IC42S81600/IC42S81600L
IC42S16800/IC42S16800L
AC ELECTRICAL CHARACTERISTICS
(At V
DD
= V
DDQ
= 3.3 ± 0.3V, V
SS
= V
SSQ
= 0V , unless otherwise noted)
-6
Symbol
t
CK
3
t
CK
2
t
AC
3
t
AC
2
t
CH
t
CL
t
CKE
t
CKH
t
AS
t
AH
t
CMS
t
CMH
t
DS
t
DH
t
OH
3
t
OH
2
t
LZ
t
HZ
t
RC
t
RAS
t
RCD
t
RP
t
RRD
t
T
t
RSC
t
PDE
t
SRX
t
DPL
t
DAL
t
REF
Parameter
CLK Cycle Time
CL= 3
CL= 2
CL= 3
CL= 2
Min.
Max.
—
—
5.4
5.4
—
—
—
—
—
—
—
—
—
—
—
—
—
5.4
—
100K
—
—
—
10
—
—
—
—
—
64
Min.
7.5
10
—
—
2.5
2.5
1.5
0.8
1.5
0.8
1.5
0.8
1.5
0.8
2.7
3
0
2.7
67.5
45
20
20
15
1
15
7.5
7.5
15
35
—
6
7.5
CLK to valid output delay
(1)
—
—
CLK high pulse width
2.5
CLK low pulse width
2.5
CKE setup time
1.5
CKE hold time
0.8
Address setup time
1.5
Address hold time
0.8
Command setup time
1.5
Command hold time
0.8
Data input setup time
1.5
Data input hold time
0.8
(1)
Output data hold time
CL= 3
2.7
CL= 2
2.7
CLK to output in low - Z
0
CLK to output in H - Z
2.7
ROW cycle time
60.0
ROW active time
42
RAS
to
CAS
delay
18
Row precharge time
15
Row active to active delay
12
Transition time
1
Mode reg. set cycle
12
Power down exit setup time
6
Self refresh exit time
6
Data in to Precharge
12
Data in to Active/Refresh Delay Time
27
Refresh Time
—
-7
Max.
—
—
5.4
6
—
—
—
—
—
—
—
—
—
—
—
—
—
5.4
—
100K
—
—
—
10
—
—
—
—
—
64
Min.
8
10
—
—
3
3
2
1
2
1
2
1
2
1
3
3
0
3
70
50
20
20
20
1
20
10
10
16
36
—
-8
Max.
—
—
6
6
—
—
—
—
—
—
—
—
—
—
—
—
—
6
—
100K
—
—
—
10
—
—
—
—
—
64
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
Notes:
1. if clock rising time is longer than 1ns, (tr/2-0.5ns) should be added to the parameter.
Integrated Circuit Solution Inc.
DR023-0E 6/11/2004
9
ICSI [ INTEGRATED CIRCUIT SOLUTION INC ]
