®
SP319
20Mbps, +5V-Only V.35 Interface
with RS-232 (V.28) Control Lines
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20Mbps V.35 Data Throughput
+5V-Only, Single Supply Operation
3 Drivers, 3 Receivers – V.35
4 Drivers, 4 Receivers – RS-232
Improved V.35 Receiver Propagation
Delays
No External V.35 Termination
Resistors Required
Termination Disable for V.35
80-pin QFP Surface Mount Packaging
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
Pinout
80 R1OUT
79 RCOUT3
78 R2OUT
77 RCB3
76 RCA3
75 NC
74 NC
73 VCC
72 GND
71 RCB1
70 RCA1
69 NC
68 R2IN
67 NC
66 R1IN
65 DRB3
64 GND
63 DRA3
62 VCC
61 DRA1
25, 33, 41, 62, 73
26
+
0.1µF
+
0.1µF
C1+
VCC
VDD
27
32
+
0.1µF
30 C1-
28 C2+
31
C2-
SP319
VSS
0.1µF
+
+5V
3 TS000
9 ENV35
75 ENT
Vcc
400kΩ
100Ω
RCA1 70
RCOUT 1
RCB1 71
RCA2 37
RCOUT2 20
RCB2 38
R1IN 66
R1OUT 80
R2IN 68
R2OUT 78
R3IN 35
5kΩ
5kΩ
100Ω
14 DRIN1
61 DRA1
Vcc
400kΩ
59 DRB1
13 T1IN
Vcc
58 T1OUT
16 T2IN
400kΩ
Vcc
54 T2OUT
17 T3IN
400kΩ
Vcc
400kΩ
47 T3OUT
24 T4IN
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
Vcc
51 T4OUT
R3OUT 19
R4IN 39
R4OUT 21
RCA3 76
5kΩ
400kΩ
42 DRA2
5kΩ
Vcc
400kΩ
44 DRB2
23 STEN
15 DRIN3
63 DRA3
65 DRB3
6 TTEN
RCOUT3 79
RTEN 7
RCB3 77
100Ω
29, 34, 43, 60, 64, 72
SP319DS/08
SP319 20Mbps, +5V-Only V.35 Interface with RS-232 (V.28) Control Lines
1
ROUT4 21
DRIN2 22
STEN 23
T4IN 24
VCC 25
C1+ 26
VDD 27
C2+ 28
GND 29
C1- 30
C2- 31
VSS 32
VCC 33
GND 34
R3IN 35
NC 36
RCA2 37
RCB2 38
R4IN 39
NC 40
22 DRIN2
© Copyright 2000 Sipex Corporation
SIPEX [ SIPEX CORPORATION ]
