A42U2604 Series
AC Characteristics
(VCC = 2.5V
±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
=1.8V/0.8V
Output reference level: V
OH
/V
OL
=1.6V/0.8V
Output Load: 1TTL gate + CL (100pF)
Assumed t
T
=2ns
Std
Symbol
-50
Parameter
Min.
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
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
-60
Min.
1
100
36
60
10
13
11
10
41
5
0
10
3
-
-
-
-
55
0
0
Max.
50
-
-
10K
10K
45
33
-
-
-
-
-
-
60
15
27
15
-
-
-
Min.
1
132
48
80
14
17
15
14
49
5
0
14
3
-
-
-
-
74
0
0
-80
Unit
Notes
Max.
50
-
-
10K
10K
60
43
-
-
-
-
-
-
80
20
37
20
-
-
-
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, 12
7, 12
6
7
4, 5
#
Max.
50
-
-
10K
10K
37
28
-
-
-
-
-
-
50
13
22
13
-
-
-
1
84
30
50
8
11
9
8
37
5
0
8
3
-
-
-
-
45
0
0
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
Access Time from OE
Column Address Hold Time from
RAS
Read Command Setup Time
Read Command Hold Time
PRELIMINARY
(June, 2002, Version 0.3)
6
AMIC Technology, Inc.
AMICC [ AMIC TECHNOLOGY ]
