GM71V64803C
GM71VS64803CL
Capacitance (VCC = 3.3V+/-10%, TA = 25C)
Symbol
CI1
Parameter
Typ
Max
Unit
pF
Note
1
-
Input Capacitance (Address)
Input Capacitance (Clocks)
5
7
7
CI2
-
-
pF
1
CI/O
Output Capacitance (Data-in,Data-Out)
pF
1, 2
Note: 1. Capacitance measured with Boonton Meter or effective capacitance measuring method.
2. RAS, CAS = VIH to disable DOUT.
AC Characteristics (VCC = 3.3V+/-10%, TA = 0 ~ 70C, Notes 1, 2,19)
Test Conditions
Input rise and fall times : 2ns
Input level : VIL/VIH = 0.0/3.0V
Input timing reference levels : VIL/VIH = 0.8/2.0V
Output timing reference levels : VOL/VOH = 0.8/2.0V
Output load : 1 TTL gate+CL (100pF)
(Including scope and jig)
Read, Write, Read-Modify-Write and Refresh Cycles (Common Parameters)
GM71V(S)64803C/CL-5 GM71V(S)64803C/CL-6
Symbol
Parameter
Notes
Unit
Min
84
Min
Max
Max
104
-
-
ns
ns
ns
ns
ns
ns
ns
ns
t
t
RC
RP
Random Read or Write Cycle Time
RAS Precharge Time
30
40
-
-
8
-
10000
10000
-
10
60
10
0
-
CAS Precharge Time
t
CP
50
10000
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RAS
CAS
ASR
RAH
ASC
CAH
RCD
RAD
RSH
CSH
CRP
RAS Pulse Width
10000
8
0
CAS Pulse Width
-
-
Row Address Set-up Time
Row Address Hold Time
Column Address Set-up Time
Column Address Hold Time
RAS to CAS Delay Time
RAS to Column Address Delay Time
RAS Hold Time
10
8
-
-
0
0
-
10
8
-
-
ns
ns
3
4
14
12
15
12
10
13
35
5
37
25
-
45
30
-
ns
ns
ns
ns
40
5
-
-
-
CAS Hold Time
-
CAS to RAS Precharge Time
OE to DIN Delay Time
OE Delay Time from DIN
15
13
0
-
-
-
-
ns
ns
ns
ODD
DZO
DZC
5
0
0
-
6
6
7
-
0
CAS Delay Time from DIN
TransitionTime (Rise and Fall)
Refresh Period
50
t
T
2
-
2
-
50
64
ns
ms
ms
8192
cycles
8192
t
REF
64
-
-
Refresh Period ( L-Version )
128
128
cycles
Rev 0.1 / Apr’01