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See Technical Specifications

TLC555ID

2.1-MHz, 250-µA, Low-Power Timer

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

TLC555ID
Datasheet:

TLC555ID Datasheet (PDF)
Series:

LinCMOS™
Type:

555 Type, Timer/Oscillator (Single)
Frequency:

2.1MHz
Voltage - Supply:

3V ~ 15V
EDA/CAD Models:

Request Free CAD Models for TLC555ID

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TLC555ID General 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 supports smaller timing capacitors than those supported by the NE555 or LM555. 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.

Key Features

Very low power consumption:
- 1-mW typical at V_DD = 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

Specifications

Category	Integrated Circuits (ICs)Clock/TimingProgrammable Timers and Oscillators	Series	LinCMOS™
Type	555 Type, Timer/Oscillator (Single)	Count	-
Frequency	2.1MHz	Voltage - Supply	3V ~ 15V
Current - Supply	360 µA	Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount	Base Product Number	TLC555