T2316405A データシートの表示（PDF） - Taiwan Memory Technology
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T2316405A Datasheet PDF : 14 Pages
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T2316405A
Preliminary T2316407A
AC CHARACTERISTICS (continued)
AC CHARACTERISTICS
PARAMETER
-50
-60
-70
-1 0
SYM Min Max Min Max Min Max Min Max UNIT Notes
Output Buffer Turn-off to OE
tOFF2 0 12 0 15 0 20 0 25 ns 16
Write Command Setup Time
tWCS 0
0
0
0
ns 11,14
Write Command Hold Time
tWCH 8
10
13
15
ns
Write Command Hold Time (Reference
toRAS )
tWCR 21
24
27
40
ns 14
Write Command Pulse Width
tWP 8
10
10
15
ns 14
Write Command to RAS Lead Time
tRWL 10
10
13
25
ns 14
Write Command to CAS Lead Time
tCWL 8
10
13
25
ns 14
Data-in Setup Time
tDS 0
0
0
0
ns 12
Data-in Hold Time
tDH 8
10
13
20
ns 12
Data-in Hold Time (Reference to RAS )
tDHR 21
24
27
45
ns
RAS to WE Delay Time
tRWD 64
79
94
130
ns 11
Column Address to WE Delay Time
tAWD 39
49
59
80
ns 11
CAS to WE Delay Time
tCWD 26
34
44
55
ns 11
Transition Time (rise or fall)
tT
2 50 2 50 2 50 2 50 ns 2,3
Refresh Period (2048 cycles)
tREF 32
32
32
32 ms
RAS to CAS Precharge Time
tRPC 5
5
5
5
ns
CAS Setup Time (CBR REFRESH)
tCSR 5
10
10
10
ns 6
CAS Hold Time (CBR REFRESH)
tCHR 8
10
10
10
ns 6
OE Hold Time From WE During Read-
Modify-Write Cycle
tOEH 8
10
13
25
ns 15
OE Low to CAS High Setup Time
tOES 5
5
5
5
ns
OE High Hold Time From CAS High
tOEH 5
5
5
5
ns
C
OE High Pulse Width
tOEP 10
10
10
10
ns
OE Setup Prior to RAS During Hidden
Refresh Cycle
tORD 5
7
10
13
ns
Data Output Hold After CAS Returning Low tCOH 5
5
5
5
ns
Output Disable Delay From WE
tWHZ
10
15
20
25 ns
Taiwan Memory Technology, Inc. reserves the right P. 6
to change products or specifications without notice.
Publication Date: APR. 2001
Revision:0.B
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