SP508ECF-L View Datasheet(PDF) - Exar Corporation

Part Name

Description

Manufacturer

SP508ECF-L

Rugged 20Mbps, 8 Channel Multi-Protocol Transceiver with Programmable DCE/DTE and Termination Resistors

Exar Corporation 

A

B

ISC

±2V

C

Figure 28. V.35 Driver Output Short-Circuit

Impedance

A

50

50

B

Oscilloscope

50

C

Figure 29. V.35 Driver Output Rise/Fall Time

A

V2

V1

50

24kHz, 550mVp-p

Sine Wave

B

C

Figure 30. V.35 Receiver Input Source Impedance

A

B

Isc

±2V

C

Figure 31. V.35 Receiver Input Short-Circuit

Impedance

Any one of the three conditions for disabling the driver.

VCC = 0V

11

1

D2

D1

D0

A

VCC

IZSC

±10V

Logic “1”

B

TIN

B

A

fIN (50% Duty Cycle, 2.5VP-P)

CL1

CL2

B

ROUT

A

15pF

Figure 32. Driver Output Leakage Current Test

Figure 33. Driver/Receiver Timing Test Circuit

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com SP508E_100_072412

15

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