A416316B Series
AC Characteristics
(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.
1
2
tRC
tRP
Random Read or Write Cycle Time
RAS Precharge Time
65
25
-
-
70
25
-
-
75
25
-
-
ns
ns
3
4
5
6
7
8
9
tRAS
tCAS
tRCD
tRAD
tRSH
tCSH
tCRP
30
12
15
10
10
30
5
75K
35
12
16
11
10
35
5
75K
40
12
17
12
10
40
5
75K
ns
ns
ns
ns
ns
ns
ns
RAS Pulse Width
-
20
14
-
-
24
17
-
-
28
20
-
CAS Pulse Width
6
7
RAS to CAS Delay Time
RAS to Column Address Delay Time
CAS to RAS Hold Time
CAS Hold Time
-
-
-
-
-
-
CAS to RAS Precharge Time
Row Address Setup Time
Row Address Hold Time
Transition Time (Rise and Fall)
Refresh Period
10
11
tASR
tRAH
tT
0
5
2
-
-
-
0
6
2
-
-
-
0
7
2
-
-
-
ns
ns
ns
ms
ns
50
4
50
4
52
4
-
4, 5
3
tREF
tCLZ
12
13
14
0
-
0
-
0
8
CAS to Output in Low Z
Access Time from RAS
tRAC
tCAC
-
-
30
10
-
-
35
11
-
-
40
12
ns
ns
6,7
6, 13
7, 13
Access Time from CAS
15
16
tAA
tAR
Access Time from Column Address
-
16
-
-
18
-
-
20
-
ns
ns
26
28
30
Column Address Hold Time from RAS
Read Command Setup Time
17
tRCS
0
-
0
-
0
-
ns
PRELIMINARY (November, 2000, Version 0.0)
6
AMIC Technology, Inc.
AMICC [ AMIC TECHNOLOGY ]
