AT28BV256 - ATMEL Corporation

AT28BV256 256K (32K x 8) Battery-Voltage Parallel EEPROMs

The AT28BV256 is a high-performance electrically erasable and programmable readonly memory. Its 256K of memory is organized as 32,768 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers access time.

Features

• Single 2.7V - 3.6V Supply
• Fast Read Access Time
  – 200 ns
• Automatic Page Write Operation
  – Internal Address and Data Latches for 64 Bytes
  – Internal Control Timer
• Fast Write Cycle Times
  – Page Write Cycle Time: 10 ms Maximum
  – 1- to 64-byte Page Write Operation
• Low Power Dissipation
  – 15 mA Active Current
  – 20 µA CMOS Standby Current
• Hardware and Software Data Protection
• Data Polling for End of Write Detection
• High Reliability CMOS Technology
  – Endurance: 10,000 Cycles
  – Data Retention: 10 Years
• JEDEC Approved Byte-wide Pinout
• Industrial Temperature Ranges
• Green (Pb/Halide.