ST75185CN View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST75185CN

MULTIPLE RS-232 DRIVERS AND RECEIVERS

STMicroelectronics 

Receiver Threshold vs Supply Voltage

ST75185

APPLICATION INFORMATION: DIODES ON POWER SUPPLY

Diodes placed in series with the VDD and VSS leads protect the ST75185 in the fault condition in which

the devices output are shorted to ±15V and the power supplies are at low state and provide

low-impedance path to ground (see Figure below)

+VDD

Output

Output

ST75185

ST75185

Output shorted

to ±15V

Low impedance

in the power off

-VSS

condition.

9/12

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