ic41c1625 Integrated Silicon Solution, Inc., ic41c1625 Datasheet - Page 8

• Manufacturer Part Number: ic41c1625
• Description: 256k 4-mbit Dynamic With Fast Page Mode
• Manufacturer: Integrated Silicon Solution, Inc.

IC41C16257/IC41C16257S
IC41LV16257/IC41LV16257S
AC CHARACTERISTICS
(Recommended Operating Conditions unless otherwise noted.)
8
Symbol
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AA
RAS
RP
CAS
CP
ASR
ASC
AR
RAL
RC
RAC
CAC
CSH
RCD
RAH
CAH
RAD
RPC
RSH
CLZ
CRP
OD
OE
OES
RCS
RRH
RCH
WCH
WCR
WP
RWL
CWL
WCS
DHR
Parameter
Random READ or WRITE Cycle Time
Access Time from RAS
Access Time from CAS
Access Time from Column-Address
RAS Pulse Width
RAS Precharge Time
CAS Pulse Width
CAS Precharge Time
CAS Hold Time
RAS to CAS Delay Time
Row-Address Setup Time
Row-Address Hold Time
Column-Address Setup Time
Column-Address Hold Time
Column-Address Hold Time
(referenced to RAS)
RAS to Column-Address Delay Time
Column-Address to RAS Lead Time
RAS to CAS Precharge Time
RAS Hold Time
CAS to Output in Low-Z
CAS to RAS Precharge Time
Output Disable Time
Output Enable Time
OE LOW to CAS HIGH Setup Time
Read Command Setup Time
Read Command Hold Time
(referenced to RAS)
Read Command Hold Time
(referenced to CAS)
Write Command Hold Time
Write Command Hold Time
(referenced to RAS)
Write Command Pulse Width
Write Command to RAS Lead Time
Write Command to CAS Lead Time
Write Command Setup Time
Data-in Hold Time (referenced to RAS)
(27)
(21)
(26)
(15, 16)
(19, 28, 29)
(12)
(12, 17, 21)
(17)
(9, 25)
(6, 7)
(6, 8, 15)
(15, 29)
(10, 20)
(1,2,3,4,5,6)
(20)
(17, 27)
(20)
(21)
(14, 17, 20)
(17, 20)
(17)
(6)
(17)
(17, 21)
(11)
Min. Max.
—
—
—
—
60
35
20
35
11
30
12
18
30
30
6
5
0
6
0
6
0
8
3
5
3
5
0
0
0
5
5
8
8
0
-35
10K
10K
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
35
10
18
28
20
15
10
Min. Max.
90
—
—
—
—
50
30
50
19
40
14
25
14
40
14
14
40
0
8
8
0
8
0
8
3
5
3
5
0
0
0
8
8
0
-50
10K
10K
50
14
25
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
36
25
15
15
Min. Max.
110
—
—
—
—
60
40
10
10
60
20
10
10
40
15
30
15
10
50
10
15
15
45
0
0
0
3
5
3
5
0
0
0
0
-60
10K
10K
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
60
15
30
45
30
15
15
(Continued)
Integrated Circuit Solution Inc.
Units
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DR021-0A 08/11/2001