U62H256ASK35LL Просмотр технического описания (PDF) - Zentrum Mikroelektronik Dresden AG
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U62H256ASK35LL Datasheet PDF : 10 Pages
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U62H256A
Switching Characteristics
Read Cycle
Read Cycle Time
Address Access Time to Data Valid
Chip Enable Access Time to Data Valid
G LOW to Data Valid
E HIGH to Output in High-Z
G HIGH to Output in High-Z
E LOW to Output in Low-Z
G LOW to Output in Low-Z
Output Hold Time from Address Change
E LOW to Power-Up Time
E HIGH to Power-Down Time
Symbol
Alt.
tRC
tAA
tACE
tOE
tHZCE
tHZOE
tLZCE
tLZOE
tOH
tPU
tPD
IEC
tcR
ta(A)
ta(E)
ta(G)
tdis(E)
tdis(G)
ten(E)
ten(G)
tv(A)
35
Min.
Max.
35
35
35
15
15
12
3
0
3
0
35
55
Min.
Max.
55
55
55
25
20
15
3
0
3
0
55
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Switching Characteristics
Write Cycle
Write Cycle Time
Write Pulse Width
Write Setup Time
Address Setup Time
Address Valid to End of Write
Chip Enable Setup Time
Pulse Width Chip Enable to End of Write
Data Setup Time
Data Hold Time
Address Hold from End of Write
W LOW to Output in High-Z
G HIGH to Output in High-Z
W HIGH to Output in Low-Z
G LOW to Output in Low-Z
Symbol
Alt.
tWC
tWP
tWP
tAS
tAW
tCW
tCW
tDS
tDH
tAH
tHZWE
tHZOE
tLZWE
tLZOE
IEC
tcW
tw(W)
tsu(W)
tsu(A)
tsu(A-WH)
tsu(E)
tw(E)
tsu(D)
th(D)
th(A)
tdis(W)
tdis(G)
ten(W)
ten(G)
35
Min.
Max.
35
20
20
0
25
25
25
15
0
0
15
12
0
0
55
Min.
Max.
55
35
35
0
40
40
40
25
0
0
20
15
0
0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
April 20, 2004
5
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