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SP490E 데이터시트(PDF) 4 Page - Sipex Corporation

부품명 SP490E
상세설명  Enhanced Full Duplex RS-485 Transceivers
PDF  12 Pages
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제조업체  SIPEX [Sipex Corporation]
홈페이지  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP490E 데이터시트(HTML) 4 Page - Sipex Corporation

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SP490EDS/14
SP490E Enhanced Full Duplex RS-485 Transceivers
© Copyright 2000 Sipex Corporation
4
Figure 5. Driver Propagation Delays
+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
Figure 6. Driver Enable and Disable Times
Figure 7. Receiver Propagation Delays
Y, Z
Y, Z
+3V
0V
DI
Z
Y
DRIVER
OUTPUT
VO+
DIFFERENTIAL
OUTPUT
VY – VZ
0V
VO–
1.5V
1.5V
tPLH
tR
tF
f = 1MHz; tR < 10ns; tF < 10ns
VO
1/2VO
1/2VO
tPHL
tDPLH
tDPHL
tSKEW = | tDPLH - tDPHL |
VOH
VOL
R
1.5V
1.5V
tPHL
f = 1MHz; tR < 10ns; tF < 10ns
OUTPUT
V0D2+
V0D2–
Y – Z
0V
0V
tPLH
INPUT
tSKEW = | tPHL - tPLH |



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