SP320 Datasheet, PDF (1/12 Pages) Sipex Corporation – Complete +5V-Only V.35 Interface with RS-232 V.28 Control Lines

SP320
Complete +5V-Only V.35 Interface
with RS-232 (V.28) Control Lines
• 5Mbps Data Throughput
• +5V-Only, Single Supply Operation
• 3 Drivers, 3 Receivers – V.35
• 4 Drivers, 4 Receivers – RS-232
• 80-pin LQFP Surface Mount Packaging
• Pin Compatible with SP319
RCOUT1 1
NC 2
TS000 3
NC 4
NC 5
TTEN 6
RTEN 7
NC 8
ENV35 9
NC 10
NC 11
NC 12
T1IN 13
DRIN1 14
DRIN3 15
T2IN 16
T3IN 17
NC 18
R3OUT 19
RCOUT2 20
SP320
60 GND
59 DRB1
58 T1OUT
57 NC
56 NC
55 NC
54 T2OUT
53 NC
52 NC
51 T4OUT
50 NC
49 NC
48 NC
47 T3OUT
46 NC
45 NC
44 DRB2
43 GND
42 DRA2
41 VCC
description
Note: NC (No Connection) pins should be left floating.
Internal signals may be present.
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). An Exar 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.
+5V
+
0.1µF
+
0.1µF
+5V
26
C1+
30 _C1-
28 _C2+
31 _C2-
3 TS000
9 ENV35
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
25, 33, 41, 62, 73
VCC
SP320
27
VDD
32
VSS
0.1µF
+
+ ^0.1µF
Vcc
400kΩ
100Ω
Vcc
400kΩ
100Ω
Vcc
400kΩ
Vcc
5kΩ
400kΩ
Vcc
5kΩ
400kΩ
Vcc
5kΩ
400kΩ
5kΩ
Vcc
400kΩ
100Ω
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
23 STEN
15 DRIN3
63 DRA3
65 DRB3
6 TTEN
29, 34, 43, 60, 64, 72
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • [phone] • www.exar.com

SP320_100_092208