參數(shù)資料
型號: SP481CS
英文描述: Low Power Half-Duplex RS-485 Transceivers
中文描述: 低功耗半雙工RS - 485收發(fā)器
文件頁數(shù): 7/10頁
文件大?。?/td> 78K
代理商: SP481CS
7
Rev. 07/16/02
SP481/483/485 Low Power Half-Duplex RS485 Transceivers
Copyright 2002 Sipex Corporation
+3V
0V
DE
5V
V
OL
A, B
0V
1.5V
1.5V
t
ZL
t
ZH
V
OH
A, B
2.3V
2.3V
t
LZ
t
HZ
0.5V
0.5V
Output normally LOW
Output normally HIGH
f
SP481/485
= 1MHz; f
SP483
= 100kHz; t
R
< 10ns; t
F
< 10ns
+3V
0V
RE
5V
R
0V
1.5V
1.5V
t
ZL
t
ZH
R
1.5V
1.5V
t
LZ
t
HZ
0.5V
0.5V
Output normally LOW
Output normally HIGH
V
IL
V
IH
f
SP481/485
= 1MHz; f
SP483
= 100kHz; t
R
< 10ns; t
F
< 10ns
Figure 9. Receiver Enable and Disable Times
Figure 8. Receiver Propagation Delays
Figure 7. Driver Enable and Disable Times
V
OH
V
OL
R
1.5V
1.5V
t
PHL
f
SP481/485
= 1MHz; f
SP483
= 100kHz; t
R
< 10ns; t
F
< 10ns
OUTPUT
V
0D2
+
V
0D2
A – B
0V
0V
t
PLH
INPUT
t
SKEW =
|
t
PHL -
t
PLH
|
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