AS7C1026(2000) 데이터 시트보기 (PDF) - Alliance Semiconductor
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AS7C1026 Datasheet PDF : 10 Pages
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AS7C1026
AS7C31026
®
Write cycle (over the operating range)
-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
Shaded areas indicate preliminary information.
tWC 10 – 12 – 15 – 20 – ns
tCW 8 – 8 – 12 – 13 – ns
tAW 8 – 9 – 10 – 12 – ns
tAS 0 – 0 – 0 – 0 – ns
tWP 8 – 8 – 10 – 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 – 8 – 9 – 12 – ns
Write waveform 1 (WE controlled)
tWC
Address
tCW
tWR
CE
tBW
LB, UB
tAS
tAW
tWP
WE
DataIN
DataOUT
tWZ
Data undefined
tDW
tDH
Data valid
tOW
high Z
Write waveform 2 (CE controlled)
Address
tAS
CE
LB, UB
WE
tWC
tCW
tAW
tBW
tWP
tDW
tWR
tDH
DataIN
DataOUT
tCLZ
high Z
tWZ
Data undefined
Data valid
tOW
high Z
Notes
5
4, 5
4, 5
DID 11-20011-A. 5/22/00
ALLIANCE SEMICONDUCTOR
5
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