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SP1490ECN-L/TR Datasheet(PDF) 4 Page - Exar Corporation

Part # SP1490ECN-L/TR
Description  Full Duplex RS-485 Transceivers12345678VCC
PDF  8 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

SP1490ECN-L/TR Datasheet(HTML) 4 Page - Exar Corporation

  SP1490ECN-L/TR Datasheet HTML 1Page - Exar Corporation SP1490ECN-L/TR Datasheet HTML 2Page - Exar Corporation SP1490ECN-L/TR Datasheet HTML 3Page - Exar Corporation SP1490ECN-L/TR Datasheet HTML 4Page - Exar Corporation SP1490ECN-L/TR Datasheet HTML 5Page - Exar Corporation SP1490ECN-L/TR Datasheet HTML 6Page - Exar Corporation SP1490ECN-L/TR Datasheet HTML 7Page - Exar Corporation SP1490ECN-L/TR Datasheet HTML 8Page - Exar Corporation  
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Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
SP1490_SP1491E_100_061209
Figure 6. 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 7. Driver Enable and Disable Times SP1491E only
Figure 8. Receiver Propagation Delays
+3V
0V
DI
B
A
DRIVER
OUTPUT
VO+
DIFFERENTIAL
OUTPUT
VA – VB
0V
VO–
tSKEW
tSKEW
1.5V
1.5V
tPLH
tPLH
tR
tF
f = 1MHz; tR < 10ns; tF < 10ns
VO 1/2VO
1/2VO
tPHL
VOH
VOL
R
1.5V
1.5V
tPHL
f = 1MHz; tR 10ns; tF 10ns
OUTPUT
V0D2+
V0D2–
A – B
0V
0V
tPHL
INPUT
≤
≤



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