描述 Description

The AT25080/160/320/640 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 industrial and commercial applications where low-power and low-voltage operation are essential. The AT25080/160/320/640 is available in space saving 8-lead PDIP, 8-lead JEDEC SOIC and 14-lead TSSOP packages

特性 Features

? Serial Peripheral Interface (SPI) Compatible

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

? Low-voltage and Standard-voltage Operation

– 2.7 (VCC = 2.7V to 5.5V)

– 1.8 (VCC = 1.8V to 5.5V)

? 3.0 MHz Clock Rate (5V)

? 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 (5 ms Typical)

? High-reliability

– Endurance: One Million Write Cycles

– Data Retention: 100 Years

? Automotive Grade Devices Available

? 8-lead PDIP, 8-lead JEDEC SOIC and 14-lead TSSOP Packages