参数资料
型号: SP331ET-L/TR
厂商: Exar Corporation
文件页数: 10/13页
文件大小: 0K
描述: IC TXRX RS232/485 PROG 28WSOIC
标准包装: 1,500
类型: 收发器
驱动器/接收器数: 4/4
规程: RS232,RS485
电源电压: 5V
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC W
包装: 带卷 (TR)
6
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP33_00_0260
Figure 7. Typical RS-232 Driver Output
Figure 8. Typical RS-485 Driver Output
TTL
INPUT
DRIVER
OUTPUT
TTL
Input
Driver Output A
Driver Output B
Differential
Output
VA -VB
Figure 9. SP33 Pinout
TI4
SEL_B
TX4
TX3
VCC
TX1
TX2
GND
C1+
V+ (VDD)
C2+
C1–
C2–
V– (VSS)
TI3
TI2
TI1
SEL_C
SEL_A
SEL_D
RX4
RX3
RX2
RX1
RI4
RI3
RI2
RI1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
SP331
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