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M38861MEA-XXXFS View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part NameM38861MEA-XXXFS Mitsubishi
MITSUBISHI ELECTRIC  Mitsubishi
DescriptionRAM size 2048bytes; single-chip 8-bit CMOS microcomputer
M38861MEA-XXXFS Datasheet PDF : 110 Pages
First Prev 101 102 103 104 105 106 107 108 109 110
MITSUBISHI MICROCOMPUTERS
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
System bus interface timing diagram
Read operation
tsu(A-R)
A0
2.4 (0.8VCC)
0.45 (0.2VCC)
th(R-A)
2.4 (0.8VCC)
0.45 (0.2VCC)
S0 ,S1
tsu(S-R)
0.45 (0.2VCC)
th(R-S)
0.45 (0.2VCC)
tw(R)
R
2.4 (0.8VCC)
2.4 (0.8VCC)
0.45 (0.2VCC)
0.45 (0.2VCC)
DQ0–DQ7
OBF00,OBF01,OBF10
ta(R-D)
2.0 (0.8VCC)
0.8 (0.2VCC)
2.0 (0.8VCC)
0.8 (0.2VCC)
tv(R-D)
tPLH(R-OBF)
0.8 (0.2VCC)
Write operation
A0
S0 ,S1
W
DQ0–DQ7
tsu(A-W)
2.4 (0.8VCC)
0.45 (0.2VCC)
th(W-A)
2.4 (0.8VCC)
0.45 (0.2VCC)
tsu(S-W)
0.45 (0.2VCC)
th(W-S)
0.45 (0.2VCC)
2.4 (0.8VCC)
tw(W)
0.45 (0.2VCC)
2.4 (0.8VCC)
0.45 (0.2VCC)
2.4 (0.8VCC)
0.45 (0.2VCC)
th(W-D)
2.4 (0.8VCC)
0.45 (0.2VCC)
tsu(D-W)
Outside of parenthesis : TTL I/O
Inside of parenthesis : CMOS I/O
Fig. 88 Timing diagram (4) (system bus interface)
104
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