TLC77 Micropower Supply Voltage Supervisors Texas Instruments TLC77 Micropower Supply Voltage Supervisors provide reset control, primarily in microcomputer and microprocessor systems. The TLC77 micropower supply voltage supervisors feature a precision voltage sensor as well as a power-on reset generator and automatic reset generation after voltage drop. The Texas Instruments TLC77 voltage supervisors offer a supply voltage range of 2V to 6V and can operate over a -55ºC to 125ºC temperature range.