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Home Products Integrated Circuits (ICs)Memory~~24LC512T-E/SN16KVAO~~

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24LC512T-E/SN16KVAO - Microchip Technology

Name: Microchip Technology 24LC512T-E/SN16KVAO
Brand: Microchip Technology
SKU: 24LC512T-E/SN16KVAO
Availability: InStock
Rating: 5 (2 reviews)

Manufacturer Part Number: 24LC512T-E/SN16KVAO

Manufacturer: Microchip Technology

Allelco Part Number: 98D-24LC512T-E/SN16KVAO

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 6,761 pcs available, New & Original

Parts Description: IC EEPROM 512KBIT I2C 8SOIC

Package: 8-SOIC

Data sheet: 24LC512T-E/SN16.pdf

Datasheets
24AA512, 24LC512, 24FC512.pdf

RoHs Status

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In stock: 6761

Specifications

24LC512T-E/SN16KVAO Tech Specifications
Microchip Technology - 24LC512T-E/SN16KVAO technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - 24LC512T-E/SN16KVAO

Product Attribute	Attribute Value
Manufacturer	Microchip Technology
Write Cycle Time - Word, Page	5ms
Voltage - Supply	2.5V ~ 5.5V
Technology	EEPROM
Supplier Device Package	8-SOIC
Series	Automotive, AEC-Q100
Package / Case	8-SOIC (0.154", 3.90mm Width)
Package	Tape & Reel (TR)
Operating Temperature	-40°C ~ 125°C (TA)

Product Attribute	Attribute Value
Mounting Type	Surface Mount
Memory Type	Non-Volatile
Memory Size	512Kbit
Memory Organization	64K x 8
Memory Interface	I²C
Memory Format	EEPROM
Clock Frequency	400 kHz
Base Product Number	24LC512
Access Time	900 ns

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected
ECCN	3A991B1B2
HTSUS	8542.32.0051

Frequently Asked Questions(FAQ)

How does the 24LC512T-E/SN16KVAO compare to the M24512-WMN6TP in terms of supply voltage tolerance and I2C clock frequency compatibility for automotive-grade applications?: The 24LC512T-E/SN16KVAO operates over a supply voltage range of 2.5V to 5.5V with a maximum I2C clock frequency of 400 kHz, ensuring robust operation in mixed-voltage automotive systems. While the M2452-WMN6TP shares similar electrical characteristics, its specific voltage thresholds and timing margins may differ due to process variations. Both devices are AEC-Q100 qualified, but designers should verify exact noise immunity and setup/hold time compliance under real-world conditions, especially near the upper voltage limit where signal integrity can degrade.

What is the effective write endurance and data retention period for the 24LC512T-E/SN16KVAO when used in continuous logging applications at elevated temperatures?: The 24LC512T-E/SN16KVAO offers a typical write endurance of 1 million cycles per memory location, which degrades with temperature due to increased oxide stress. At 85°C, this may reduce to approximately 700,000 cycles, and at 125°C—the maximum operating temperature—endurance could drop below 300,000 cycles. Data retention remains specified at 40 years at 25°C but decreases significantly at higher temperatures; empirical studies suggest retention may fall below 10 years when operated continuously at 105°C or above.

Can the 24LC512T-E/SN16KVAO be safely interfaced with a 3.3V microcontroller using standard pull-up resistors without level shifting, given its 2.5V minimum VCC requirement?: Yes, the 24LC512T-E/SN16KVAO supports bidirectional I/O compatibility down to 2.5V, making it suitable for direct connection to a 3.3V MCU such as an STM32 or ESP32 without external level shifters. However, the device’s input high threshold (typically 0.7 × VCC) must exceed the MCU’s output low level. With proper pull-up resistor selection (e.g., 4.7kΩ–10kΩ), signal rise times remain within I2C specifications even at 400 kHz, provided total bus capacitance stays under 400 pF.

How does page write performance vary across different page sizes when writing to the 24LC512T-E/SN16KVAO, and what impact does this have on firmware update efficiency?: The 24LC512T-E/SN16KVAO supports variable page writes up to 64 bytes per operation. Writing smaller chunks increases overhead due to repeated address pointers and ACK/NACK cycles, while larger pages improve throughput but risk partial corruption if a power loss occurs mid-write. For firmware updates requiring atomicity, splitting large binaries into multiple 32-byte pages balances speed and reliability. At 400 kHz, each 64-byte page takes ~5 ms, resulting in roughly 12.8 KB/s sustained write bandwidth—sufficient for non-real-time logging but marginal for rapid configuration changes.

What are the key differences between the 24LC512T-E/SN16KVAO and CAT24C512WI-GT3 in terms of package footprint, moisture sensitivity, and substitution eligibility?: The 24LC512T-E/SN16KVAO uses an 8-SOIC package with a 3.90 mm width and Moisture Sensitivity Level (MSL) of 3 (168-hour floor life), matching the CAT24C512WI-GT3 in form factor. However, the latter may have slightly tighter write cycle timing or different ESD protection levels. Substitution requires verifying AEC-Q100 grade alignment, voltage compatibility, and I2C addressing modes. While both share the same base architecture, layout parasitics and thermal profiles may necessitate PCB rework during migration.

Is it possible to use the 24LC512T-E/SN16KVAO in a multi-drop I2C configuration with multiple EEPROMs sharing the same bus, and what precautions apply?: Yes, the 24LC512T-E/SN16KVAO supports unique 7-bit slave addresses (up to four devices via hardware pins A0–A2), enabling multi-drop configurations. Critical precautions include minimizing trace lengths (<10 cm), using strong pull-ups (≤4.7 kΩ), and ensuring no contention during simultaneous access. Bus capacitance should remain under 400 pF; otherwise, rise time violations may corrupt data. Additionally, software arbitration logic must handle repeated START conditions correctly to avoid lockups.

How does the access time of the 24LC512T-E/SN16KVAO affect real-time system responsiveness during random byte reads compared to burst reads?: The 24LC512T-E/SN16KVAO has a maximum access time of 900 ns from chip select to data valid. In single-byte read mode, this contributes directly to latency, whereas burst reads exploit internal prefetching to maintain throughput despite the same 900 ns delay. For example, reading eight consecutive bytes yields an average transfer rate of ~1.1 MB/s over 400 kHz I2C. Thus, in time-sensitive applications like sensor calibration loops, burst mode reduces cumulative delay by up to 70% compared to isolated byte reads.

What environmental and regulatory considerations apply when deploying the 24LC512T-E/SN16KVAO in mass production for European automotive markets?: As an AEC-Q100 Grade 1 qualified part, the 24LC512T-E/SN16KVAO meets stringent automotive reliability standards (-40°C to +125°C). It complies with RoHS3 directives and is REACH unaffected, eliminating SVHC concerns. Its ECCN classification (3A991B1B2) indicates export control under US regulations, so exporters must verify destination country restrictions. Packaging follows JEDEC standards, and lead-free assembly is required for global compliance, including China RoHS and Japan JIS C 0958.

Can the 24LC512T-E/SN16KVAO reliably retain critical bootloader parameters through multiple erase/write cycles without wear-leveling algorithms?: Without wear-leveling, the 24LC512T-E/SN16KVAO’s endurance limits frequent writes to a single block. If a bootloader stores version flags or calibration data in fixed locations, write counts exceeding 10^5 cycles may cause failure. Implementing logical-to-physical mapping across 128 blocks distributes writes evenly, extending functional lifespan beyond the datasheet guarantee. This approach also mitigates bit decay risks in high-radiation environments, though the device is not radiation-hardened.

What is the recommended decoupling strategy for the 24LC512T-E/SN16KVAO in noisy automotive power environments to prevent accidental writes or data corruption?: A 100 nF ceramic capacitor placed within 5 mm of the VCC and GND pins filters high-frequency transients common in automotive loads. Additionally, a 10 µF bulk capacitor near the board’s power entry reduces low-frequency ripple. Avoid placing decoupling capacitors too close to the IC, as ground bounce can induce false transitions on the WP (Write Protect) pin. Ferrite beads may be added if switching regulators feed the rail, but they must not introduce significant DC impedance that compromises stable operation below 2.5V.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology 24LC512T-E/SN16KVAO

Product Attribute
Part Number	24LC512T-E/SN	24LC512T-E/ST14	24LC512T-E/MS	24LC512T-I/SN
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Write Cycle Time - Word, Page	-	-	-	-
Clock Frequency	-	-	-	-
Access Time	-	-	-	-
Memory Format	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Voltage - Supply	-	-	-	-
Technology	-	-	-	-
Memory Type	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Memory Size	-	-	-	-
Series	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Memory Organization	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Memory Interface	-	-	-	-

24LC512T-E/SN16KVAO Datasheet PDF

Download 24LC512T-E/SN16KVAO pdf datasheets and Microchip Technology documentation for 24LC512T-E/SN16KVAO - Microchip Technology.

Datasheets: 24AA512, 24LC512, 24FC512.pdf

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Customer Reviews

Evaluation: 10 Articles

Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
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.

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Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	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.
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