AT28HC256 Datasheet (Microchip) - High-Speed Paged Parallel EEPROM

AT28HC256, High-Speed Paged Parallel EEPROM

5 3.

Description 6 3.1.

Block Diagram 6 4.

Electrical Characteristics 7 4.1.

Absolute Maximum Ratings7 4.2.

DC and AC Operating Range 7 4.3.

DC Characteristics 7 4.4.

Pin Capacitance 7 5.

Normalized ICC Graphics 8 6.

Device Operation 9 6.1.

Operating Modes 10 6.2.

AC Read Characteristics 10 6.3.

AT28HC256 Features

* Fast Read Access Time: 70 ns

* Automatic Page Write Operation:

* Internal address and data latches for 64 bytes

* Internal control timer

* Fast Write Cycle Time:

* Page Write cycle time: 3 ms or 10 ms maximum

* 1 to 64-byte Page Write operati