IC41C4405x and IC41LV4405x Series
AC CHARACTERISTICS(1,2,3,4,5,6)
(Recommended Operating Conditions unless otherwise noted.)
-50
-60
Symbol
Parameter
Min. Max.
Min. Max.
Units
tRC
Random READ or WRITE Cycle Time
84
−
50
13
25
10K
−
104
−
60
15
30
10K
−
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(6, 7)
tRAC
tCAC
tAA
Access Time from RAS
−
−
−
50
30
8
−
−
−
60
40
10
9
(6, 8, 15)
Access Time from CAS
Access Time from Column-Address(6)
RAS Pulse Width
tRAS
tRP
RAS Precharge Time
tCAS
tCP
CAS Pulse Width(23)
10K
10K
CAS Precharge Time(9)
CAS Hold Time (21)
9
−
−
37
−
−
45
tCSH
tRCD
tASR
tRAH
tASC
tCAH
tAR
38
12
0
40
14
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)
−
−
−
−
−
−
−
−
8
10
0
0
8
10
40
Column-Address Hold Time
(referenced to RAS)
30
−
−
tRAD
tRAL
tRPC
tRSH
tRHCP
tCLZ
tCRP
tOD
RAS to Column-Address Delay Time(11)
Column-Address to RAS Lead Time
RAS to CAS Precharge Time
RAS Hold Time
10
25
5
25
−
−
−
−
−
−
15
12
−
12
30
5
30
−
−
−
−
−
−
15
15
−
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
8
10
35
0
RAS Hold Time from CAS Precharge
CAS to Output in Low-Z(15, 24)
CAS to RAS Precharge Time(21)
Output Disable Time(19, 24)
30
0
5
5
3
3
tOE
Output Enable Time(15, 16)
−
12
−
15
tOED
tOEHC
tOEP
tOES
tRCS
tRRH
Output Enable Data Delay (Write)
OE HIGH Hold Time from CAS HIGH
OE HIGH Pulse Width
5
−
−
−
−
5
−
−
−
−
10
5
10
5
OE LOW to CAS HIGH Setup Time
Read Command Setup Time(17, 20)
0
0
Read Command Hold Time
0
−
0
−
(referenced to RAS)(12)
tRCH
Read Command Hold Time
0
−
0
−
ns
(referenced to CAS)(12, 17, 21)
tWCH
tWCR
Write Command Hold Time(17)
8
−
−
10
50
−
−
ns
ns
Write Command Hold Time
40
(referenced to RAS)(17)
tWP
Write Command Pulse Width(17)
8
7
−
−
−
−
−
−
10
7
−
−
−
−
−
−
ns
ns
ns
ns
ns
ns
tWPZ
tRWL
tCWL
tWCS
tDHR
WE Pulse Widths to Disable Outputs
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)
13
8
15
10
0
0
39
39
Integrated Circuit Solution Inc.
DR013-0B 10/17/2002
7
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
