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