LG Semicon
Capacitance
(V
CC
= 5V+/-10%, T
A
= 25C)
Symbol
C
I1
C
I2
C
I/O
¤
GM71C4403C
Parameter
Input Capacitance (Address)
Input Capacitance (Clocks)
Data Input/Output Capacitance (Data-In/Out)
Min
-
-
-
Max
5
7
7
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 level : V
IL
=0V, V
IH
=3.0V
Input rise and fall times: 2ns
Input timing reference levels: V
IL
=0.8V, V
IH
=2.4V
Output timing reference levels: V
OL
=0.8V, V
OH
=2.0V
Output load : 1 TTL gate + C
L
(100§Ü)
(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
GM71C4403
C-60
GM71C4403
C-70
GM71C4403
C-80
Min Max Min Max Min Max
104
40
-
-
124
50
-
-
144
60
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
Note
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
60
10,000
70
10,000
10
10,000
0
10
0
10
20
15
15
48
10
15
0
0
2
-
-
-
-
-
45
30
-
-
-
-
-
-
50
16
13
10,000
0
10
0
13
20
15
18
58
10
18
0
0
2
-
-
-
-
-
52
35
-
-
-
-
-
-
50
16
80
10,000
15
10,000
0
10
0
15
20
15
20
68
10
20
0
0
2
-
-
-
-
-
60
40
-
-
-
-
-
-
50
16
19
20
8
9
22
7
4
LG [ LG SEMICON CO.,LTD. ]
