supported by firmware) reduces average latency by spreading writes across pages over time.
Are there any known compatibility issues when substituting the 25C160T-I/SN with BR25L160FJ-WE2 in existing SPI layouts?
Both devices share identical pinouts and electrical characteristics, but subtle differences exist: the BR25L160FJ-WE2 typically features lower standby current and possibly enhanced ESD protection. However, its write cycle time may differ slightly, and some vendors implement unique status register formats or command opcodes. Before substitution, verify timing diagrams, command sets, and power-down behaviors match exactly, as firmware relying on specific response latencies could malfunction. Always validate under worst-case conditions before deployment.
What precautions should be taken to ensure data integrity during power-loss scenarios involving the 25C160T-I/SN?
Since the 25C160T-I/SN lacks built-in battery backup or supercapacitor support, sudden power loss during a write cycle risks corrupting data. Implementing a capacitor near the VCC pin (e.g., 10–100 µF) helps sustain voltage through brief outages, but cannot guarantee completion of the full 5ms write cycle. Firmware should check status register bits (WIP) before initiating writes and avoid critical updates during brownout detection triggers. Non-critical data may tolerate occasional corruption, but mission-critical values require external safeguards like FRAM or battery-backed SRAM.
How does the 2K x 8 memory organization influence address decoding in systems using the 25C160T-I/SN?
The 2K x 8 structure implies 11 address lines (2^11 = 2048 rows), each containing 8 bits (one byte). SPI transactions thus use two-byte addresses (MSB first), allowing access to all 2048 locations. This granularity suits applications needing fine-grained storage—such as storing individual calibration coefficients—without wasting space on larger blocks. However, cross-page writes automatically wrap to the next page boundary, so firmware must handle boundary cases explicitly to prevent unintended overwrites.
Can the 25C160T-I/SN coexist on the same SPI bus with other Microchip SPI devices without interference?
Yes, provided chip select lines are properly managed and no two devices share the same CS pin simultaneously. The 25C160T-I/SN responds only when selected, and its high-impedance inputs minimize crosstalk. However, clock skew and propagation delays must be considered in dense routing environments. Using dedicated CS lines per device and maintaining consistent trace lengths improves reliability. Note that some competing EEPROMs may have different command protocols—verify opcode compatibility before mixing vendors.
What role does the base product number 25C160 play in selecting compatible software stacks or driver libraries for the 25C160T-I/SN?
Many third-party SPI EEPROM drivers abstract hardware details based on family identifiers like "25C160." Libraries targeting this base model often include generic functions for read/write/page operations that work across suffix variants (e.g., -I/SN vs. -W). However, differences in voltage ranges, packaging, or manufacturing dates may necessitate adjustments. Always test drivers against actual hardware, especially if leveraging open-source projects, to confirm correct delay insertion and error-handling behavior.
How does ROHS3 compliance of the 25C160T-I/SN influence global market distribution and environmental regulations?
ROHS3 compliance ensures absence of restricted substances like lead, mercury, cadmium, and certain phthalates above mandated thresholds. This facilitates unrestricted sale in EU, North America, and Japan markets, avoiding customs delays or fines. Manufacturers can confidently source the 25C160T-I/SN for consumer electronics, medical devices, and industrial controls without additional testing burdens associated with non-compliant parts.
What considerations apply when integrating the 25C160T-I/SN into designs requiring cryptographic key storage?
While the 25C160T-I/SN itself provides no security features, its byte-alterable nature makes it vulnerable to physical attacks if keys reside unencrypted. For secure key storage, pair it with an MCU featuring hardware AES engines or use tamper-resistant EEPROMs with active shielding. Additionally, disable write protection via software only after authenticated access, and avoid leaving plaintext keys in volatile RAM longer than necessary. Pure EEPROMs like the 25C160T-I/SN are generally unsuitable for high-assurance cryptography without layered protections.
How does the absence of a dedicated hold pin in the 25C160T-I/SN affect interrupt-driven SPI communication?
Unlike some parallel EEPROMs, the 25C160T-I/SN uses a single CS line for both enabling and pausing transactions—there is no HOLD functionality. Therefore, once CS goes inactive, the device immediately enters standby mode regardless of ongoing clock cycles. In interrupt-heavy systems, this simplifies timing but requires precise CS assertion/deassertion aligned with transaction boundaries to prevent partial commands being misinterpreted.
What are realistic expectations for data retention duration of the 25C160T-I/SN under continuous 85°C operation?
At 85°C, the 25C160T-I/SN typically retains data for over 10 years, per JEDEC standards. However, extrapolating beyond datasheet guarantees (which specify 200-year retention at 25°C) introduces uncertainty due to Arrhenius model dependencies. For safety-critical applications, assume shorter retention periods—perhaps 5–7 years—and refresh data periodically or migrate to FRAM where applicable. Ambient temperature fluctuations in field deployments can further accelerate degradation.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology 25C160T-I/SN

Product Attribute 25C160T-E/SN 25C160-I/SN 25C160T/SN 25C160-I/P
Part Number 25C160T-E/SN 25C160-I/SN 25C160T/SN 25C160-I/P
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Mounting Type - Surface Mount Through Hole Surface Mount
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Memory Type - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Write Cycle Time - Word, Page - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Technology - - - -
Voltage - Supply - - - -
Series - - - -
Memory Size - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Memory Interface - - - -
Memory Organization - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Memory Format - - - -
Clock Frequency - - - -

25C160T-I/SN Datasheet PDF

Download 25C160T-I/SN pdf datasheets and Microchip Technology documentation for 25C160T-I/SN - Microchip Technology.

Datasheets
25AA160, 25C160, 25LC160.pdf
PCN Packaging
Label and Packing Changes 23/Sep/2015.pdf Packing Changes 10/Oct/2016.pdf
PCN Assembly/Origin
Manufacturing Change 07/Apr/2022.pdf
PCN Design/Specification
PdCu Bond Wire Update 21/Sep/2015.pdf

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
25C160T-I/SN Image

25C160T-I/SN

Microchip Technology
32D-25C160T-I/SN

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB