SP319 Datasheet, PDF (1/14 Pages) Sipex Corporation – 20Mbps, 5V-Only V.35 Interface with RS-232 V.28 Control Lines

®
SP319
20Mbps, +5V-Only V.35 Interface
with RS-232 (V.28) Control Lines
s 20Mbps V.35 Data Throughput
s +5V-Only, Single Supply Operation
s 3 Drivers, 3 Receivers – V.35
s 4 Drivers, 4 Receivers – RS-232
s Improved V.35 Receiver Propagation
Delays
s No External V.35 Termination
Resistors Required
s Termination Disable for V.35
s 80-pin QFP Surface Mount Packaging
s Pin Compatible with SP320
DESCRIPTION
The SP319 is a complete V.35 interface transceiver offering 3 drivers and 3 receivers for
V.35, and 4 drivers and 4 receivers for 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 10Mbps.
Typical Applications Circuit
+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
27
VDD
SP319
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
75 ENT
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
Pinout
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
SP319
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
SP319DS/08
SP319 20Mbps, +5V-Only V.35 Interface with RS-232 (V.28) Control Lines
1
© Copyright 2000 Sipex Corporation