AT49F040A(2003) 查看數據表（PDF） - Atmel Corporation

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AT49F040A
(Rev.:2003)

4-megabit (512K x 8) 5-volt Only Flash Memory

Atmel Corporation 

AC Byte Load Characteristics

Symbol

tAS, tOES

tAH

tCS

tCH

tWP

tDS

tDH, tOEH

tWPH

Parameter

Address, OE Set-up Time

Address Hold Time

Chip Select Set-up Time

Chip Select Hold Time

Write Pulse Width (WE or CE)

Data Set-up Time

Data, OE Hold Time

Write Pulse Width High

AC Byte Load Waveforms

WE Controlled

OE

tOES

ADDRESS

CE

tAS

WE

tCS

DATA IN

CE Controlled

OE

tOES

ADDRESS

tAS

WE

tCS

CE

DATA IN

Min

0

25

0

0

20

20

0

20

tOEH

tAH

tCH

tWP

tDS

tWPH

tDH

tOEH

tAH

tCH

tWP

tDS

tWPH

tDH

AT49F040A

Max

Units

ns

ns

ns

ns

ns

ns

ns

ns

9

3359A–FLASH–6/03

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