参数资料
型号: SP503EM-L
厂商: Exar Corporation
文件页数: 1/28页
文件大小: 0K
描述: IC TXRX MULTIPROTOCOL 80LQFP
标准包装: 84
类型: 收发器
驱动器/接收器数: 7/7
规程: 多协议
电源电压: 5V
安装类型: 表面贴装
封装/外壳: 80-LQFP
供应商设备封装: 80-LQFP(14x14)
包装: 托盘
1
SP503_101_101508
SP503 Multiprotocol Transceiver
Copyright 2008 Exar Corporation
■ Single Chip Programmable Serial
Transceiver
■ Seven (7) Drivers and Seven (7)
Receivers
■ Software-Selectable Industry Standard
Protocols:
— RS-232 (V.28)
— EIA-530
— RS-449
— RS-422A (V.11, X.27)
— RS-485
— V.35
■ Independant Driver and Receiver Mode
Selection
■ +5V Single Power Supply Operation
■ Surface Mount Packaging
SP503
Charge
Pump
Receiver
Decode
Driver
Decode
Receivers
Drivers
DESCRIPTION
The SP503 is a highly integrated serial transceiver that allows software control of its interface
modes. It offers hardware interface modes for RS-232 (V.28), RS-422A (V.11), RS-449, RS-485,
V.35, and EIA-530. The SP503 is fabricated using low–power BiCMOS process technology, and
incorporates a Exar patented (5,306,954) charge pump allowing +5V only operation.
Now Available in Lead Free Packaging
RxD 1
RDEC0 2
RDEC1 3
RDEC2 4
RDEC3 5
TTEN 6
SCTEN 7
VCC 8
TDEC3 9
TDEC2 10
TDEC1 11
TDEC0 12
DTR 13
TxD 14
TxC 15
RTS 16
RL 17
NC 18
DCD 19
RxC 20
RI
21
ST
22
STEN
23
LL
24
V
CC
25
C
1
+
26
V
DD
27
C
2
+
28
GND
29
C
1
30
C
2
31
V
SS
32
V
CC
33
GND
34
RR(a)
35
RR(b)
36
RT(a)
37
RT(b)
38
IC(a)
39
IC(b)
40
60 GND
59 SD(b)
58 TR(a)
57 GND
56 TR(b)
55 VCC
54 RS(a)
53 GND
52 RS(b)
51 LL(a)
50 GND
49 LL(b)
48 VCC
47 RL(a)
46 GND
45 RL(b)
44 ST(b)
43 GND
42 ST(a)
41 VCC
80
CTS
79
SCT
78
DSR
77
SCT(b)
76
SCT(a)
75
GND
74
V
CC
73
V
CC
72
GND
71
RD(b)
70
RD(a)
69
DM(b)
68
DM(a)
67
CS(b)
66
CS(a)
65
TT(b)
64
GND
63
TT(a)
62
V
CC
61
SD(a)
SP503
Multiprotocol Transceiver
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