参数资料
型号: SCD223110QCD
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 2 CHANNEL(S), 256K bps, SERIAL COMM CONTROLLER, PQFP100
封装: METRIC, QFP-100
文件页数: 66/178页
文件大小: 2247K
代理商: SCD223110QCD
CD2231 — Intelligent Two-Channel LAN and WAN Communications Controller
158
Datasheet
t
42
Reserved
t
43
Reserved
t
44
R/W* setup to CLK high
5
t
45
CLK high to data valid
25
t
46
Data setup time to CLK high
6
t
47
Data hold time after CLK high
15
t
48
Address setup time to CLK high
5
t
49
Address hold time after CLK high
15
t
50
CLK high to DTACK* low (read cycle)
25
t
51
CLK high to DTACK* low (write cycle)
25
t
52
(CS* and DS*) low to DATEN*/DATDIR* low
28
t
53
DS* high to DATEN*/DATDIR* tristate
25
t
54
DS* high to data bus tristate
25
t
55
DS* high to DTACK* high-impedance
25
Interrupt Acknowledge
t
61
CLK high to IACKIN*, DS* setup
20
t
63
CLK high to data valid
35
t
64
Address setup to IACKIN* low
0
t
65
Address hold after IACKIN* high
0
t
66
CLK high to DTACK* low
25
t
67
(IACKIN* and DS*) low and BUSCLK high to
DATEN* and DATDIR* low
40
1.This timing assumes the following conditions BGACK* high, DTACK* high, DS* high, and BUSCLK high.
Symbol
Parameter
MIN
MAX
(Sheet 2 of 2)
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