SP319 Datasheet, PDF (10/14 Pages) Sipex Corporation – 20Mbps, 5V-Only V.35 Interface with RS-232 V.28 Control Lines

V_CC = +5V
+
C_{1 –}
+10V
+
C_{2 –}
C₄
+ – _{VDD Storage Capacitor}
– + _{VSS Storage Capacitor}
C₃
Figure 21. Charge Pump Phase 1
V_CC = +5V
+
C_{1 –}
+
C_{2 –}
–10V
C₄
+ – _{VDD Storage Capacitor}
– + _{VSS Storage Capacitor}
C₃
Figure 23. Charge Pump Phase 3
V_CC = +5V
+
C_{1 –}
–5V
+5V
+
C_{2 –}
–5V
C₄
+ – _{VDD Storage Capacitor}
– + _{VSS Storage Capacitor}
C₃
Figure 22. Charge Pump Phase 2
V_CC = +5V
+
C_{1 –}
–5V
+5V
+
C_{2 –}
–5V
C₄
+ – _{VDD Storage Capacitor}
– + _{VSS Storage Capacitor}
C₃
Figure 24. Charge Pump Phase 4
+5V
0.1µF _0.1µF
1N5819
0.1µF
28 31 25 27 26 30
C2+ C2- VCC VDD C1+ C1- 32 0.1µF
VSS
SP319CF
P
DRIN1
S
14
DRIN3
15
DRIN2
22
RCOUT3
79
U
W
A
Y
AA
RCOUT2
X
20
V
RCOUT1
T
1
R
T2IN
H
16
T1IN
C
13
T3IN
N
17
T4IN
L
24
R2OUT
E
78
R1OUT
D
80
R3OUT
F
19
R4OUT
NN
21
B
TxD (103)
TxC (113)
TxCC (114)
RxC (115)
RxD (104)
DTR (108)
RTS (105)
RL (140)
LL (141)
DSR (107)
CTS (106)
DCD (109)
TM (142)
P
S
U
W
A
Y
AA
X
V
T
R
H
C
N
L
E
D
F
NN
B
29, 34, 43, 60, 64, 72
ISO2593
34-PIN DTE/DCE
INTERFACE CONNECTOR
ISO2593
34-PIN DTE/DCE
INTERFACE CONNECTOR
+5V
0.1µF _0.1µF
1N5819
0.1µF
28 31 25 27 26 30
C2+ C2- VCC VDD C1+ C1- 32
VSS
0.1µF
SP319CF
RCOUT1
14
RCOUT2
20
RCOUT3
79
DRIN2
22
DRIN3
15
DRIN1
14
R2OUT
78
R1OUT
80
R4OUT
21
R3OUT
19
T2IN
16
T1IN
13
T3IN
17
T4IN
24
29, 34, 43, 60, 64, 72
Figure 25. Typical DTE-DCE V.35 Connection using the SP319
SP319DS/08
SP319 20Mbps, +5V-Only V.35 Interface with RS-232 (V.28) Control Lines
10
© Copyright 2000 Sipex Corporation