參數(shù)資料
型號(hào): SP495ET
英文描述: Quad Differential RS-485 Transceiver
中文描述: 四路差分的RS - 485收發(fā)器
文件頁(yè)數(shù): 4/6頁(yè)
文件大?。?/td> 60K
代理商: SP495ET
SP495
Quad Differential RS-485 Transceiver
4
Copyright 2000 Sipex Corporation
+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
Figure 7. Driver Enable and Disable Times
+3V
0V
DI
B
A
DRIVER
OUTPUT
V
O
+
0V
V
O
DIFFERENTIAL
OUTPUT
V
A
– V
B
t
SKEW
t
SKEW
1.5V
1.5V
t
PLH
t
PLH
t
R
t
F
f = 1MHz; t
R
< 10ns; t
F
< 10ns
V
O
1/2V
O
1/2V
O
t
PHL
Figure 6. Driver Propagation Delays
V
OH
V
OL
R
1.5V
1.5V
t
PHL
f = 1MHz; t
R
10ns; t
F
10ns
OUTPUT
V
0D2
+
V
0D2
A – B
0V
0V
t
PHL
INPUT
Figure 8. Receiver Propagation Delays
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