LG Semicon
GM71C(S)4400C/CL
Parameter
Input Capacitance (Address)
Input Capacitance (Clocks)
Data Input, Output Capacitance (Data-In, Out)
Capacitance
(V
CC
= 5V+/-10%, T
A
= 25C)
Symbol
C
I1
C
I2
C
I/O
Min
-
-
-
Max
5
7
10
Unit
§Ü
§Ü
§Ü
Note
1
1
1, 2
Note: 1. Capacitance measured with Boonton Meter or effective capacitance measuring method.
2. CAS = V
IH
to disable D
OUT
.
AC Characteristics
(V
CC
= 5V+/-10%, T
A
= 0 ~ 70C, Notes 1, 14, 15, 16)
Test Conditions
Input rise and fall times: 5ns
Output load : 2 TTL gate + C
L
(100§Ü)
Input, output timing reference levels: 0.8V, 2.4V
(Including scope and jig)
Read, Write, Read-Modify-Write and Refresh Cycles
(Common Parameters)
Symbol
Parameter
Random Read or Write Cycle Time
RAS Precharge Time
RAS Pulse Width
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
CAS Hold Time
CAS to RAS Precharge Time
OE to D
IN
Delay Time
OE Delay Time from D
IN
CAS Set-up Time from D
IN
Transition Time
(Rise and Fall)
Refresh Period
Refresh Period (L-version)
-
-
GM71C(S)4400 GM71C(S)4400 GM71C(S)4400
C/CL-60
C/CL-70
C/CL-80
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ms
Note
Min Max Min Max Min Max
110
40
60
15
0
10
0
15
20
15
15
60
10
15
0
0
3
-
-
10,000
10,000
t
RC
t
RP
t
RAS
t
CAS
t
ASR
t
RAH
t
ASC
t
CAH
t
RCD
t
RAD
t
RSH
t
CSH
t
CRP
t
ODD
t
DZO
t
DZC
t
T
t
REF
130
50
70
20
0
10
0
15
20
15
20
70
10
20
0
0
3
-
-
-
-
10,000
10,000
150
60
80
20
0
10
0
15
20
15
20
80
10
20
0
0
3
-
-
-
-
10,000
10,000
-
-
-
-
45
30
-
-
-
-
-
-
50
16
128
-
-
-
-
50
35
-
-
-
-
-
-
50
16
128
-
-
-
-
60
40
-
-
-
-
-
-
50
16
128
8
9
7
4
LG [ LG SEMICON CO.,LTD. ]
