V437316S04V
CILETIV LESOM
AC Characteristics
T
A
= 0° to 70°C; V
SS
= 0V; V
CC
= 3.3V
±
0.3V, t
T
= 1 ns (Continued)
Limit Values
-75PC
#
5
6
-75
Min.
2.5
1
-10PC
Symbol
t
CL
t
T
Parameter
Clock Low Pulse Width
Transition Tim
Min.
2.5
1
Max.
–
–
Max.
–
–
Min.
2.5
1
Max.
–
–
Unit
ns
ns
Note
Setup and Hold Times
7
8
9
10
11
12
t
IS
t
IH
t
CKS
t
CKH
t
RSC
t
SB
Input Setup Time
Input Hold Time
Input Setup Time
CKE Hold Time
Mode Register Set-up Time
Power Down Mode Entry Time
1.5
0.8
1.5
0.8
15
0
–
–
–
–
–
7.5
1.5
0.8
1.5
0.8
15
0
–
–
–
–
–
7.5
1.5
0.8
1.5
0.8
15
0
–
–
–
–
–
7.5
ns
ns
ns
ns
ns
ns
5
5
5
5
Common Parameters
13
14
15
16
17
t
RCD
t
RP
t
RAS
t
RC
t
RRD
t
CCD
Row to Column Delay Time
Row Precharge Time
Row Active Time
Row Cycle Time
Activate(a) to Activate(b) Command
Period
CAS(a) to CAS(b) Command Period
15
20
42
60
14
–
–
100K
–
–
20
20
45
70
15
–
–
100K
–
–
20
20
45
70
20
–
–
100K
–
–
ns
ns
ns
ns
ns
6
6
6
6
6
18
1
–
1
–
1
–
CLK
Refresh Cycle
19
20
t
REF
t
SREX
Refresh Period (4096 cycles)
Self Refresh Exit Time
—
64
—
—
64
—
—
64
—
ms
ns
10
10
10
Read Cycle
21
22
23
24
t
OH
t
LZ
t
HZ
t
DQZ
Data Out Hold Time
Data Out to Low Impedance Time
Data Out to High Impedance Time
DQM Data Out Disable Latency
3
0
3
2
–
–
7.5
–
3
0
3
2
–
–
7.5
–
3
0
3
2
–
–
8
–
ns
ns
ns
CLK
7
2
Write Cycle
25
26
t
WR
t
DQW
Write Recovery Time
DQM Write Mask Latency
2
0
–
–
2
0
–
–
1
0
–
–
CLK
CLK
V437316S04V Rev. 1.0 December 2001
8
MOSEL [ MOSEL VITELIC, CORP ]
