參數(shù)資料
型號: V437464S24VXTG-10PC
廠商: Mosel Vitelic, Corp.
英文描述: 3.3 VOLT 64M x 72 HIGH PERFORMANCE UNBUFFERED ECC SDRAM MODULE
中文描述: 3.3伏6400 × 72高性能無緩沖ECC內(nèi)存模塊
文件頁數(shù): 8/12頁
文件大?。?/td> 318K
代理商: V437464S24VXTG-10PC
8
V437464S24V Rev. 1.0 January 2002
MOSEL VITELIC
V437464S24V
AC Characteristics
3,4
T
A
= 0° to 70
°
C; V
SS
= 0V; V
CC
= 3.3V
±
0.3V, t
T
= 1 ns
# Symbol Parameter
Unit
Note
-75PC
-75
-10PC
Min.
Max.
Min.
Max.
Min.
Max.
Clock and Clock Enable
1
t
CK
Clock Cycle Time
CAS Latency = 3
CAS Latency = 2
7.5
7.5
7.5
10
10
10
ns
ns
2
f
CK
System frequency
CAS Latency = 3
CAS Latency = 2
133
133
133
100
100
100
MHz
MHz
3
t
AC
Clock Access Time
CAS Latency = 3
CAS Latency = 2
5.4
6
5.4
6
6
6
ns
ns
4,5
4
t
CH
Clock High Pulse Width
2.5
2.5
3
ns
6
5
t
CL
Clock Low Pulse Width
2.5
2.5
3
ns
6
6
t
CS
Input Setup time
1.5
1.5
2
ns
7
7
t
CH
Input Hold Time
0.8
0.8
1
ns
7
8
t
CKSP
CKE Setup Time (Power down mode)
2.5
2.5
2
ns
8
9
t
CKSR
CKE Setup Time (Self Refresh Exit)
8
8
8
ns
9
10
t
T
Transition time (rise and fall)
1
1
1
ns
Common Parameters
11
t
RCD
RAS to CAS delay
15
20
20
ns
12
t
RC
Cycle Time
70
60
60
ns
13
t
RAS
Active Command Period
42
45
45
ns
14
t
RP
Precharge Time
15
20
20
ns
15
t
RRD
Bank to Bank Delay Time
14
15
20
ns
16
t
CCD
CAS to CAS delay time
(same bank)
1
1
1
CLK
Refresh Cycle
17
t
SREX
Self Refresh Exit Time
10
10
10
ns
9
18
t
REF
Refresh Period (8192 cycles)
64
64
64
ms
8
Read Cycle
19
t
OH
Data Out Hold Time
3
3
3
ns
4
20
t
LZ
Data Out to Low Impedance Time
0
0
0
ns
21
t
HZ
Data Out to High Impedance Time
3
7.5
3
7.5
3
7.5
ns
10
22
t
DQZ
DQM Data Out Disable Latency
2
2
2
CLK
Write Cycle
23
t
DPL
Data input to Precharge (write recovery)
2
2
1
CLK
24
t
DAL
Data In to Active/refresh
5
5
5
CLK
11
25
t
DQW
DQM Write Mask Latency
0
0
0
CLK
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