U635H16 데이터 시트보기 (PDF) - Zentrum Mikroelektronik Dresden AG
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U635H16 Datasheet PDF : 13 Pages
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U635H16
Write Cycle #1: W-controlledj
Ai
E
W
DQi
Input
DQi
Output
12
tcW
Address Valid
17
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
tsu(E)
21
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAthAAAA(AAAAA)AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
16
1AAAA5AAAAAAAAAAAAAAAAAAAAAAAA
tsu(A-WH) 13
tw(W)
tsu(A )
19
tsu(D)
20
th(D)
Input Data
Valid
22
tdis(W)
Previous Data
23
ten(W)
High Impedance
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Write Cycle #2: E-controlledj
Ai
15
tsu(A)
E
W
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
DQi
Input
DQi
Output
12
tcW
Address Valid
18
21
tw(E)
th(A)
14
tsu(W)
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
19
tsu(D)
20
th(D)
Input Data
Valid
High Impedance
undefined AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
L- to H-level AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
H- to L-level AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
i: If W is LOW and when E goes LOW, the outputs remain in the high impedance state.
j: E or W must be VIH during address transition.
98
December 12, 1997
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