Trigger Output TTL

Pin 1 and 2 can be used to send TTL trigger output signals (5 V).

Schematic Circuit Diagram:

Electrical Characteristics of the Physical Outputs:

Electrical

Minimum

Typical

Maximum

Unit

Output voltage high (VOH) 3.8   5 V
Output voltage low (VOL)     0.58 V
Output current (IO)     18 mA

5V Out (max. current 500 mA): The Front GPOI offers a voltage out pin that provides 5 V. It can be used for a current of maximal 500 mA.

Timing Characteristics of the Physical Outputs:

Timing

Minimum

Typical

Maximum

Unit

Rise Time/
Fall Time
  2.5   ns

Refer to Texas Instruments Data Sheets

 

For details on the electrical and timing characteristics of the Front GPIO outputs, refer to the TI SN74LVC1G97 data sheet for details.

For details on the RS 485 transceiver, refer to the TI SN65HVD1176 data sheet for details.