參數(shù)資料
型號: MM54240
廠商: National Semiconductor Corporation
英文描述: Asynchronous Receiver/Transmitter Remote Controller
中文描述: 異步接收器/發(fā)射器遙控器
文件頁數(shù): 5/10頁
文件大?。?/td> 187K
代理商: MM54240
Timing Diagram Description
TL/F/10819–7
Symbol
Parameter
Min
Max
Units
t
DS
t
DH
t
PV
t
PF
t
DV
t
DF
t
1
t
2
t
3
t
PD
Data and Address Set-Up Time
Data and Address Hold Time
Serial Port Valid
Serial Port Float
Output Data Valid
Output Data Float
Overlap Requirement
Delay Between Master-Slave Transmission
CS
#
Function
Rise and Fall Time
D
5
D
D
D
0
2
D
5
t
OSC
t
OSC
t
OSC
t
OSC
m
s
ns
D
ms
t
OSC
ns
1733
1.0
none
0.2
3
D
1.4
D
100
Oscillator Calculations
Conditions:
V
e
5V
g
5%
F
&
400 kHz
b
40
§
C
s
T
s
85
§
C
F
e
K
RC
where 0.8
s
K
s
1.4
Master Write Operation
TL/F/10819–8
5
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