參數(shù)資料
型號(hào): V437464Q24VBTG-10PC
廠商: MOSEL-VITELIC
元件分類: DRAM
英文描述: 64M X 72 SYNCHRONOUS DRAM MODULE, 6 ns, DMA168
封裝: DIMM-168
文件頁數(shù): 13/13頁
文件大小: 322K
代理商: V437464Q24VBTG-10PC
MOSEL VITELIC
V437464Q24V
9
V437464Q24V Rev. 1.0 January 2002
AC Characteristics 3,4
TA =0° to 70°C; VSS =0V; VCC =3.3V ± 0.3V, tT =1ns
#
Symbol Parameter
Limit Values
Unit
Note
-75PC
-75
-10PC
Min.
Max.
Min.
Max.
Min.
Max.
Clock and Clock Enable
1tCK
Clock Cycle Time
CAS Latency = 3
CAS Latency = 2
7.5
10
ns
2fCK
System frequency
CAS Latency = 3
CAS Latency = 2
133
133
100
100
MHz
3tAC
ClockAccessTime
CAS Latency = 3
CAS Latency = 2
5.4
5.4
6
6
ns
2, 4
4tCH
Clock High Pulse Width
2.5
2.5
3
ns
6
5tCL
Clock Low Pulse Width
2.5
2.5
3
ns
6
6tCS
Input Setup time
1.5
1.5
2
ns
7
7tCH
Input Hold Time
0.8
0.8
1
ns
7
8tCKSP
CKE Setup Time (Power down mode)
2
2
2
ns
8
9tCKSR
CKE Setup Time (Self Refresh Exit)
8
8
8
ns
9
10
tT
Transition time (rise and fall)
1
1
1
ns
Common Parameters
11
tRCD
RAS to CAS delay
15
20
20
ns
6
12
tRC
Cycle Time
60
120K
60
120K
70
120K
ns
6
13
tRAS
Active Command Period
42
45
45
ns
6
14
tRP
Precharge Time
15
20
20
ns
6
15
tRRD
Bank to Bank Delay Time
14
15
16
ns
6
16
tCCD
CAS to CAS delay time (same bank)
1
1
1
CLK
Refresh Cycle
17
tSREX
Self Refresh Exit Time
10
10
10
ns
18
tREF
Refresh Period (8192 cycles)
64
64
64
ms
Read Cycle
19
tOH
Data Out Hold Time
3
3
3
ns
2, 4
20
tLZ
Data Out to Low Impedance Time
0
0
0
ns
21
tHZ
Data Out to High Impedance Time
3
7.5
3
7.5
3
9
ns
10
22
tDQZ
DQM Data Out Disable Latency
2
2
2
CLK
Write Cycle
23
tDPL
Data input to Precharge (write recovery)
2
2
1
CLK
24
tDQW
DQM Write Mask Latency
0
0
0
CLK
11
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