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TLC555QDR The Texas Instruments TLC555QDR is a versatile CMOS timer IC capable of operating at frequencies up to 2.1MHz. It supports a wide supply voltage range and is housed in an 8-pin SOIC package.
Mfr Part #:

TLC555QDR

Available from 7 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TLC555QDR is a versatile CMOS timer IC capable of operating at frequencies up to 2.1MHz. It supports a wide supply voltage range and is housed in an 8-pin SOIC package.
✓ Total Stock: 181,464 pcs
$ Price Range: $0.29

TLC555QDR Available from 7 distributors

✓ Authorised
✓ Non-Authorised
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TLC555QDR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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TLC555QDR Description

Short technical summary and product information.

The TLC555QDR from Texas Instruments is a monolithic CMOS timing circuit designed for applications requiring precise timing and oscillation. It operates at frequencies up to 2.1MHz and supports a wide supply voltage range from 2V to 15V, making it suitable for various electronic designs.

 

This timer IC features very low power consumption, typically 1mW at 5V, and a CMOS output capable of swinging rail-to-rail. Its high input impedance allows for smaller timing capacitors compared to older NE555 or LM555 devices, enabling more accurate time delays and oscillations. The TLC555QDR is functionally interchangeable with the NE555 and shares the same pinout.

 

Packaged in an 8-pin SOIC, the TLC555QDR is designed for surface mounting. It operates within a temperature range of -40°C to 125°C. The device is also available in Q-temp automotive high-reliability applications, indicating its suitability for demanding environments.

TLC555QDR Quick Information

Product Type: Timer/Oscillator
Canonical Name: TLC555 CMOS Timer
Subcategory: Programmable Timers

TLC555QDR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TLC555QDR Estimated Pricing

Qty Low High
1+ $0.29 $0.29

Estimated market price range - modelled values for guidance only, not live distributor offers.

TLC555QDR Features

  • 2.1-MHz CMOS timer IC.
  • Wide 2V to 15V supply voltage.
  • Low power consumption.
  • Surface mount 8-SOIC package.
  • Operates -40°C to 125°C.

TLC555QDR Applications

  • Ideal for precise timing circuits.
  • Suitable for oscillation generation.
  • Used in low-power applications.
  • Compatible with CMOS, TTL, and MOS logic.

TLC555QDR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TLC555QDR?

The TLC555QDR operates from 2V to 15V.

What is the maximum frequency of the TLC555QDR timer IC?

The TLC555QDR has a maximum frequency of 2.1MHz.

What is the operating temperature range for the TLC555QDR?

The TLC555QDR operates from -40°C to 125°C.

What type of package is the TLC555QDR in?

The TLC555QDR is available in an 8-SOIC package.

What is the mounting type for the TLC555QDR?

The TLC555QDR is a surface mount device.

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