LG Semicon
GM71C(S)4400C/CL
GM71C(S)4400 GM71C(S)4400 GM71C(S)4400
C/CL-60
C/CL-70
C/CL-80
Read- Modify-Write Cycle
Symbol
Parameter
Read-Modify-Write Cycle Time
RAS to WE Delay Time
CAS to WE Delay Time
Column Address to WE Delay Time
OE Hold Time from WE
Unit
ns
ns
ns
ns
ns
Note
Min Max Min Max Min Max
150
80
35
50
15
-
-
-
-
-
180
95
45
60
20
-
-
-
-
-
200
105
45
65
20
-
-
-
-
-
t
RWC
t
RWD
t
CWD
t
AWD
t
OEH
10
10
10
Refresh Cycle
Symbol
Parameter
CAS Set-up Time
(CAS-before-RAS Refresh Cycle)
CAS Hold Time
(CAS-before-RAS Refresh Cycle)
RAS Precharge to CAS Hold Time
CAS Precharge Time in Normal Mode
GM71C(S)4400 GM71C(S)4400 GM71C(S)4400
C/CL-60
C/CL-70
C/CL-80
Min Max Min Max Min Max
10
10
10
10
-
-
-
-
10
10
10
10
-
-
-
-
10
10
10
10
-
-
-
-
Unit
Note
t
CSR
t
CHR
t
RPC
t
CPN
ns
ns
ns
ns
Fast Page Mode Cycle
Symbol
Parameter
Fast Page Mode Cycle Time
Fast Page Mode CAS Precharge Time
Fast Page Mode RAS Pulse Width
Access Time from CAS Precharge
RAS Hold Time from CAS Precharge
Fast Page Mode Read-Modify-Write Cycle
CAS Precharge to WE Delay Time
Fast Page Mode Read-Modify-Write Cycle
Time
GM71C(S)4400 GM71C(S)4400 GM71C(S)4400
C/CL-60
C/CL-70
C/CL-80
Unit
ns
ns
ns
ns
ns
ns
Note
Min Max Min Max Min Max
40
10
-
-
35
55
-
-
100,000
t
PC
t
CP
t
RASP
t
ACP
t
RHCP
t
CPW
t
PRWC
45
10
-
-
40
65
-
-
100,000
50
10
-
-
45
70
-
-
100,000
12
3,13,17
35
-
-
40
-
-
45
-
-
80
-
95
-
100
-
ns
10
6
LG [ LG SEMICON CO.,LTD. ]
