LG Semicon
AC Characteristics (Ta = 0 to 70C, VCC, VCCQ = 3.3 V +/- 0.3 V, VSS, VSSQ = 0 V)
GM72V66841CT/CLT
- 7K
- 7J
- 8
- 10K
Parameter
Symbol
Unit Notes
Min Max Min Max Min Max Min Max
(CL=2)
(CL=3)
10
10
3
-
-
15
10
3
-
-
12
8
3
3
-
-
-
15
10
3
-
-
t
CK
CK
System clock
cycle time
ns
1
t
CLK high pulse width
CLK low pulse width
-
-
-
-
ns
ns
1
1
tCKH
3
-
3
-
-
3
-
tCKL
(CL=2)
-
6
6
-
-
8
6
-
8
6
-
-
9
8
-
tAC
Access time
from CLK
ns
ns
1, 2
1, 2
(CL=3)
-
-
-
-
tAC
Data-out hold time
3
3
3
3
tOH
CLK to Data-out low
impedance
CLK to Data-out
high impedance
( CL = 2,3 )
2
-
-
2
-
-
2
-
-
2
-
-
ns 1, 2, 3
t
LZ
6
6
6
7
ns
1, 4
tHZ
Data-in setup time
Data-in hold time
Address setup time
Address hold time
CKE setup time
2
1
2
1
2
-
-
-
-
-
2
1
2
1
2
-
-
-
-
-
2
1
2
1
2
-
-
-
-
-
2
1
2
1
2
-
-
-
-
-
ns
ns
ns
ns
ns
1
1
t
DS
DH
AS
AH
CES
t
1
t
1
t
1, 5
t
CKE setup time for
power down exit
2
1
-
-
2
1
-
-
2
1
-
-
2
1
-
-
ns
ns
1
1
t
CESP
CKE hold time
t
CEH
Command (CS, RAS,
CAS, WE, DQM)
setup time
2
-
2
-
2
-
2
-
ns
1
1
t
CS
Command (CS, RAS,
CAS, WE, DQM)
hold time
1
-
-
1
-
-
1
-
-
1
-
-
ns
ns
tCH
Ref/Active to Ref/Active
command period
Active to Precharge
command period
Active command to
column command
(same bank)
70
70
72
90
1
1
tRC
50 120000 50 120000 48 120000 60 120000 ns
tRAS
20
20
-
-
20
20
-
-
24
24
-
-
30
30
-
-
ns
ns
1
1
tRCD
Precharge to active
command period
tRP
40
LG [ LG SEMICON CO.,LTD. ]
