MG80C286-12 데이터 시트보기 (PDF) - Intersil
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MG80C286-12 Datasheet PDF : 13 Pages
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80C286/883
Waveforms
BUS CYCLE TYPE
VOH
CLK
TI
3 φ2
2
12A
VOL
READ CYCLE
ILLUSTRATED WITH ZERO
WAIT STATES
TS
TC
1
φ2
φ1
φ2
12B
WRITE CYCLE
ILLUSTRATED WITH ONE
WAIT STATE
TS
TC
φ1
φ2
φ1
φ2
TC
φ1
φ2
READ
(TI OR TS)
φ1
S1 • S0
A23 - A0
M/IO,
COD INTA
BHE, LOCK
D15 - D0
READY
SRDY +
SRDYEN
ARDY +
ARDYEN
PCLK
ALF
CMDLY
MWTC
19
13
19
13
VALID ADDRESS
13
VALID CONTROL
VALID ADDRESS
13
VALID CONTROL
9
14
8
VALID READ DATA
11
10
VALID WRITE DATA
11
10
VALID IF TS
15
12
11
19
14
13
19
19
20
16
17
12
13
13
12
13
12
29
30
MRDC
DT/R
29
30
19
(SEE NOTE 1)
22
24
20
21
23
DEN
NOTES:
1. The modified timing is due to the CMDLY signal being active.
2. 82C254 and 82C288 Timing Waveforms are shown for reference only, and no guarantee is inplied.
FIGURE 2. MAJOR CYCLE TIMING
3-135
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