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HomeProductsIntegrated Circuits (ICs)MemoryM95M01-DFCS6TP/K
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M95M01-DFCS6TP/K - STMicroelectronics

Manufacturer Part Number
M95M01-DFCS6TP/K
Manufacturer
STMicroelectronics
Allelco Part Number
32D-M95M01-DFCS6TP/K
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
21,393 pcs available, New & Original
Parts Description
IC EEPROM 1MBIT SPI 16MHZ 8WLCSP
Package
8-WLCSP
Data sheet
M95M01-DFCS6TP/.pdf

PCN Assembly/Origin

Mult Devices 27/Feb/2019.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 21393
  • Unit Price: $1.515
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $1.515 $1.52
10+ $1.312 $13.12
30+ $1.183 $35.49
100+ $1.053 $105.30
500+ $0.995 $497.50
1000+ $0.969 $969.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

M95M01-DFCS6TP/K Tech Specifications
STMicroelectronics - M95M01-DFCS6TP/K technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - M95M01-DFCS6TP/K

Product Attribute Attribute Value
Manufacturer STMicroelectronics
Write Cycle Time - Word, Page 5ms
Voltage - Supply 1.7V ~ 5.5V
Technology EEPROM
Supplier Device Package 8-WLCSP
Series -
Package / Case 8-UFBGA, WLCSP
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 1Mbit
Memory Organization 128K x 8
Memory Interface SPI
Memory Format EEPROM
Clock Frequency 16 MHz
Base Product Number M95M01

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

M95M01-DFCS6TP/K Image
M95M01-DFCS6TP/K (1)

Manufacturer Part Number

M95M01-DFCS6TP/K

Manufacturer

STMicroelectronics

Introduction

The M95M01-DFCS6TP/K is a 1Mbit serial EEPROM from STMicroelectronics, designed for storing non-volatile memory contents using EEPROM technology, with a high-density 1Mbit memory size.

Product Features and Performance

Non-Volatile EEPROM Memory

Memory Size: 1Mbit

Memory Organization: 128K x 8

SPI Memory Interface for high-speed communication

Clock Frequency: 16 MHz for rapid data access

Write Cycle Time - Word, Page: 5ms, enabling efficient writing operations

Operating Voltage Range: 1.7V to 5.5V, ensuring compatibility with a variety of logic levels

Supports Operating Temperature range from -40°C to 85°C, ensuring reliability under extreme conditions

Surface Mount package for compact and efficient PCB design

Product Advantages

High-density memory storage solution

Flexible voltage range for versatile applications

High reliability and endurance over temperature variations

Fast data access and efficient write cycle time for increased performance

Compact 8-WLCSP package for space-constrained applications

Key Technical Parameters

Memory Type: EEPROM

Memory Format: EEPROM

Memory Interface: SPI

Clock Frequency: 16 MHz

Voltage - Supply: 1.7V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 8-UFBGA, WLCSP

Quality and Safety Features

Designed and manufactured by STMicroelectronics for high reliability and performance

Compliance with industry standards for quality and safety in electronic components

Compatibility

Compatible with devices requiring SPI Memory interface and voltage range between 1.7V and 5.5V.

Suitable for a broad range of applications due to its versatile operating temperature range and compact packaging

Application Areas

Embedded systems and small devices

Data logging systems in automotive and industrial applications

Consumer electronics and IoT devices

Device configuration storage

Product Lifecycle

Active Product Status indicating ongoing manufacture and support

No current indication of nearing discontinuation, ensuring long-term availability and support

Several Key Reasons to Choose This Product

Large memory capacity within a compact form factor for space efficiency

High-speed SPI interface for quick data retrieval and storage operations

Broad voltage and temperature range for versatile and reliable operation across different environments

Manufactured by STMicroelectronics, a leader in semiconductor solutions, ensuring quality and reliability

Active lifecycle status with support and availability for long-term projects

Frequently Asked Questions(FAQ)

What is the maximum clock frequency supported by the M95M01-DFCS6TP/K EEPROM for reliable SPI communication, and how does this impact data transfer efficiency in embedded systems?
The M95M01-DFCS6TP/K supports a maximum SPI clock frequency of 16 MHz, enabling fast serial communication with microcontrollers. This high-speed interface allows efficient data transfers—such as writing 128 bytes in approximately 0.064 milliseconds at full speed—making it suitable for time-critical applications like real-time sensor logging or configuration storage in compact embedded designs.
How does the M95M01-DFCS6TP/K compare to other EEPROMs in terms of power consumption during write operations, and what considerations apply when operating at lower supply voltages such as 1.7V?
At 1.7V operation, the M95M01-DFCS6TP/K consumes significantly less power than higher-voltage EEPROMs during writes due to reduced I²C/SPI current draw and minimized voltage stress on internal charge pumps. However, write cycle times remain fixed at 5ms regardless of supply voltage, so designers must account for longer effective latency when using battery-powered systems where duty cycling is critical.
Can the M95M01-DFCS6TP/K reliably retain data over extended periods under industrial temperature conditions, and what environmental factors might affect its long-term integrity?
Yes, the M95M01-DFCS6TP/K is rated for -40°C to +85°C operation and typically retains data for over 40 years at 55°C based on endurance curves from STMicroelectronics' reliability testing. However, cumulative write cycles (rated at 1 million) and exposure to extreme humidity or mechanical stress may accelerate degradation, particularly if used near the upper end of the operating temperature range without proper thermal management.
What is the difference between page write and byte write modes in the M95M01-DFCS6TP/K, and which should be preferred when updating small amounts of configuration data frequently?
The M95M01-DFCS6TP/K supports both byte and page write operations via SPI. A page consists of up to 16 bytes, and while individual bytes can be written, each requires a full 5ms erase/write cycle. For frequent small updates, minimizing page size usage reduces wear but increases command overhead; however, since all writes incur the same duration, optimal strategy depends more on minimizing total write count than mode selection.
How does the 8-WLCSP package of the M95M01-DFCS6TP/K influence PCB layout complexity compared to larger packages like SOIC, especially in high-density designs?
The 8-WLCSP footprint of the M95M01-DFCS6TP/K occupies minimal board space—typically under 1 mm²—enabling high component density. However, it demands precise soldering techniques such as controlled reflow profiles and accurate alignment due to small bump pitch (usually 0.4mm or less). In contrast, SOIC-based alternatives offer easier hand-soldering and inspection but require significantly more board real estate, impacting cost and integration flexibility in space-constrained applications.
Is it feasible to cascade multiple M95M01-DFCS6TP/K devices on a single SPI bus for expanded memory capacity, and what timing constraints must be observed?
Yes, multiple M95M01-DFCS6TP/K devices can share an SPI bus using unique chip select lines, effectively creating a multi-gigabit memory array. Each device operates independently at up to 16 MHz, but total system throughput is limited by the slowest write cycle (5ms per operation), not the clock speed. Careful attention to CS assertion timing and inter-device spacing avoids contention and ensures reliable addressing across all units.
How does the moisture sensitivity level (MSL) classification of 1 for the M95M01-DFCS6TP/K simplify handling during manufacturing compared to higher MSL components?
With an MSL rating of 1, the M95M01-DFCS6TP/K is not sensitive to moisture-induced damage and does not require baking before assembly, unlike MSL 3–4 parts that must be dried if exposed to ambient humidity beyond threshold limits. This simplifies supply chain logistics and reduces production lead time, particularly beneficial for rapid prototyping or low-volume manufacturing runs.
What are the key differences between the M95M01-DFCS6TP/K and similar-density EEPROMs like the Microchip 25LC800 regarding interface compatibility and voltage tolerance?
While both offer 1Mbit density, the M95M01-DFCS6TP/K uses SPI with 1.7V–5.5V operation versus the 25LC800’s 1.8V–5.5V range and identical SPI interface. The ST part tolerates lower voltages down to 1.7V, offering better compatibility with modern ultra-low-power MCUs. Additionally, the M95M01 supports deeper write protection registers and has slightly faster max clock (16MHz vs. 10MHz), though actual performance depends on host implementation and cabling quality.
Can the M95M01-DFCS6TP/K be used in automotive applications requiring functional safety certification, and what limitations exist regarding qualification status?
Currently, the M95M01-DFCS6TP/K lacks formal AEC-Q100 qualification, which limits its direct use in safety-critical automotive systems. It can still serve in non-safety roles like infotainment boot storage or diagnostic logging where basic reliability suffices. Designers considering automotive deployment should verify alternate parts with certified variants or implement redundant error detection schemes to mitigate risk.
What happens when the M95M01-DFCS6TP/K receives an invalid address during a read operation, and how does this affect system robustness?
If an out-of-bounds address is accessed, the M95M01-DFCS6TP/K returns undefined data rather than triggering an error condition. Since it lacks built-in address validation, software must enforce valid ranges (0x0000–0x1FFFF) to prevent reading stale or corrupted values, especially important in fault-tolerant designs where data integrity is paramount.
How does the RoHS compliance of the M95M01-DFCS6TP/K affect global regulatory adherence, particularly in regions with strict hazardous substance restrictions?
As a RoHS3-compliant component, the M95M01-DFCS6TP/K contains no lead, mercury, cadmium, hexavalent chromium, PBB, or PBDE above permitted thresholds, ensuring compliance with EU, China, and California regulations. This eliminates need for exemptions in consumer or medical electronics and simplifies export documentation, reducing legal and logistical risks in international deployments.
In a battery-backed IoT node powered by a Li-ion cell discharging to 2.7V, can the M95M01-DFCS6TP/K operate continuously without voltage regulation overhead?
Yes, the M95M01-DFCS6TP/K operates reliably down to 1.7V, accommodating unregulated Li-ion cells that drop below 3.0V during discharge. However, frequent writes near the lower voltage limit increase current draw and may shorten battery life; thus, implementing write throttling or using external LDOs for stable logic rails optimizes longevity in energy-scavenging scenarios.
What distinguishes the base product number M95M01 from derivative variants like the M95M01-DFCS6TP/K, particularly in terms of packaging and industrial suitability?
The base M95M01 refers to the core memory architecture supporting 1Mbit SPI EEPROM functionality. Derivatives like the M95M01-DFCS6TP/K specify packaging (8-WLCSP), speed grade (16MHz), and environmental ratings. The WLCSP variant offers superior thermal performance and miniaturization but requires advanced assembly; other packages like SO-8 or TSSOP provide broader manufacturability at the cost of size.
How does the 1 million write endurance specification of the M95M01-DFCS6TP/K translate into practical application lifespan for firmware update logging?
Assuming one firmware log entry per day (each <128 bytes), the M95M01-DFCS6TP/K could sustain over 2,700 years of continuous writes—far exceeding typical product lifecycles. Even with aggressive logging (100 writes/day), it exceeds 27 years. Thus, endurance is rarely a constraint unless implementing extremely dense write-heavy workloads like real-time waveform buffering without wear-leveling algorithms.
Does the M95M01-DFCS6TP/K support hardware write protection features, and how can they be leveraged to prevent accidental data corruption during field updates?
Yes, it includes configurable block protection via status register bits allowing locking of specific memory segments (e.g., bootloader area). When enabled, writes to protected regions are ignored, preventing firmware rollback or misconfiguration. This feature is essential in production environments where physical access control isn't feasible, adding a layer of security against unintentional overwrites.
What impact does the 5ms write cycle time have on real-time system responsiveness when using the M95M01-DFCS6TP/K for interrupt-driven parameter storage?
During a write cycle, the SPI interface becomes temporarily busy, blocking new commands until completion. In interrupt-heavy systems, this can delay critical responses if not managed properly. Best practice involves deferring non-urgent writes to idle periods or using double-buffering techniques to hide latency, ensuring deterministic behavior in time-sensitive control loops.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics M95M01-DFCS6TP/K

Product Attribute M95M01-RCS6TP/A M95M01-DFDW6TP M95M01-DFMN6TP M95M01-DWMN3TP/K
Part Number M95M01-RCS6TP/A M95M01-DFDW6TP M95M01-DFMN6TP M95M01-DWMN3TP/K
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Memory Size - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Memory Type - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Memory Organization - - - -
Series - - - -
Memory Interface - - - -
Clock Frequency - - - -
Technology - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Write Cycle Time - Word, Page - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Supply - - - -
Memory Format - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42

M95M01-DFCS6TP/K Datasheet PDF

Download M95M01-DFCS6TP/K pdf datasheets and STMicroelectronics documentation for M95M01-DFCS6TP/K - STMicroelectronics.

Datasheets
M95M01-DF, M95M01-R.pdf
PCN Packaging
Mult Dev Pkg Chgs 29/Sep/2021.pdf Mult Device Pkg Update 16/Jun/2017.pdf
PCN Assembly/Origin
Mult Devices 27/Feb/2019.pdf

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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.

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M95M01-DFCS6TP/K Image

M95M01-DFCS6TP/K

STMicroelectronics
32D-M95M01-DFCS6TP/K

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

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