GM71C18160C
GM71CS18160CL
R ead- Modify-W r ite Cycle
GM71C(S)18160 GM71C(S)18160 GM71C(S)18160
C/CL-5 C/CL-6 C/CL-7
Unit
Note
Symbol
Parameter
Min Max Min Max Min Max
t
R W C
Read-Modify-Write Cycle Time
RAS to WE Delay Time
131
73
-
-
-
-
-
155
85
-
-
-
-
-
181
98
-
-
-
-
-
ns
ns
ns
ns
ns
tR W D
14
14
14
tC W D
CAS to WE Delay Time
36
40
46
tAWD
Column Address to WE Delay Time
OE Hold Time from WE
48
55
63
tOEH
13
15
18
R efresh Cycle
GM71C(S)18160 GM71C(S)18160 GM71C(S)18160
C/CL-5 C/CL-6 C/CL-7
Unit
Note
Symbol
Parameter
Min Max Min Max Min Max
tC S R
CAS Setup Time
21
5
-
5
-
5
-
ns
(CAS-before-RAS Refresh Cycle)
t
CHR
CAS Hold Time
22
21
7
5
-
-
10
5
-
-
10
5
-
-
ns
ns
(CAS-before-RAS Refresh Cycle)
R A S Precharge to CAS Hold Time
tRPC
F a st Page Mode Cycle
GM71C(S)18160 GM71C(S)18160 GM71C(S)18160
C/CL-5 C/CL-6 C/CL-7
Unit
Note
Symbol
Parameter
Min Max Min Max Min Max
35
-
-
40
-
-
45
-
-
ns
ns
ns
ns
t
PC
Fast Page Mode Cycle Time
100,000
100,000
100,000
Fast Page Mode RAS Pulse Width
16
tR A S P
Access Time from CAS Precharge
RAS Hold Time from CAS Precharge
-
30
-
-
35
-
-
40
-
9,17,22
tACP
30
35
40
tRHCP
F a st Page Mode Read-Modify-W r ite Cycle
GM71C(S)18160 GM71C(S)18160 GM71C(S)18160
C/CL-5 C/CL-6 C/CL-7
Unit
Note
Symbol
Parameter
Min Max Min Max Min Max
t
PRWC
Fast Page Mode Read-Modify-Write
Cycle Time
76
53
-
-
85
60
-
-
96
68
-
-
ns
ns
tCPW
WE Delay Time from CAS Precharge
14,22
Rev 0.1 / Apr’01