描述 Description

The AT25080A/160A/320A/640A provides 8192/16384/32768/65536 bits of serial electrically-erasable programmable read-only memory (EEPROM) organized as 1024/2048/4096/8192 words of 8 bits each. The device is optimized for use in many automotive applications where low-power and low-voltage operation are essential. The AT25080A/160A/320A/640A is available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC and 8-lead TSSOP packages.

特性 Features

? Serial Peripheral Interface (SPI) Compatible

? Supports SPI Modes 0 (0,0) and 3 (1,1)

– Data Sheet Describes Mode 0 Operation

? Medium-voltage and Standard-voltage Operation

– 2.7 (VCC = 2.7V to 5.5V)

? Extended Temperature Range –40°C to 125°C

? 5.0 MHz Clock Rate

? 32-byte Page Mode

? Block Write Protection

– Protect 1/4, 1/2, or Entire Array

? Write Protect (WP) Pin and Write Disable Instructions for Both Hardware and Software Data Protection

? Self-timed Write Cycle (2 ms [5V] typical)

? High Reliability

– Endurance: One Million Write Cycles

– Data Retention: 100 Years

? 8-lead PDIP, 8-lead JEDEC SOIC Packages and 8-lead TSSOP Packages