IC41C1665
IC41LV1665
AC CHARACTERISTICS(1,2,3,4,5,6)
(Recommended Operating Conditions unless otherwise noted.)
-25
-30
-35
-40
Symbol
Parameter
Min. Max.
Min. Max.
Min. Max.
Min. Max. Units
tRC
Random READ or WRITE Cycle Time
43
—
—
—
25
15
4
—
25
8
55
—
—
—
30
20
9
—
30
65
—
—
—
35
23
10
6
—
35
10
18
10K
—
10K
—
—
25
75
—
—
—
40
25
11
7
—
40
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(6, 7)
tRAC
tCAC
tAA
Access Time from RAS
(6, 8, 15)
Access Time from CAS
9
11
Access Time from Column-Address(6)
RAS Pulse Width
12
10k
—
10k
—
—
17
16
20
tRAS
tRP
10K
—
10K
—
—
21
10K
—
10K
—
—
29
RAS Precharge Time
tCAS
tCP
CAS Pulse Width(26)
CAS Precharge Time(9, 25)
CAS Hold Time (21)
4
5
tCSH
tRCD
tASR
tRAH
tASC
tCAH
tAR
21
10
0
30
10
0
35
10
0
40
10
0
RAS to CAS Delay Time(10, 20)
Row-Address Setup Time
Row-Address Hold Time
Column-Address Setup Time(20)
Column-Address Hold Time(20)
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5
5
5
5
0
0
0
0
5
5
5
5
Column-Address Hold Time
22
26
30
34
(referenced to RAS)
tRAD
tRAL
tRPC
tRSH
tCLZ
tCRP
tOD
RAS to Column-Address Delay Time(11)
Column-Address to RAS Lead Time
RAS to CAS Precharge Time
RAS Hold Time(27)
8
12
10
8
13
—
—
—
—
—
6
8
16
10
9
14
—
—
—
—
—
8
8
18
10
10
3
17
—
—
—
—
—
8
8
20
10
11
3
20
—
—
—
—
—
8
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CAS to Output in Low-Z(15, 29)
CAS to RAS Precharge Time(21)
Output Disable Time(19, 28, 29)
3
3
5
5
5
5
—
—
5
—
—
5
—
—
5
—
—
5
tOE
Output Enable Time(15, 16)
8
9
10
—
—
—
11
—
—
—
tOES
tRCS
tRRH
OE LOW to CAS HIGH Setup Time
Read Command Setup Time(17, 20)
—
—
—
—
—
—
0
0
0
0
Read Command Hold Time
0
0
0
0
(referenced to RAS)(12)
tRCH
Read Command Hold Time
0
—
0
—
0
—
0
—
ns
(referenced to CAS)(12, 17, 21)
tWCH
tWCR
Write Command Hold Time(17, 27)
5
—
—
5
—
—
5
—
—
5
—
—
ns
ns
Write Command Hold Time
22
26
30
34
(referenced to RAS)(17)
tWP
Write Command Pulse Width(17)
5
7
—
—
—
—
—
5
8
—
—
—
—
—
5
9
—
—
—
—
—
5
10
8
—
—
—
—
—
ns
ns
ns
ns
ns
tRWL
tCWL
tWCS
tDHR
Write Command to RAS Lead Time(17)
Write Command to CAS Lead Time(17, 21)
Write Command Setup Time(14, 17, 20)
Data-in Hold Time (referenced to RAS)
5
6
7
0
0
0
0
22
26
30
34
(Continued)
8
Integrated Circuit Solution Inc.
DR031-0A 10/17/2001
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
