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SP481ECP Datasheet(PDF) 5 Page - Sipex Corporation

Part # SP481ECP
Description  Enhanced Low Power Half-Duplex RS-485 Transceivers
PDF  11 Pages
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Manufacturer  SIPEX [Sipex Corporation]
Direct Link  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP481ECP Datasheet(HTML) 5 Page - Sipex Corporation

  SP481ECP Datasheet HTML 1Page - Sipex Corporation SP481ECP Datasheet HTML 2Page - Sipex Corporation SP481ECP Datasheet HTML 3Page - Sipex Corporation SP481ECP Datasheet HTML 4Page - Sipex Corporation SP481ECP Datasheet HTML 5Page - Sipex Corporation SP481ECP Datasheet HTML 6Page - Sipex Corporation SP481ECP Datasheet HTML 7Page - Sipex Corporation SP481ECP Datasheet HTML 8Page - Sipex Corporation SP481ECP Datasheet HTML 9Page - Sipex Corporation Next Button
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5
Rev. 5/16/03
SP481E Low Power Half-Duplex RS485 Transceivers
© Copyright 2003 Sipex Corporation
INPUTS
OUTPUTS
LINE
RE
DE
DI CONDITION
B
A
X1
1
No Fault
0
1
X1
0
No Fault
1
0
X0
X
X
ZZ
X1
X
Fault
Z
Z
INPUTS
OUTPUTS
RE
DE
A - B
R
00
+0.2V
1
00
-0.2V
0
00
Inputs Open
1
10
X
Z
Table 1. Transmit Function Truth Table
Table 2. Receive Function Truth Table
+3V
0V
DE
5V
VOL
A, B
0V
1.5V
1.5V
tZL
tZH
f = 1MHz; tR < 10ns; tF < 10ns
VOH
A, B
2.3V
2.3V
tLZ
tHZ
0.5V
0.5V
Output normally LOW
Output normally HIGH
+3V
0V
RE
5V
R
0V
1.5V
1.5V
tZL
tZH
f = 1MHz; tR < 10ns; tF < 10ns
R
1.5V
1.5V
tLZ
tHZ
0.5V
0.5V
Output normally LOW
Output normally HIGH
VIL
VIH
Figure 8. Receiver Enable and Disable Times
Figure 7. Receiver Propagation Delays
Figure 6. Driver Enable and Disable Times
VOH
VOL
R
1.5V
1.5V
tPHL
f = 1MHz; tR < 10ns; tF < 10ns
OUTPUT
V0D2+
V0D2–
A – B
0V
0V
tPLH
INPUT
tSKEW = | tPHL - tPLH |



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