AT28C64B-20 查看數據表（PDF） - Atmel Corporation

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AT28C64B-20

64K(8K x 8) Parallel EEPROM Page Write and Software Data Protection

Atmel Corporation 

AT28C64B

Software Protected Write Cycle Waveforms(1)(2)

OE

CE

tWPH

tBLC

tWP

WE

tAS

tAH

tDH

A0 -A5

A6 - A12

tDS

DATA

tWC

Notes: 1. A6 through A12 must specify the same page address during each high to low transition of WE (or CE) after the software

code has been entered.

2. OE must be high only when WE and CE are both low.

11

0270I–PEEPR–08/03

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