TLC3555 & TLC3555-Q1 High-Speed CMOS Timers

Texas Instruments TLC3555 and TLC3555-Q1 High-Speed CMOS Timers are monolithic timing circuits fabricated using a TI CMOS process. These timers are fully compatible with CMOS, TTL, and MOS logic and operate at frequencies up to 3MHz and beyond. The TLC3555 and TLC3555-Q1 improve upon the existing TLC555-Q1 from both a performance and feature standpoint, with tighter specification tolerances and additional features, such as thermal shutdown and power-on reset. The trigger, threshold, and reset logic of the TLC3555-Q1 follow the same truth table as the TLC3555 and TLC555-Q1. Set the reset pin (RESET) high for typical operation, or set it low to reset the flip-flop and force the output low. The TLC3555 and TLC3555-Q1 features an internal pull-up resistor from RESET to VDD, which can reduce passive count and save board area. The TLC3555-Q1 devices are AEC-Q100 qualified for automotive applications.