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SP506 Datasheet(PDF) 19 Page - Exar Corporation

Part # SP506
Description  5V Single Chip WAN Multi-Mode Serial Transceiver
PDF  21 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

SP506 Datasheet(HTML) 19 Page - Exar Corporation

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19
SP506_100_081208
SP506 Multi–Mode Serial Transceiver
© Copyright 2008 Exar Corporation
Figure 45. SP506 Typical Operating Circuit
RD(a) 70
RxD 1
RD(b) 71
RT(a) 37
RxC 20
RT(b) 38
CS(a) 66
CTS 80
CS(b) 67
DM(a) 68
DSR 78
DM (b) 69
RR(a) 35
DCD 19
RR(b) 36
IC(a) 39
RI 21
IC(b) 40
SCT(a) 76
SCT 79
SCTEN
7
SCT(b) 77
14 TxD
61 SD(a)
59 SD(b)
2
SDEN
22 ST
42 ST(a)
44 ST(b)
23 STEN
15 TxC
63 TT(a)
65 TT(b)
6
TTEN
13 DTR
58 TR(a)
56 TR(b)
3
TREN
16 RTS
54 RS(a)
52 RS(b)
4
RSEN
17 RL
47 RL(a)
45 RL(b)
18 RLEN
24 LL
51 LL(a)
49 LL(b)
5
LLEN
22µF
22µF
1N5819
VCC
VDD
C1-
C2-
VSS
C1+
C2+
22µF
+5V
10µF
27
25
26
31
28
30
22µF
32
9
10
11
12
1
0
1
0
RS-422 Mode
Input Word
A
B
Charge Pump
A — Receiver Tr-state circuitry,
V.11, & V.35 termination
resistor circuitry (RxD,
RxC & SCT)
.
B — Driver Tr-State circuitry &
V.35 termination circuitry
(TxD, TxC & ST).
SP506
(SEE PINOUT ASSIGNMENTS FOR GROUND PINS)
8
LATCH
(SEE PINOUT FOR V
CC PINS)



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