AS7C1026A-JC Просмотр технического описания (PDF) - Alliance Semiconductor
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AS7C1026A-JC Datasheet PDF : 9 Pages
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AS7C1026A
AS7C31026A
®
Write cycle (over the operating range) 11
-10
-12
-15
-20
Parameter
Symbol Min Max Min Max Min Max Min Max Unit
Write cycle time
Chip enable (CE) to write end
Address setup to write end
Address setup time
Write pulse width
Address hold from end of write
Data valid to write end
Data hold time
Write enable to output in high Z
Output active from write end
Byte select low to end of write
tWC 10 – 12 – 15 – 20 – ns
tCW 8 – 10 – 12 – 12 – ns
tAW 8 – 9 – 10 – 12 – ns
tAS 0 – 0 – 0 – 0 – ns
tWP 7 – 8 – 9 – 12 – ns
tAH 0 – 0 – 0 – 0 – ns
tDW 5 – 6 – 8 – 10 – ns
tDH 0 – 0 – 0 – 0 – ns
tWZ – 6 – 6 – 6 – 8 ns
tOW 1 – 1 – 1 – 2 – ns
tBW 8 – 10 – 12 – 12 – ns
Write waveform 1 (WE controlled)10,11
tWC
Address
tCW
tWR
CE
tBW
LB, UB
tAS
tAW
tWP
WE
DataIN
tWZ
DataOUT
Data undefined
Write waveform 2 (CE controlled)10,11
Address
tAS
CE
LB, UB
tWC
tCW
tAW
tBW
WE
tDW
Data valid
tDH
tOW
high Z
tWR
tWP
tDW
tDH
DataIN
DataOUT
tCLZ
high Z
tWZ
Data undefined
Data valid
tOW
high Z
Notes
5
4, 5
4, 5
2/6/01; V.0.9
Alliance Semiconductor
P. 5 of 9
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