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SP331 数据表(PDF) 5 Page - Exar Corporation

部件名 SP331
功能描述  Programmable Dual RS-232/RS-485 Transceiver
PDF  13 Pages
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制造商  EXAR [Exar Corporation]
网页  http://www.exar.com
标志 EXAR - Exar Corporation

SP331 数据表(HTML) 5 Page - Exar Corporation

  SP331 Datasheet HTML 1Page - Exar Corporation SP331 Datasheet HTML 2Page - Exar Corporation SP331 Datasheet HTML 3Page - Exar Corporation SP331 Datasheet HTML 4Page - Exar Corporation SP331 Datasheet HTML 5Page - Exar Corporation SP331 Datasheet HTML 6Page - Exar Corporation SP331 Datasheet HTML 7Page - Exar Corporation SP331 Datasheet HTML 8Page - Exar Corporation SP331 Datasheet HTML 9Page - Exar Corporation Next Button
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Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 50-668-707 • www.exar.com
SP33_00_0260
Figure 4. Driver Propagation Delays
Figure 5. Driver Enable and Disable Times
Figure 6. Receiver Propagation Delays
+3V
0V
DRIVER INPUT
A
B
DRIVER
OUTPUT
VO+
DIFFERENTIAL
OUTPUT
VA –VB
0V
VO–
1.5V
1.5V
tPLH
tF
tR
f ≥1MHz; tR ≤10ns; tF ≤10ns
VO 1/2VO
1/2VO
tPHL
tSKEW= |tDPLH-tDPHL|
tDPLH
tDPHL
+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
VOH
VOL
RECEIVER OUT
1.5V
1.5V
tPHL
f = 1MHz; tR 10ns; tF ≤ 10ns
OUTPUT
VOD2+
VOD2–
A – B
0V
0V
tPLH
INPUT
≤
SWITCHINg WAVEFORMS



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