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ST75185CN View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
ST75185CN MULTIPLE RS-232 DRIVERS AND RECEIVERS ST-Microelectronics
STMicroelectronics ST-Microelectronics
ST75185CN Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ST75185
APPLICATION CIRCUITS
TTL LEVEL
DCD 38
DSR 37
RXD 21
UART
(16550)
RTS 32
TXD 11
CTS 36
DTR 33
RI 39
100nF
Vcc
+5 V
ST75185
Vcc
20
Rout1
19
Rout2
18
Rout3
17
Din1
16
Di n2
15
Rout4
14
Din3
13
Rout5
12
GND
11
Vdd
1
Rin1
2
Ri n2
3
Ri n3
4
Dout1
5
Dout2
6
Rin4
7
Dout3
8
Rin5
9
Vss
10
Vdd
+12 V
RS232 LEVEL
100nF
DCD
DSR
RXD
CL
RTS
CL
TXD
CTS
CL DTR
RI
100nF
GND
1
6
2
7
3
PC Serial Port
8
4
9
5
Vss
-12V
Dib9 Serial Port Connector
To CPU
FIGURE 1: Driver Test Circuit for VOH, VOL,
ISO(H) and ISO(L)
FIGURE 2: Driver Test Circuitfor IIH and IIL
6/12
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