AT28C64-25PI集成电路（IC）的存储器规格书PDF中文资料

描述 Description

The AT28C64 is a low-power, high-performance 8,192 words by 8-bit nonvolatile electrically erasable and programmable read only memory with popular, easy-to-use features. The device is manufactured with Atmel’s reliable nonvolatile technology.

特性 Features

• Fast Read Access Time – 120 ns

• Fast Byte Write – 200 µs or 1 ms

• Self-timed Byte Write Cycle

– Internal Address and Data Latches

– Internal Control Timer

– Automatic Clear Before Write

• Direct Microprocessor Control

– READY/BUSY Open Drain Output

– DATA Polling

• Low Power

– 30 mA Active Current

– 100 µA CMOS Standby Current

• High Reliability

– Endurance: 104 or 105 Cycles

– Data Retention: 10 Years

• 5V ± 10 Supply

• CMOS and TTL Compatible Inputs and Outputs

• JEDEC Approved Byte-wide Pinout

• Commercial and Industrial Temperature Ranges