ST75185 ST Microelectronics, ST75185 Datasheet - Page 9

• Manufacturer Part Number: ST75185
• Description: MULTIPLE RS-232 DRIVERS AND RECEIVERS
• Manufacturer: ST Microelectronics

Receiver Threshold vs Supply Voltage
APPLICATION INFORMATION: DIODES ON POWER SUPPLY
Diodes placed in series with the V
the devices output are shorted to
low-impedance path to ground (see Figure below)
Output
Output shorted
to 15V
ST75185
DD
Output
and V
15V and the power supplies are at low state and provide
SS
leads protect the ST75185 in the fault condition in which
ST75185
+V
-V
SS
DD
Low impedance
in the power off
condition.
ST75185
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