U631H16 데이터 시트보기 (PDF) - Unspecified
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U631H16 Datasheet PDF : 12 Pages
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U631H16
Write Cycle #1: W-controlledj
12
tcW
Ai
Address Valid
21
E
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
17
tsu(E)
AAAAAAAAAAAAAAAAAAAAAAAAAAAAtAAAAh(AAAAA)AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
16
W
15
AAAAAAAAAAAAAAAAAAAAtAAAAsAAAAu(A
-WH) 13
tw(W)
tsu(A )
19
20
tsu(D)
th(D)
DQi
Input
DQi
Output
22
tdis(W)
Previous Data
Input Data
Valid
23
ten(W)
High Impedance
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Write Cycle #2: E-controlledj
Ai
15
tsu(A )
E
W
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
DQi
Input
DQi
Output
12
tcW
Address Valid
21
18
th(A)
tw(E)
14
tsu(W)
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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 transitions.
6
December 12, 1997
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