GM71C17800C
GM71CS17800CL
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
GM71C(S)17800 GM71C(S)17800 GM71C(S)17800
C/CL-5
C/CL-6
C/CL-7
Unit
ns
ns
ns
ns
ns
Note
Min Max Min Max Min Max
t
RWC
t
RWD
t
CWD
t
AWD
t
OEH
131
73
36
48
13
-
-
-
-
-
155
85
40
55
15
-
-
-
-
-
181
98
46
63
18
-
-
-
-
-
14
14
14
Refresh Cycle
Symbol
Parameter
CAS Setup Time
(CAS-before-RAS Refresh Cycle)
CAS Hold Time
(CAS-before-RAS Refresh Cycle)
WE Setup Time
(CAS-before-RAS Refresh Cycle)
WE Hold Time
(CAS-before-RAS Refresh Cycle)
RAS Precharge to CAS Hold Time
GM71C(S)17800 GM71C(S)17800 GM71C(S)17800
C/CL-5
C/CL-6
C/CL-7
Unit
Note
Min Max Min Max Min Max
t
CSR
t
CHR
t
WRP
t
WRH
t
RPC
5
10
0
7
5
-
-
-
-
-
5
10
0
10
5
-
-
-
-
-
5
10
0
10
5
-
-
-
-
-
ns
ns
ns
ns
ns
Fast Page Mode Cycle
Symbol
Parameter
Fast Page Mode Cycle Time
Fast Page Mode RAS Pulse Width
Access Time from CAS Precharge
RAS Hold Time from CAS Precharge
GM71C(S)17800 GM71C(S)17800 GM71C(S)17800
C/CL-5
C/CL-6
C/CL-7
Unit
ns
ns
ns
ns
Note
Min Max Min Max Min Max
t
PC
t
RASP
t
ACP
t
RHCP
35
-
-
30
-
100,000
40
-
-
35
-
100,000
45
-
-
40
-
100,000
16
9,17
30
-
35
-
40
-
Rev 0.1 / Apr’01