GM71C(S)4400C/CL
LG Semicon
Capacitance (VCC = 5V+/-10%, TA = 25C)
Symbol
CI1
Parameter
Min
Max
5
Unit
§Ü
Note
1
Input Capacitance (Address)
-
-
-
§Ü
CI2
Input Capacitance (Clocks)
7
1
§Ü
CI/O
Data Input, Output Capacitance (Data-In, Out)
10
1, 2
Note: 1. Capacitance measured with Boonton Meter or effective capacitance measuring method.
2. CAS = VIH to disable DOUT
.
AC Characteristics (VCC = 5V+/-10%, TA = 0 ~ 70C, Notes 1, 14, 15, 16)
Test Conditions
§Ü
)
Input rise and fall times: 5ns
Output load : 2 TTL gate + C
L
(100
Input, output timing reference levels: 0.8V, 2.4V
(Including scope and jig)
Read, Write, Read-Modify-Write and Refresh Cycles (Common Parameters)
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
t
t
t
t
t
t
t
t
t
t
t
RC
Random Read or Write Cycle Time
RAS Precharge Time
110
40
-
-
130
50
-
-
150
60
-
-
ns
ns
ns
ns
ns
ns
ns
ns
RP
RAS
CAS
ASR
RAH
ASC
CAH
RCD
RAD
RSH
CSH
CRP
ODD
DZO
DZC
T
RAS Pulse Width
60 10,000
15 10,000
70 10,000
20 10,000
80 10,000
20 10,000
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
0
10
0
-
-
-
-
0
10
0
-
-
-
-
0
10
0
-
-
-
-
15
15
15
20 45
15 30
20 50
15 35
20 60
15 40
ns
ns
ns
ns
ns
ns
ns
ns
8
9
15
60
10
15
0
-
-
-
-
-
-
20
70
10
20
0
-
-
-
-
-
-
20
80
10
20
0
-
-
-
-
-
-
CAS Hold Time
CAS to RAS Precharge Time
OE to DIN Delay Time
OE Delay Time from DIN
CAS Set-up Time from DIN
0
0
0
Transition Time
(Rise and Fall)
3
50
3
50
3
50
ns
7
Refresh Period
-
-
16
-
-
16
-
-
16
ms
ms
t
REF
Refresh Period (L-version)
128
128
128
4
LG [ LG SEMICON CO.,LTD. ]
