U631H16 데이터 시트보기 (PDF) - Zentrum Mikroelektronik Dresden AG
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U631H16 Datasheet PDF : 12 Pages
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Read Cycle 1: Ai-controlled (during Read cycle: E = G = VIL, W = VIH)f
Ai
DQi
Output
tcR (1)
Address Valid
ta(A) (2)
Previous Data Valid
tv(A) (9)
Output Data Valid
U631H16
Read Cycle 2: G-, E-controlled (during Read cycle: W = VIH)g
Ai
E
G
DQi
Output
ICC
tcR (1)
Address Valid
ta(A) (2)
ta(E) (3)
ten(E) (7)
ta(G) (4)
High Impedance
ACTIVE
STANDBY
ten(G) (8)
tPU (10)
tPD (11)
tdis(E) (5)
tdis(G) (6)
Output Data Valid
No.
Switching Characteristics
Write Cycle
12 Write Cycle Time
13 Write Pulse Width
14 Write Pulse Width Setup Time
15 Address Setup Time
16 Address Valid to End of Write
17 Chip Enable Setup Time
18 Chip Enable to End of Write
19 Data Setup Time to End of Write
20 Data Hold Time after End of Write
21 Address Hold after End of Write
22 W LOW to Output in High-Zh, i
23 W HIGH to Output in Low-Z
Symbol
25
35
45
Unit
Alt. #1 Alt. #2 IEC Min. Max. Min. Max. Min. Max.
tAVAV
tAVAV
tcW 25
35
45
ns
tWLWH
tw(W) 20
30
35
ns
tWLEH tsu(W) 20
30
35
ns
tAVWL
tAVEL
tsu(A)
0
0
0
ns
tAVWH tAVEH tsu(A-WH) 20
30
35
ns
tELWH
tsu(E) 20
30
35
ns
tELEH
tw(E) 20
30
35
ns
tDVWH tDVEH tsu(D) 12
18
20
ns
tWHDX tEHDX
th(D)
0
0
0
ns
tWHAX tEHAX
th(A)
0
0
0
ns
tWLQZ
tdis(W)
10
13
15 ns
tWHQX
ten(W) 5
5
5
ns
August 13, 2003
5
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