SP507 Datasheet, PDF (18/28 Pages) Sipex Corporation – +5V, Single Chip WAN Multi-Mode Serial Transceiver

(SEE PINOUT FOR V_CC PINS)
+5V
10µF
1N5819
22µF
22µF
22µF
25
27 26 30 28 31
VCC VDD C1+ C1- C2+ C2-
Charge Pump
32
VSS
22µF
RD(a) 70
RxD 1
A
RD(b) 71
RT (a) 37
RxC 20
A
RTEN 2
RT(b) 38
CS(a) 66
CTS 80
CS(b) 67
DM(a) 68
DSR 78
DM(b) 69
RR(a) 35
DCD 19
RREN 3
RR(b) 36
TM(a) 39
TM 21
TMEN 4
TM(b) 40
SCT(a) 76
DTE_ST 79
A
SCTEN 7
SCT(b) 77
14 TxD
61 SD(a)
B _{59 SD(b)}
13 DTR
58 TR(a)
56 TR(b)
16 RTS
54 RS(a)
52 RS(b)
17 RL
47 RL(a)
45 RL(b)
18 RLEN
24 LL
51 LL(a)
49 LL(b)
5 LLEN
22 DCE_ST
42 ST(a)
B _{44 ST(b)}
23 STEN
15 TxCE
63 TT(a)
B _{65 TT(b)}
6 TTEN
9 TERM_OFF
M2 10
M1 11
M0 12
LATCH 8
SP507
A — Receiver Tri-State circuitry
V.11, & V.35 termination
resistor circuitry (RxD,
RxC & DTE_S.T)
B — Driver Tr-State circuitry &
V.35 Termination circuitry
(TxD, TxCE & DCE_ST)
(SEE PINOUT ASSIGNMENTS FOR GROUND PINS)
Figure 45. Typical Operating Circuit
SP507_100_081208
SP507 Multi–Mode Serial Transceiver
18
© Copyright 2008 Exar Corporation