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Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
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Description
- The TLC555 is a monolithic timing circuit fabricated using the TI LinCMOS™ process. The timer is fully compatible with CMOS, TTL, and MOS logic, and operates at frequencies up to 2 MHz. Because of its high input impedance, this device uses smaller timing capacitors than those used by the NE555. As a result, more accurate time delays and oscillations are possible. Power consumption is low across the full range of power-supply voltage.
- Like the NE555, the TLC555 has a trigger level equal to approximately one-third of the supply voltage and a threshold level equal to approximately two-thirds of the supply voltage. These levels 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 the trigger level and the threshold input (THRES) is above the threshold level, the flip-flop is reset and the output is low. The reset input (RESET) can override all other inputs and can be used to initiate 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 false triggering.
- Very Low Power Consumption:
- 1 mW Typical at VDD = 5 V
- Capable of Operation in Astable Mode
- CMOS Output Capable of Swinging Rail to Rail
- High Output Current Capability
- Sink: 100 mA Typical
- Source: 10 mA Typical
- Output Fully Compatible With CMOS, TTL, and MOS
- Low Supply Current Reduces Spikes During Output Transitions
- Single-Supply Operation From 2 V to 15 V
- Functionally Interchangeable With the NE555; Has Same Pinout
- ESD Protection Exceeds 2000 V Per MIL-STD-883C, Method 3015.2
- Available in Q-Temp Automotive
- High-Reliability Automotive Applications
- Configuration Control and Print Support
- Qualification to Automotive Standards
TLC555 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Case/Package | SO-8 |
| Show | |
| Product Lifecycle Status | |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
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