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MICROCHIP  25AA040A-I/MS  EEPROM, 4 Kbit, 512 x 8bit, 10 MHz, Serial SPI, MSOP, 8 Pins

Technical Data Sheet (1.06MB) EN See all Technical Docs

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MICROCHIP 25AA040A-I/MS
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Product Overview

The 25AA040A-I/MS is a 4kB serial Electrically Erasable Programmable Read-Only Memory (EEPROM) accessed via a simple serial peripheral interface (SPI) compatible serial bus. The bus signals required are a clock input (SCK) plus separate data in (SI) and data out (SO) lines. Access to the device is controlled through a chip select (CS) input. Communication to the device can be paused via the hold pin (HOLD). While the device is paused, transitions on its inputs will be ignored, with the exception of chip select, allowing the host to service higher priority interrupts.
  • Maximum clock 10MHz
  • Low-power CMOS technology
  • Write page mode
  • Sequential read
  • Self-timed erase and write cycles 5ms maximum
  • Block write protection - Protect none, 1/4, 1/2 or all of array
  • Built-in write protection
  • Power-on/off data protection circuitry
  • Write enable latch
  • Write-protect pin
  • High reliability
  • Endurance - 1000000 erase/write cycles
  • Data retention - >200 years
  • ESD protection - 4000V

Product Information

Memory Size:
4Kbit
EEPROM Memory Configuration:
512 x 8bit
Clock Frequency:
10MHz
IC Interface Type:
Serial SPI
Memory Case Style:
MSOP
No. of Pins:
8Pins
Supply Voltage Min:
1.8V
Supply Voltage Max:
5.5V
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Packaging:
Each
Product Range:
4Kbit Serial SPI EEPROMs
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Computers & Computer Peripherals;
  • Industrial;
  • Communications & Networking;
  • Consumer Electronics

Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
Country of Origin:
United States

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Yes
Tariff No:
85423261
Weight (kg):
.0001