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SP3490CP Scheda tecnica(PDF) 4 Page - Sipex Corporation

Il numero della parte SP3490CP
Spiegazioni elettronici  3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate
PDF  11 Pages
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Produttore elettronici  SIPEX [Sipex Corporation]
Homepage  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP3490CP Scheda tecnica(HTML) 4 Page - Sipex Corporation

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Rev. 10/11/02
SP3490/3491 Low Power Full-Duplex RS485 Transceivers
© Copyright 2002 Sipex Corporation
4
Figure 7. Receiver Enable and Disable Timing Circuit
Figure 8. Driver Propagation Delay Waveforms
Figure 9. Driver Differential Output Delay and
Transition Time Waveforms
Figure 10. Driver Enable and Disable Timing Waveforms
Figure 11. Receiver Propagation Delay Waveforms
1.5V
-1.5V
S3
VID
GENERATOR
(NOTE 1)
50Ω
CL = 15pF
(NOTE 2)
R
1k
S1
S2
VCC
0V
VOH
tPLH
tPHL
VOM
tPHL
tPLH
3V
VOL
VOH
1.5V
1.5V
INPUT
Y OUTPUT
VOM
Z OUTPUT
VOL
VOM
VOM
VOM = V
OH
+ VOL
2
≈ 1.5V
3V
0V
VCC
tRPLH
1.5V
tRPHL
VOM
VOM
0V
1.5V
INPUT
OUTPUT
VOM = V
CC
2
IN
1.5V
tDPLH
1.5V
tDPHL
3V
0V
OUT
50%
50%
10%
10%
90%
90%
tR
tF
2.0V
-2.0V
0V
VOH
tPZH
0.25V
tPHZ
VOM
tPZL
tPLZ
3V
VOL
VCC
1.5V
1.5V
DE
OUTPUT
HIGH
VOM
0.25V
0V
OUTPUT
LOW
VOM = V
OH
+ VOL
2
≈ 1.5V



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