A416316B Series
AC Characteristics (continued)
(VCC = 5V ± 10%, VSS = 0V, Ta = 0°C to +70°C)
Std
-30
-35
-40
#
Symbol
Parameter
Unit Notes
Min. Max. Min. Max. Min. Max.
38
39
tCWD
tAWD
26
-
28
-
30
-
ns
ns
11
11
CAS to WE Delay Time
(Read-Modify-Write)
Column Address to WE Delay Time
(Read-Modify-Write)
32
-
35
-
35
-
40
41
tRASS
tCPN
300
10
-
300
10
-
300
10
-
ms
RAS Pulse Width (Self Refresh Mode)
100K
100K
100K
ns
CAS Precharge Time
( CAS before RAS )
42
43
tPC
Read or Write Cycle Time (Fast Page)
19
-
-
21
-
-
23
-
-
ns
ns
14
13
tCPA
19
21
23
Access Time from CAS Precharge
(Fast Page)
44
tCP
3
-
4
-
5
-
ns
CAS Precharge Time (Fast Page)
Fast Page Mode RMW Cycle Time
45
46
tPRM
tCRW
56
-
-
58
-
-
60
-
-
ns
ns
44
46
48
Fast Page Mode CAS Pulse Width
(RMW)
47
48
49
50
tRASP
tCSR
tCHR
tRPC
30
0
75K
35
0
75K
40
0
75K
ns
ns
ns
ns
RAS Pulse Width (Fast Page)
-
-
-
-
-
-
-
-
-
3
3
CAS Setup Time ( CAS -before-RAS )
CAS Hold Time ( CAS -before-RAS )
7
8
8
0
0
0
RAS to CAS Precharge Time
( CAS -before-RAS )
51
52
53
54
tROH
tOEA
tOED
tOEZ
6
-
-
10
-
7
-
-
11
-
8
-
-
12
-
ns
ns
ns
ns
RAS Hold Time Reference to OE
OE Access Time
5
0
5
0
5
0
OE to Data Delay
5
6
6
8
Output Buffer Turn-off Delay from OE
PRELIMINARY (November, 2000, Version 0.0)
8
AMIC Technology, Inc.