SP3508EB Exar Corporation, SP3508EB Datasheet - Page 24

• Manufacturer Part Number: SP3508EB
• Description: LIN Transceivers 20Mbps Multiprotocol Transceiver 8Ch 3.3V
• Manufacturer: Exar Corporation
• Series: -r

Specifications of SP3508EB

• Main Purpose: Interface, Transceiver RS-232, RS-449, EIA-530(A), X.21
• Embedded: No
• Utilized Ic / Part: SP3508
• Primary Attributes: Internal Line or Digital Loopback Testing
• Secondary Attributes: 8 Drivers and 8 Receivers
• Lead Free Status / Rohs Status: Details

Figure 44. Functional Diagram
V.35 MODE
V.11 MODE
RECEIVER TERMINATION NETWORK
RX ENABLE
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (50)668-707 • www.exar.com
(See pinout assignments for
GND and V
RD(a)
RD(b)
RT(a)
RT(b)
RRT(a)
RRT(b)
TxC(a)
TxC(b)
CS(a)
CS(b)
DM(a)
DM(b)
TM(a)
51ohms
51ohms
124ohms
IC
CC
DCD_DTE
pins)
RRTEN
TxCEN
RDEN
DMEN
RTEN
CSEN
TMEN
ICEN
RxD
RxC
DSR
CTS
TxC
TM
+3.3V
RI
C
VDD
1mF
13
76
29
50
39
10
49
52
40
11
51
55
41
12
53
57
42
56
59
43
14
58
62
44
15
61
63
45
16
64
46
17
18
19
20
21
22
30
AV
V
D0
D1
LOOPBACK
D2
TERM-OFF
D-LATCH
DD
CC
+3.3V
V
CC
(decoupling capacitor not shown)
Regulated Charge Pump
74
SP3508
24
C1+
C1
1mF
Inverter
GND
C1-
70
C2+
72
C2
1mF
C2-
V.10-GND
69
AGND
V
V
SS1
SS2
C3+
C3-
27
26
24
68
31
97
99
2
32
93
95
3
33
89
91
4
34
81
83
35
85
87
36
79
77
7
37
67
8
38
65
9
60
28
5
6
1mF
1mF
1mF
V.35 DRIVER TERMINATION NETWORK
TX ENABLE
V.35 MODE
C3
C
C
VSS2
VSS1
TxD
SD(a)
SD(b)
SDEN
TxCE
TT(a)
TT(b)
TTEN
ST
ST(a)
ST(b)
STEN
RTS
RS(a)
RS(b)
RSEN
DTR
TR(a)
TR(b)
TREN
DCD_DCE
RRC(a)
RRC(b)
RRCEN
RL
RL(a)
RLEN
LL
LL(a)
LLEN
SP3508_00_072208
51ohms
51ohms
124ohms