參數(shù)資料
型號: SP485R
英文描述: 1/10th Unit Load RS-485 Transceiver
中文描述: 十分之一機(jī)組負(fù)荷的RS - 485收發(fā)器
文件頁數(shù): 5/9頁
文件大小: 74K
代理商: SP485R
Date: 6/21/04
SP485R RS-485 Serial Transceiver
5
Copyright 2004 Sipex Corporation
Figure 6. Driver Enable and Disable Times
Figure 7. Receiver Propagation Delays
V
OH
V
OL
RECEIVER OUT
1.5V
1.5V
t
PHL
f = 1MHz; t
R
< 10ns; t
F
< 10ns
OUTPUT
V
0D2
+
V
0D2
A – B
0V
0V
t
PLH
INPUT
t
SKEW
= | t
PHL
- t
PLH
|
Figure 8. Receiver Enable and Disable Times
+3V
0V
DE
5V
V
OL
A, B
0V
1.5V
1.5V
t
ZL
t
ZH
f = 1MHz; t
R
< 10ns; t
F
< 10ns
V
OH
A, B
2.3V
2.3V
t
LZ
t
HZ
0.5V
0.5V
Output normally LOW
Output normally HIGH
+3V
0V
RE
5V
0V
1.5V
1.5V
t
ZL
t
ZH
f = 1MHz; t
R
< 10ns; t
F
< 10ns
RECEIVER OUT
1.5V
1.5V
t
LZ
t
HZ
0.5V
0.5V
Output normally LOW
Output normally HIGH
V
IL
V
IH
RECEIVER OUT
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