Overview
The TLC555CP, produced by Texas Instruments, is a monolithic timing circuit fabricated using the TI LinCMOS™ technology. This timer is fully compatible with CMOS, TTL, and MOS logic and operates at frequencies up to 2 MHz. It is known for its low power consumption, high input impedance, and the ability to use smaller timing capacitors compared to other 555 timers like the NE555 or LM555, resulting in more accurate time delays and oscillations. The TLC555CP is highly versatile and can be used in various timing, pulse generation, and oscillator functions, making it a reliable choice for a wide range of electronic applications.
Key Specifications
| Specification | Value |
|---|---|
| Package Type | PDIP (8 pins) |
| Operating Temperature Range (°C) | 0 to 70 |
| Supply Voltage Range (V) | 2 to 15 |
| Operating Supply Current (μA) | 250 |
| Quiescent Current (μA) | 250 |
| High Level Output Current (mA) | 10 |
| Low Level Output Current (mA) | 100 |
| Frequency (MHz) | Up to 2 |
| Power Dissipation (W) | 1 |
| RoHS Status | RoHS3 Compliant |
| Lead Free | Yes |
Key Features
- 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 logic.
- 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 1000 V per ANSI/ESDA/JEDEC JS-001.
- Available in Q-temp automotive for high-reliability automotive applications.
Applications
- Precision timing scenarios, such as in microcontroller systems and digital circuits.
- Pulse generation tasks, including data communication systems and hardware interfaces.
- Sequential timing and time delay generation.
- Pulse width modulation (PWM) and pulse position modulation.
- Linear ramp generator.
- LED and lamp flashers, logic clocks, tone generation, security alarms, and more.
Q & A
- What is the TLC555CP and what technology is it based on?
The TLC555CP is a monolithic timing circuit fabricated using the TI LinCMOS™ technology.
- What is the operating frequency range of the TLC555CP?
The TLC555CP operates at frequencies up to 2 MHz.
- What is the supply voltage range for the TLC555CP?
The supply voltage range is from 2 V to 15 V.
- What are the key features of the TLC555CP's output?
The output is fully compatible with CMOS, TTL, and MOS logic, and it can swing rail to rail with high output current capability.
- How does the TLC555CP compare to the NE555 in terms of timing capacitors?
The TLC555CP uses smaller timing capacitors due to its high input impedance, resulting in more accurate time delays and oscillations.
- What are some common applications of the TLC555CP?
Applications include precision timing, pulse generation, sequential timing, PWM, and linear ramp generation.
- Is the TLC555CP suitable for automotive applications?
Yes, it is available in Q-temp automotive for high-reliability automotive applications.
- What is the power consumption of the TLC555CP?
The TLC555CP has very low power consumption, typically 1 mW at VDD = 5 V.
- Does the TLC555CP have ESD protection?
Yes, the TLC555CP has ESD protection that exceeds 1000 V per ANSI/ESDA/JEDEC JS-001.
- Is the TLC555CP RoHS compliant?
Yes, the TLC555CP is RoHS3 compliant.
