AT52SC1283J datasheet(35/52 Pages) ATMEL

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3530B–STKD–2/4/05

AT52SC1283J/1284J [Preliminary]

31. AC Word Load Waveforms 1

31.1

WE Controlled(1)

Note:

1. After the high-to-low transition on AVD, AVD may remain low as long as the CLK input does not toggle.

31.2

CE Controlled(1)

Note:

1. After the high-to-low transition on AVD, AVD may remain low as long as the CLK input does not toggle.

30. AC Word Load Characteristics 1

Symbol

Parameter

Min

Max

Units

AAV

Address Valid to AVD High

tAHAV

Address Hold Time from AVD High

AVLP

AVD Low Pulse Width

Data Setup Time

tDH

Data Hold Time

CESAV

CE Setup to AVD

CE or WE Low Pulse Width

tWPH

CE or WE High Pulse Width

WEAV

WE High Time to AVD Low

CEAV

CE High Time to AVD Low

tDS

tWEAV

tDH

tAAV

tAHAV

tAVLP

tWP

DATA VALID

I/O0-I/O15

A0 -A22

AVD

tDS

tDH

tAHAV

tAVLP

tWP

DATA VALID

I/O0-I/O15

A0 -A22

AVD

tCESAV

tCEAV

tAAV

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