V437216C04VDTG-75 データシートの表示（PDF） - Mosel Vitelic Corporation
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V437216C04VDTG-75
Mosel Vitelic Corporation
V437216C04VDTG-75 Datasheet PDF : 12 Pages
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MOSEL VITELIC
AC Characteristics 3,4
TA = 0° to 70°C; VSS = 0V; VCC = 3.3V ± 0.3V, tT = 1 ns
# Symbol Parameter
Clock and Clock Enable
1
tCK
Clock Cycle Time
CAS Latency = 3
CAS Latency = 2
2
fCK
System frequency
CAS Latency = 3
CAS Latency = 2
3
tAC
Clock Access Time
CAS Latency = 3
CAS Latency = 2
4
tCH
Clock High Pulse Width
5
tCL
Clock Low Pulse Width
6
tCS
Input Setup time
7
tCH
Input Hold Time
8
tCKSP CKE Setup Time (Power down mode)
9
tCKSR CKE Setup Time (Self Refresh Exit)
10
tT
Transition time (rise and fall)
Common Parameters
11
tRCD
RAS to CAS delay
12
tRC
Cycle Time
13
tRAS
Active Command Period
14
tRP
Precharge Time
15
tRRD
Bank to Bank Delay Time
16
tCCD
CAS to CAS delay time (same bank)
Refresh Cycle
17
tSREX
18
tREF
Read Cycle
Self Refresh Exit Time
Refresh Period (8192 cycles)
19
tOH
20
tLZ
21
tHZ
22
tDQZ
Write Cycle
Data Out Hold Time
Data Out to Low Impedance Time
Data Out to High Impedance Time
DQM Data Out Disable Latency
23
tDPL
Data input to Precharge (write recovery)
24
tDQW DQM Write Mask Latency
V437216C04VDTG-75 Rev. 1.2 July 2001
8
V437216C04VDTG-75
Limit Values
-75
Min.
Max.
Unit Note
7.5
ns
10
ns
–
133
MHz
–
100
MHz
4,5
–
5.4
ns
–
6
ns
2.5
–
ns
6
2.5
–
ns
6
1.5
–
ns
7
0.8
–
ns
7
2.5
–
ns
8
8
–
ns
9
0.3
1.2
ns
20
–
ns
6
60
–
ns
6
45
100K
ns
6
20
–
ns
6
15
–
ns
6
1
–
CLK
10
–
ns
64
–
ms
3
–
ns
2
1
–
ns
3
7
ns
7
–
2
CLK
2
–
CLK
0
–
CLK
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