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ATMEL 28H DataSheet

No. Partie # Fabricant Description Fiche Technique
1
28HC256

ATMEL
AT28HC256

• Fast Read Access Time
  – 70 ns
• Automatic Page Write Operation
  – Internal Address and Data Latches for 64 Bytes
  – Internal Control Timer
• Fast Write Cycle Times
  – Page Write Cycle Time: 3 ms or 10 ms Maximum
  – 1 to 64-byte Page Write Operation
• L
Datasheet
2
AT28HC256

ATMEL Corporation
256K (32K x 8) High-speed Parallel EEPROM

• Fast Read Access Time
  – 70 ns
• Automatic Page Write Operation
  – Internal Address and Data Latches for 64 Bytes
  – Internal Control Timer
• Fast Write Cycle Times
  – Page Write Cycle Time: 3 ms or 10 ms Maximum
  – 1 to 64-byte Page Write Operation
• L
Datasheet
3
AT28HC64B

ATMEL Corporation
64K (8K x 8) High-speed Parallel EEPROM

• Fast Read Access Time
  – 70 ns
• Automatic Page Write Operation
  – Internal Address and Data Latches for 64 Bytes
• Fast Write Cycle Times
  – Page Write Cycle Time: 10 ms Maximum (Standard) 2 ms Maximum (Option
  – Ref. AT28HC64BF Datasheet)
  – 1 to 64-b
Datasheet
4
AT28HC256N

ATMEL Corporation
High-speed Parallel EEPROM

• Fast Read Access Time
  – 90 ns
• Automatic Page Write Operation








  – Internal Address and Data Latches for 64 Bytes
  – Internal Control Timer Fast Write Cycle Times
  – Page Write Cycle Time: 3 ms Maximum
  – 1 to 64-byte Page Write Operatio
Datasheet
5
AT28HC64BF

ATMEL Corporation
64K (8K x 8) High Speed Parallel EEPROM

• Fast Read Access Time
  – 70 ns
• Automatic Page Write Operation
  – Internal Address and Data Latches for 64 Bytes
• Fast Write Cycle Times
  – Page Write Cycle Time: 2 ms Maximum (Standard)
  – 1 to 64-byte Page Write Operation
• Low Power Dissipation
  –
Datasheet



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