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AT24C512-10PU-2.7
Microchip Technology
IC EEPROM 512KBIT I2C 1MHZ 8DIP
5367 Pcs New Original In Stock
EEPROM Memory IC 512Kbit I2C 1 MHz 900 ns 8-PDIP
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5.0 / 5.0
- (254 Ratings)
AT24C512-10PU-2.7
Product Overview
1253657
DiGi Electronics Part Number
AT24C512-10PU-2.7-DGManufacturer
Microchip Technology
AT24C512-10PU-2.7
Description
IC EEPROM 512KBIT I2C 1MHZ 8DIPInventory
5367 Pcs New Original In Stock
EEPROM Memory IC 512Kbit I2C 1 MHz 900 ns 8-PDIP
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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AT24C512-10PU-2.7 Technical Specifications
Category
Memory, Memory
Packaging
-
Series
-
Product Status
Obsolete
DiGi-Electronics Programmable
Not Verified
Memory Type
Non-Volatile
Memory Format
EEPROM
Technology
EEPROM
Memory Size
512Kbit
Memory Organization
64K x 8
Memory Interface
I2C
Clock Frequency
1 MHz
Write Cycle Time - Word, Page
10ms
Access Time
900 ns
Voltage - Supply
2.7V ~ 5.5V
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Supplier Device Package
8-PDIP
Base Product Number
AT24C512
Datasheet & Documents
HTML Datasheet
AT24C512-10PU-2.7-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.32.0051
Additional Information
Standard Package
50
Alternative Parts
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MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
包裝安全性很高，商品外箱堅固耐用，沒有任何破損，放心購物。
de desembre 02, 2025
Timeliness and quality are the hallmarks of DiGi Electronics. Receiving shipments exactly as scheduled makes my work much easier.
de desembre 02, 2025
The packaging ensures products reach me in perfect condition every time.
de desembre 02, 2025
Speedy logistics combined with sustainable packaging made this a very positive shopping experience.
de desembre 02, 2025
The logistics tracking interface is intuitive and highly reliable.
de desembre 02, 2025
The broad spectrum of products allows us to incorporate new teaching methods seamlessly.
de desembre 02, 2025
Fast dispatch and friendly support—highly recommend.
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Frequently Asked Questions (FAQ)
Can the AT24C512-10PU-2.7 be safely replaced with a 24LC512-I/PG in an existing through-hole design without firmware or hardware changes?
Yes, the 24LC512-I/PG is a direct drop-in replacement for the AT24C512-10PU-2.7 in most through-hole applications, as both share identical pinouts, 512Kbit EEPROM capacity, I2C interface, and 8-DIP packaging. However, verify that your system operates within the 24LC512-I/PG’s 1.8V to 5.5V supply range and confirm timing compatibility—especially if your design relies on the original’s 1 MHz clock support. While functionally equivalent, always validate write cycle endurance (1 million cycles typical) and page write buffer behavior during initial testing to avoid silent data corruption.
What are the risks of using the AT24C512-10PU-2.7 in a multi-master I2C system with clock stretching and frequent small writes?
The AT24C512-10PU-2.7 does not support clock stretching, which can cause bus contention or data loss in multi-master I2C systems where other devices rely on it for synchronization. Additionally, frequent small writes (e.g., single-byte updates) significantly reduce effective endurance due to the 10ms write cycle time per operation—writing one byte triggers a full internal page write (up to 128 bytes), increasing wear. To mitigate risk, buffer writes in RAM and commit only when necessary, or consider migrating to a FRAM-based alternative if write frequency exceeds ~10 writes/second over the product lifetime.
Is the AT24C512-10PU-2.7 suitable for automotive under-hood applications given its -40°C to 85°C rating and obsolete status?
While the AT24C512-10PU-2.7 meets the temperature range (-40°C to 85°C), its obsolete status introduces long-term supply chain and qualification risks for automotive use. Automotive designs typically require AEC-Q100 qualification, extended reliability data, and assured lifetime availability—none of which are guaranteed for this part. Furthermore, without formal automotive certification, you assume liability for field failures. Consider qualified alternatives like the 24AA512-Q/P (AEC-Q100 Grade 2) instead, even if it requires minor firmware adjustments for address handling.
How does the page write behavior of the AT24C512-10PU-2.7 impact data integrity during power loss, and what design practices minimize risk?
The AT24C512-10PU-2.7 performs internal page writes (up to 128 bytes) during any write operation, and a power loss mid-cycle can corrupt an entire page—even if only one byte was intended to change. This is critical in battery-backed or unstable power environments. To minimize risk, implement a two-stage write strategy: first log changes in a circular buffer in RAM, then commit only complete, validated pages during stable power conditions. Additionally, use external brown-out detection to disable writes below 2.7V, and consider adding a small supercapacitor to complete pending writes during unexpected shutdowns.
Can I mix the AT24C512-10PU-2.7 with faster I2C EEPROMs like the 24FC512-I/P on the same bus without timing issues?
Yes, but with caution. The AT24C512-10PU-2.7 supports standard-mode (100 kHz) and fast-mode (400 kHz) I2C, while the 24FC512-I/P supports fast-mode plus (1 MHz). When mixed on the same bus, all devices must operate at the slowest common speed—so you’re limited to 400 kHz max. More critically, ensure pull-up resistors are sized for the combined bus capacitance and lowest voltage device. Also, verify that your MCU’s I2C controller can handle the AT24C512-10PU-2.7’s 900 ns access time during read operations; some high-speed controllers may misread data if setup/hold times aren’t respected at elevated temperatures or lower VCC.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
AT24C512-10PU-2.7 CAD Models
Microchip Technology AT24C512-10PU-2.7 PCB symbols & footprints
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