1

Rev:A Date: 1/27/04

SP320 Complete +5V-Only V.35 Interface with RS-232 (V.28) Control Lines

© Copyright 2004 Sipex Corporation

14 DRIN1

61 DRA1

59 DRB1

13 T1IN

58 T1OUT

16 T2IN

54 T2OUT

17 T3IN

47 T3OUT

24 T4IN

51 T4OUT

22 DRIN2

42 DRA2

44 DRB2

15 DRIN3

63 DRA3

65 DRB3

23 STEN

6 TTEN

RCA1 70

RCOUT 1

RCB1 71

RCA2 37

RCOUT2 20

RCB2 38

R1IN 66

R1OUT 80

R2IN 68

R2OUT 78

R3IN 35

R3OUT 19

R4IN 39

R4OUT 21

RCA3 76

RCOUT3 79

RTEN 7

RCB3 77

29, 34, 43, 60, 64, 72

VDD

32

26

30

28

31

C1+

C1-

C2+

C2-

27

VSS

VCC

0.1µF

0.1µF

0.1µF

0.1µF

+5V

25, 33, 41, 62, 73

5kΩ

5kΩ

5kΩ

100Ω

100Ω

400kΩ

Vcc

400kΩ

Vcc

400kΩ

Vcc

400kΩ

Vcc

400kΩ

Vcc

400kΩ

Vcc

400kΩ

Vcc

100Ω

3 TS000

9 ENV35

+5V

5kΩ

+

+

+

+

SP320

■ 10Mbps Data Throughput

■ +5V-Only, Single Supply Operation

■ 3 Drivers, 3 Receivers – V.35

■ 4 Drivers, 4 Receivers – RS-232

■ 80-pin MQFP Surface Mount Packaging

■ Pin Compatible with SP319

DESCRIPTION

The SP320 is a complete V.35 interface transceiver offering 3 drivers and 3 receivers of V.35, and

4 drivers and 4 receivers of RS-232 (V.28). A Sipex patented charge pump allows +5V only low

power operation. RS-232 drivers and receivers are specified to operate at 120kbps, all V.35

drivers and receivers operate up to 5Mbps.

SP320

Complete +5V-Only V.35 Interface

with RS-232 (V.28) Control Lines

®