IC42S16400
AC ELECTRICAL CHARACTERISTICS
(At T
A
= 0 ~ 70°C, 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
DPL
t
T
t
RSC
t
PDE
t
SRX
t
REF
Parameter
CLK Cycle Time
CLK to valid output delay
(1)
CLK high pulse width
CLK low pulse width
CKE setup time
CKE hold time
Address setup time
Address hold time
Command setup time
Command hold time
Data input setup time
Data input hold time
Output data hold time
(1)
CLK to output in low - Z
CLK to output in H - Z
ROW cycle time
ROW active time
RAS
to
CAS
delay
Row precharge time
Row active to active delay
Data in to precharge
Transition time
Mode reg. set cycle
Power down exit setup time
Self refresh exit time
-7
Max.
—
—
5
6
—
—
—
—
—
—
—
—
—
—
—
—
—
5
—
100,000
—
—
—
—
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
15
1
10
7.5
7.5
—
Max.
—
—
5.4
6
—
—
—
—
—
—
—
—
—
—
—
—
—
5.4
—
100,000
—
—
—
—
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
ms
Min.
CAS
Latency = 3
CAS
Latency = 2
CAS
Latency = 3
CAS
Latency = 2
6
7.5
—
—
2.5
2.5
1.5
0.8
1.5
0.8
1.5
0.8
1.5
0.8
2.5
2.5
0
2.5
60
42
18
15
12
12
1
10
7.5
7.5
—
CAS
Latency = 3
CAS
Latency = 2
Refresh Time
Notes:
1. if clock rising time is longer than 1ns, (tr/2-0.5ns) should be added to the parameter.
8
Integrated Circuit Solution Inc.
DR034-0E 12/02/2003
ICSI [ INTEGRATED CIRCUIT SOLUTION INC ]
