AT25020A集成电路（IC）的存储器规格书PDF中文资料

描述 Description

The AT25010A/020A/040A provides 1024/2048/4096 bits of serial electrically-erasable programmable read-only memory (EEPROM) organized as 128/256/512 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 AT25010A/020A/040A is available in space-saving 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

• 8-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 (5 ms max)

• High Reliability

– Endurance: One Million Write Cycles

– Data Retention: 100 Years

• 8-lead JEDEC SOIC and 8-lead TSSOP Packages