AT28BV256 datasheet(7/18 Pages) ATMEL

部件名	AT28BV256

功能描述	256K (32K x 8) Battery-Voltage Parallel EEPROMs

PDF	18 Pages

Scroll/Zoom	100%

制造商	ATMEL [ATMEL Corporation]

网页	http://www.atmel.com

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0273J–PEEPR–10/06

AT28BV256

10. AC Read Waveforms(1)(2)(3)(4)

Notes:

1. CE may be delayed up to t

ACC - tCE after the address transition without impact on tACC.

2. OE may be delayed up to tCE - tOE after the falling edge of CE without impact on tCE or by tACC - tOE after an address change

without impact on tACC.

3. t

DF is specified from OE or CE whichever occurs first (CL = 5 pF).

4. This parameter is characterized and is not 100% tested.

AC Read Characteristics

Symbol

Parameter

AT28BV256-20

Units

Min

Max

tACC

Address to Output Delay

200

(1)

CE to Output Delay

200

tOE

(2)

OE to Output Delay

tDF

(3)(4)

CE or OE to Output Float

Output Hold from OE, CE or Address, whichever occurred first

tCE

tOE

tDF

tOH

tACC

AT28BV256 数据表(PDF) 7 Page - ATMEL Corporation

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