參數資料
型號: IS80C286-20
廠商: Intersil
文件頁數: 42/60頁
文件大?。?/td> 0K
描述: IC CPU 16BIT 5V 20MHZ 68-PLCC
標準包裝: 18
處理器類型: 80C286 16-位
速度: 20MHz
電壓: 5V
安裝類型: 表面貼裝
封裝/外殼: 68-LCC(J 形引線)
供應商設備封裝: 68-PLCC(24.23x24.23)
包裝: 管件
47
Waveforms
FIGURE 34. MAJOR CYCLE TIMING
NOTE: The modified timing is due to the CMDLY signal being active.
3
2
12A
1
12B
19
13
19
13
9
8
14
11
10
11
15
14
13
30
29
24
13
12
13
22
23
21
20
19
29
30
13
12
17
19
20
19
12
11
19
16
TI
φ2
φ1
TS
φ2
φ1
TC
φ2
φ1
TS
φ2
φ1
TC
φ1
TC
WRITE CYCLE
BUS
VALID IF TS
READ
(TS OR TS)
ILLUSTRATED WITH ONE
WAIT STATE
READ CYCLE
ILLUSTRATED WITH ZERO
WAIT STATES
CYCLE TYPE
VOH
CLK
VOL
S1
S0
A23 - A0
M/IO, COD,
BHE, LOCK
READY
SRDY + SRDYEN
ARDY + ARDYEN
PLCK
CMDLY
MWTC
MRDC
DT/R
DEN
ALE
INTA
D15 - D0
VALID ADDRESS
VALID CONTROL
VALID WRITE DATA
VALID READ DATA
(SEE NOTE 1)
82
C288
82
C284
80C28
6
80C286
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