tm
TE
CH
Preliminary T4312816A
(Unit : number of clock)
CAS
Latency
3
3
2
2
2
FREQUENCY vs. AC PARAMETER RELATIONAHIP TABLE
T4312816A-6S
Frequency
166MHz(6.0ns)
143MHz(7.0ns)
125MHz(8.0ns)
111MHz(9.0ns)
100MHz(10.0ns)
t
RC
60ns
10
9
9
7
7
t
RAS
42ns
7
6
6
5
5
t
RP
15ns
3
3
2
2
2
t
RRD
12ns
2
2
2
2
2
t
RCD
15ns
3
3
2
2
2
t
CCD
6ns
1
1
1
1
1
t
CDL
6ns
1
1
1
1
1
t
RDL
12ns
2
2
2
2
2
T4312816A-7S
Frequency
143MHz(7.0ns)
125MHz(8.0ns)
111MHz(9.0ns)
100MHz(10.0ns)
83MHz(12.0ns)
(Unit : number of clock)
CAS
Latency
3
3
2
2
2
t
RC
63ns
9
9
8
7
6
t
RAS
42ns
6
6
5
5
4
t
RP
15ns
3
2
2
2
2
t
RRD
14ns
2
2
2
2
2
t
RCD
15ns
3
2
2
2
2
t
CCD
7ns
1
1
1
1
1
t
CDL
7ns
1
1
1
1
1
t
RDL
14ns
2
2
2
2
2
T4312816A-7.5S
Frequency
133MHz(7.5ns)
125MHz(8.0ns)
111MHz(9.0ns)
100MHz(10.0ns)
83MHz(12.0ns)
(Unit : number of clock)
CAS
Latency
3
3
2
2
2
t
RC
65ns
9
9
8
7
6
t
RAS
45ns
6
6
5
5
4
t
RP
20ns
3
3
3
2
2
t
RRD
15ns
2
2
2
2
2
t
RCD
18ns
3
3
2
2
2
t
CCD
7.5ns
1
1
1
1
1
t
CDL
7.5ns
1
1
1
1
1
t
RDL
15ns
2
2
2
2
2
T4312816A-8S
Frequency
125MHz(8.0ns)
111MHz(9.0ns)
100MHz(10.0ns)
83MHz(12.0ns)
75MHz(13.0ns)
(Unit : number of clock)
CAS
Latency
3
3
2
2
2
t
RC
68ns
9
9
7
6
6
t
RAS
48ns
6
6
5
4
4
t
RP
20ns
3
3
2
2
2
t
RRD
16ns
2
2
2
2
2
t
RCD
20ns
3
3
2
2
2
t
CCD
8ns
1
1
1
1
1
t
CDL
8ns
1
1
1
1
1
t
RDL
16ns
2
2
2
2
2
T4312816A-10S
Frequency
100MHz(10.0ns)
83MHz(12.0ns)
75MHz(13.0ns)
66MHz(15.0ns)
60MHz(16.7ns)
(Unit : number of clock)
CAS
Latency
2
2
2
2
2
t
RC
70ns
7
7
6
6
5
t
RAS
50ns
5
5
4
4
3
t
RP
20ns
2
2
2
2
2
t
RRD
20ns
2
2
2
2
2
t
RCD
20ns
2
2
2
2
2
t
CCD
10ns
1
1
1
1
1
t
CDL
10ns
1
1
1
1
1
t
RDL
20ns
2
2
2
2
Note 1
Note : 1.
t
RDL
≥
16.7ns is recommended for T4312816A
base value
2. Clock count formula : clock
≥
(round off whole number).
clock period
TM Technology Inc. reserves the right
P.9
to change products or specifications without notice.
Publication Date: APR. 2003
Revision: 0.B
TMT [ TAIWAN MEMORY TECHNOLOGY ]
