A428316 Series
AC Characteristics
(VCC = 5.0V
±
10%, VSS = 0V, Ta = 0°C to +70°C or -40°C to +85°C)
Test Conditions:
Input timing reference level: V
IH
/V
IL
=2.4V/0.8V
Output reference level: V
OH
/V
OL
=2.0V/0.8V
Output Load: 2TTL gate + CL (50pF)
Assumed t
T
=2ns
Std
Symbol
t
T
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
t
RC
t
RP
t
RAS
t
CAS
t
RCD
t
RAD
t
RSH
t
CSH
t
CRP
t
ASR
t
RAH
t
CLZ
t
RAC
t
CAC
t
AA
t
OEA
t
AR
t
RCS
t
RCH
-25
Parameter
Min.
Transition Time (Rise and Fall)
Random Read or Write Cycle Time
RAS Precharge Time
RAS Pulse Width
CAS Pulse Width
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
CAS to Output in Low Z
Access Time from RAS
Access Time from CAS
Access Time from Column Address
OE Access Time
Column Address Hold Time from RAS
Read Command Setup Time
Read Command Hold Time
1
44
15
25
4
10
8
5
25
5
0
5
3
-
-
-
-
22
0
0
Max.
50
-
-
10K
10K
21
14
-
-
-
-
-
-
25
8
12
8
-
-
-
Min.
1
62
23
35
6
10
8
6
31
5
0
6
3
-
-
-
-
31
0
0
Max.
50
-
-
10K
10K
25
18
-
-
-
-
-
-
35
10
17
10
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
9
8
6,7
6, 13
7, 13
6
7
4, 5
-35
Unit
Notes
#
PRELIMINARY
(August, 2002, Version 0.3)
6
AMIC Technology, Inc.
AMICC [ AMIC TECHNOLOGY ]
