MOSEL VITELIC
AC Characteristics
3,4
T
A
= 0° to 70°C; V
SS
= 0V; V
CC
= 3.3V
±
0.3V, t
T
= 1 ns
V437216C04VDTG-10PC
Limit Values
-10PC
#
Symbol
Parameter
Min.
Max.
Unit
Note
Clock and Clock Enable
1
t
CK
Clock Cycle Time
CAS Latency = 3
CAS Latency = 2
System frequency
CAS Latency = 3
CAS Latency = 2
Clock Access Time
CAS Latency = 3
CAS Latency = 2
Clock High Pulse Width
Clock Low Pulse Width
Input Setup time
Input Hold Time
CKE Setup Time (Power down mode)
CKE Setup Time (Self Refresh Exit)
Transition time (rise and fall)
10
10
–
–
–
–
3
3
2
1
2.5
8
1
100
100
6
6
–
–
–
–
–
–
–
ns
ns
MHz
MHz
2, 4
ns
ns
ns
ns
ns
ns
ns
ns
ns
6
6
7
7
8
9
2
f
CK
3
t
AC
4
5
6
7
8
9
10
t
CH
t
CL
t
CS
t
CH
t
CKSP
t
CKSR
t
T
Common Parameters
11
12
13
14
15
16
t
RCD
t
RC
t
RAS
t
RP
t
RRD
t
CCD
RAS to CAS delay
Cycle Time
Active Command Period
Precharge Time
Bank to Bank Delay Time
CAS to CAS delay time
(same bank)
20
70
45
20
16
1
–
120K
–
–
–
–
ns
ns
ns
ns
ns
CLK
6
6
6
6
6
Refresh Cycle
17
18
t
SREX
t
REF
Self Refresh Exit Time
Refresh Period (8192 cycles)
10
64
–
–
ns
ms
Read Cycle
19
20
21
22
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
–
–
9
–
ns
ns
ns
CLK
10
2, 4
Write Cycle
23
24
t
DPL
t
DQW
Data input to Precharge (write recovery)
DQM Write Mask Latency
2
0
–
–
CLK
CLK
11
V437216C04VDTG-10PC Rev. 1.3 July 2001
8
MOSEL [ MOSEL VITELIC, CORP ]
