ST75185CDR STMicroelectronics, ST75185CDR Datasheet - Page 3

• Manufacturer Part Number: ST75185CDR
• Description: IC DRVR/RCVR MULT RS232 20-SOIC
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST75185CDR

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Data Rate: 0.12 Mbps
• Interface: EIA/TIA-232-E. RS-232. V.28
• Minimum Operating Temperature: - 55 C
• Supply Current: 30 mA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2121-2

1
Figure 1.
Table 2.
Pin n°
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
Pin configuration
Pin connection IEC logic symbol and logic diagram
Pin description
Symbol
GND
RA1
RA2
RA3
RA4
RA5
RY5
DA3
RY4
DA2
DA1
RY3
RY2
RY1
V
DY1
DY2
DY3
V
V
DD
CC
SS
Doc ID 6228 Rev 18
Supply voltage (+12 V)
First receiver input
Second receiver input
Third receiver input
First driver output
Second driver output
Fourth receiver input
Third driver output
Fifth receiver input
Supply voltage (-12V)
Ground
Fifth receiver output
Third driver input
Fourth receiver output
Second driver input
First driver input
Third receiver output
Second receiver output
First receiver output
Supply voltage (+5 V)
Name and function
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