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Description

The Microchip Technology Inc. 25AA080A/B, 25LC080A/B (25XX080A/B*) are 8 Kbit Serial Electrically Erasable PROMs. The memory is 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.

Features

? Max. clock 10 MHz

? Low-power CMOS technology

? 1024 x 8-bit organization

? 16 byte page (‘A’ version devices)

? 32 byte page (‘B’ version devices)

? Write cycle time: 5 ms max.

? Self-timed ERASE and WRITE cycles

? 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

? Sequential read

? High reliability

- Endurance: 1,000,000 erase/write cycles

- Data retention: > 200 years

- ESD protection: > 4000V

? Temperature ranges supported;

- Industrial (I): -40°C to +85°C

- Automotive (E): -40°C to +125°C