參數(shù)資料
型號: SP3508
元件分類: 數(shù)字電位計
英文描述: Cermet Potentiometer; Resistance Max:50kohm; Resistance Tolerance:+/- 10 %; Power Rating:1W; Voltage Rating:350V; Series:149; Temperature Coefficient:+/-150 ppm; Resistor Element Material:Cermet; Leaded Process Compatible:Yes
中文描述: 堅固3.3,20Mbps的,8通道多協(xié)議收發(fā)器,具有可編程DCE的/ DTE和終端電阻
文件頁數(shù): 28/33頁
文件大?。?/td> 313K
代理商: SP3508
2
D
S
Recommended Signals and Port Pin Assignments
Pin
Number
31
2
32
3
33
4
34
5
35
6
36
7
37
8
38
9
39
10
40
11
41
12
42
13
43
14
44
15
45
16
46
17
Pin Mnemonic
TxD
SDEN
TxCE
TTEN
ST
STEN
RTS
RSEN
DTR
TREN
DCD_DCE
RRCEN
RL
RLEN
LL
LLEN#
RxD
RDEN#
RxC
RTEN#
TxC
TxCEN#
CTS
CSEN#
DSR
DMEN#
DCD_DTE
RRTEN#
RI
ICEN#
TM
TMEN
Circuit
Driver_1
Pin Mnemonic
SD(A)
SD(B)
TT(A)
TT(B)
ST(A)
ST(B)
RS(A)
RS(B)
TR(A)
TR(B)
RRC(A)
RRC(B)
RL(A)
Pin
Number
97
99
93
95
89
91
81
83
85
87
79
77
67
Signal
Type
V.28
Mnemo
nic
BA
DB-25
Pin(M)
2
Signal
Type
V.11
V.11
V.11
V.11
Mnemo
nic
BA(A)
BA(B)
DA(A)
DA(B)
DB-25
Pin(M)
2
12
24
11
Signal
Type
V.11
V.11
V.11
V.11
Mnemo
nic
SD(A)
SD(B)
TT(A)
TT(B)
DB-37
Pin(M)
4
22
17
35
Signal
Type
V.35
V.35
V.35
V.35
Mnemo
nic
103
103
113
113
M34
Pin(M)
P
S
U
W
Signal
Type
V.11
V.11
V.11
V.11
Mnemo
nic
T(A)
T(B)
X(A)
X(B)
DB-15
Pin(M)
2
9
7**
14**
V.28
DA
24
V.28
CA
4
V.11
V.11
V.11
V.11
CA(A)
CA(B)
CD(A)
CD(B)
4
19
20
23
V.11
V.11
V.11
V.11
RS(A)
RS(B)
TR(A)
TR(B)
7
25
12
30
V.28
105
C
V.11
V.11
C(A)
C(B)
3
10
V.28
CD
20
V.28
108
H
V.28
RL
21
V.10
RL
21
V.10
RL
14
V.28
140
N
LL(A)
65
V.28
LL
18
V.10
LL
18
V.10
LL
10
V.28
141
L
RD(A)
RD(B)
RT(A)
RT(B)
TxC(A)
TxC(B)
CS(A)
CS(B)
DM(A)
DM(B)
RRT(A)
RRT(B)
IC
50
49
52
51
55
53
57
56
59
58
62
61
63
V.28
BB
3
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
BB(A)
BB(B)
DD(A)
DD(B)
DB(A)
DB(B)
CB(A)
CB(B)
CC(A)
CC(B)
CF(A)
CF(B)
3
16
17
9
15
12
5
13
6
22
8
10
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
RD(A)
RD(B)
RT(A)
RT(B)
ST(A)
ST(B)
CS(A)
CS(B)
DM(A)
DM(B)
RR(A)
RR(B)
6
24
8
26
5
23
9
27
11
29
13
31
V.35
V.35
V.35
V.35
V.35
V.35
V.28
104
104
115
115
114
114
106
R
T
V
X
Y
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
R(A)
R(B)
B(A)
B(B)
S(A)
S(B)
I(A)
I(B)
4
11
7**
14**
6
13
5
12
V.28
DD
17
V.28
DB
15
AA
D
V.28
CB
5
V.28
CC
6
V.28
107
E
V.28
CF
8
V.28
109
F
V.28
CE
22
V.28
125
J
TM(A)
64
V.28
TM
25
V.10
TM
25
V.10
TM
18
V.28
142
NN
RS-449
V.35
X.21
Receiver_7
Receiver_8
RS-232 or V.24
EIA-530
Receiver_4
Receiver_5
Receiver_6
Driver_7
Driver_8
Driver_6
Driver_2
Driver_3
Driver_4
Driver_5
Spare drivers and receivers may be used for optional signals (Signal
Quality, Rate Detect, Standby) or may be disabled using individual
enable pins for each driver and receiver
** X.21 use either B() or
X(), not both
Pin assignments and signal functions are subject to national or regional variation and
proprietary / non-standard implementations
SP3508 Multiprotocol Configured as DTE
Interface to System Logic
Interface to Port-
Connector
Receiver_1
Receiver_2
Receiver_3
DTE CONFIGURATION
Date: 06/14/04
SP3508 Enhanced WAN Multi–Mode Serial Transceiver
Copyright 2004 Sipex Corporation
28
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