Texas Instruments TLC555CPS
- Part Number:
- TLC555CPS
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6382758-TLC555CPS
- Description:
- 2.1-MHz, 250-μA, Low-Power Timer
- Datasheet:
- tlc555
- FunctionGeneral-purpose timer
- Iq (typ) (mA)0.25
- RatingCatalog
- Operating temperature range (°C)-40 to 125
- Supply voltage (max) (V)15
- Supply voltage (min) (V)2
The TLC555 is a monolithic timing circuit fabricated using the TILinCMOS™ process. The timer is fully compatiblewith CMOS, TTL, and MOS logic and operates at frequencies up to 2 MHz. Because of its high inputimpedance, this device supports smaller timing capacitors than those supported by the NE555 orLM555. As a result, more accurate time delays and oscillations are possible. Power consumption islow across the full range of power-supply voltage.
Like the NE555, the TLC555 has a trigger level equal to approximately one-third of thesupply voltage and a threshold level equal to approximately two-thirds of the supply voltage. Theselevels can be altered by use of the control voltage terminal (CONT). When the trigger input (TRIG)falls below the trigger level, the flip-flop is set and the output goes high. If TRIG is above thetrigger level and the threshold input (THRES) is above the threshold level, the flip-flop is resetand the output is low. The reset input (RESET) can override all other inputs and can be used toinitiate a new timing cycle. If RESET is low, the flip-flop is reset and the output is low.Whenever the output is low, a low-impedance path is provided between the discharge terminal (DISCH)and GND. All unused inputs must be tied to an appropriate logic level to prevent falsetriggering.
2.1-MHz, 250-µA, Low-Power Timer 8-SO 0 to 70
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