M37640E8FP データシートの表示（PDF） - Mitsumi
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M37640E8FP Datasheet PDF : 96 Pages
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Ver 1.4
MITSUBISHI MICROCOMPUTERS
7640 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 2.4 Timing Requirements and Switching Characterisctics (continued)
(Vcc = 4.15 to 5.25V, Vss = 0V, Ta = -20 to 85°C unless otherwise noted)
Symbol
_ __ Parameter
MBI (S_eparate R and W Type_Mo_de)
tsu(S-R)
S_ 0, S_1 setup time for read
tsu_(S-W)
S_ 0, S_1 setup time for write
th(R-S)
S_ 0, S_1 hold time for read
th(W-S_)
S0, S1 hold time for write
tsu(A-R)
A0 setup time for read
tsu_(A-W)
A0 setup time for write
th(R-A)
A0 hold time for read
th(W_-A)
A0 hold time for write
tw(R)
Read pulse width
tw(W)
Write pulse width
tsu(D-W)
Data input setup time before write
th(W_ -D)
ta(_R-D)
tv(_R-D)
tv(R-OBF)
Data input hold time after write
Data output enable time after read
Data output disable time after read
OBF output transmission time after read
td(W-IBF_) _
MBI (R/W Type Mode)
tsu(S-E)
th(E-S)
tsu(A-E)
th(E-A)
tsu(R/W-E)
IBF output transmission time after write
__
S_ 0, S_1 setup time
S0, S1 hold time
A0 setup time
A0 hold time
R/W setup time
th(E-R/W)
R/W hold time
tw(E)
Enable pulse width
tw(E-E)
Enable pulse interval
tsu(D-E)
Data input setup time before write
th(E-D)
Data input hold time after write
ta(E-D)
Data output enable time after read
tv(E-D)
Data output disable time after read
tv(E-OBF)
OBF output transmission time after E inactive
td(E-IBF)
IBF output transmission time after E inactive
Limits
Unit
Min
Typ. Max
0
ns
0
ns
0
ns
0
ns
10
ns
10
ns
0
ns
0
ns
50
ns
50
ns
25
ns
0
ns
40
ns
10
ns
40
ns
40
ns
0
ns
0
ns
10
ns
0
ns
10
ns
10
ns
50
ns
50
ns
25
ns
0
ns
40
ns
10
ns
40
ns
40
ns
84
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