AT28C64B-25 Просмотр технического описания (PDF) - Atmel Corporation

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AT28C64B-25

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

Atmel Corporation 

Toggle Bit Characteristics(1)

Symbol Parameter

tDH

tOEH

tOE

tOEHP

tWR

Notes:

Data Hold Time

OE Hold Time

OE to Output Delay(2)

OE High Pulse

Write Recovery Time

1. These parameters are characterized and not 100% tested.

2. See “AC Read Characteristics” on page 5.

Toggle Bit Waveforms(1)(2)(3)

AT28C64B

Min

Typ

Max

Units

10

ns

10

ns

ns

150

ns

0

ns

tOEH

tOEHP

tDH

tOE

tWR

Notes: 1. Toggling either OE or CE or both OE and CE will operate toggle bit.

2. Beginning and ending state of I/O6 will vary.

3. Any address location may be used but the address should not vary.

13

0270I–PEEPR–08/03

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