AT28C64 - ATMEL Corporation

AT28C64 64K (8K x 8) Parallel EEPROMs

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. (continued) Pin Configurations Pin Name A0 - A12 CE OE WE I/O0 - I/O7 RDY/BUSY NC DC Function Addresses Chip Enabl.

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 Description The AT28C64 is a low-power, high-.