MS7201AL-25 查看數據表（PDF） - Mosel Vitelic Corporation
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MS7201AL-25 Datasheet PDF : 11 Pages
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MOSEL VITELIC
MS7200L/7201AL/7202AL
AC Electrical Characteristics (over the commercial operating range)
MS7200L-25 MS7200L-35 MS7200L-50 MS7200L-80
MS7201AL-25 MS7201AL-35 MS7201AL-50 MS7201AL-80
Parameter
MS7202AL-25 MS7202AL-35 MS7202AL-50 MS7202AL-80
Name
Parameter
Min. Max. Min. Max. Min. Max. Min. Max.
ƒS
Shift Frequency
--
30
-- 22.2 --
15
--
10
Read Cycle
tRC
Read Cycle Time
33
--
45
--
65
--
100
--
tA
Access Time
--
25
--
35
--
50
--
80
tRPW
Read Pulse Width
25
--
35
--
50
--
80
--
tRR
Read Recovery Time
8
tRLZ (2)
Read Pulse Low to Data Bus at Low Z
5
tRHZ (2,3) Read Pulse High to Data Bus at High Z --
--
10
--
15
--
20
--
--
5
--
10
--
10
--
18
--
20
--
30
--
30
tDV
Data Valid from Read Pulse High
5
--
5
--
5
--
5
--
Write Cycle
tWC
tWPW(1)
Write Cycle Time
Write Pulse Width
33
--
45
--
65
--
100
--
25
--
35
--
50
--
80
--
tWR
Write Recovery Time
8
--
10
--
15
--
20
--
tDS
Data Setup Time
15
--
18
--
30
--
40
--
tDH
Data Hold Time
0
--
0
--
5
--
10
--
tWLZ(2,3) Write Pulse High to Data Bus at Low Z 5
--
10
--
15
--
20
--
Flag Timing
tREF
Read Low to Empty Flag Low
--
25
--
30
--
45
--
60
tRHF
Read High to Half Full Flag High
--
33
--
45
--
65
--
100
tRFF
Read High to Full Flag High
--
25
--
30
--
45
--
60
tWEF
Write High to Empty Flag High
--
25
--
30
--
45
--
60
tWFF
Write Low to Full Flag Low
--
25
--
30
--
45
--
60
tWHF
Write Low to Half Full Flag Low
--
33
--
45
--
65
--
100
tRPE
Read Pulse Width After EF High
25
--
35
--
50
--
80
--
tWPF
Write Pulse Width After FF High
25
--
35
--
50
--
80
--
Reset Timing
tRSC
tRS (1)
Reset Cycle Time
Reset Pulse Width
33
--
45
--
65
--
100
--
25
--
35
--
50
--
80
--
tRSS
Reset Set Up Time
25
--
35
--
50
--
80
--
tRSR
Reset Recovery Time
8
--
10
--
15
--
20
--
tEFL
Reset to Empty Flag Low
--
33
--
45
--
65
--
100
tHFH
Reset to Half Full Flag High
--
33
--
45
--
65
--
100
tFFH
Reset to Full Flag High
--
33
--
45
--
65
--
100
Retransmit Timing
tRTC
tRT(1)
Retransmit Cycle Time
Retransmit Pulse Width
33
--
45
--
65
--
100
--
25
--
35
--
50
--
80
--
tRTS
Retransmit Set up Time
25
--
35
--
50
--
80
--
tRTR
Retransmit Recovery Time
8
--
10
--
15
--
20
--
Expansion Timing
tXOL
Read/Write to XO Low
tXOH
Read/Write to XO High
tXI
XI Pulse Width
--
25
--
35
--
50
--
80
--
25
--
35
--
50
--
80
25
--
35
--
50
--
80
--
tXIS
XI Set up Time
tXIR
XI Recovery Time
15
--
15
--
15
--
15
--
8
--
10
--
10
--
10
--
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES:
1. Pulse widths less than minimum value are not allowed.
2. Values guaranteed by design, not currently tested.
3. Only applies to read data flow-through mode.
MS7200L/01AL/02AL Rev. 1.0 January 1995
4
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