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 s s s s s s s s
20Mbps V.35 Data Throughpu...
Description
®
SP319 20Mbps, +5V-Only V.35 Interface with RS-232 (V.28) Control Lines
s s s s s s s s s
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 C128 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 400kΩ
54 T2OUT 17 T3IN
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 ...
Similar Datasheet