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NA556DR from TI,Texas Instruments

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NA556DR

Manufacturer: TI, TI Pb-free

Dual Precision Timers 14-SOIC -40 to 105

Partnumber Manufacturer Quantity Availability
NA556DR TI, TI Pb-free 2835 In Stock

Description and Introduction

Dual Precision Timers 14-SOIC -40 to 105 The **NA556DR** is a versatile dual timer integrated circuit (IC) widely used in precision timing applications. As a dual version of the popular 555 timer, it consists of two independent 555 timers in a single package, offering enhanced functionality while saving board space.  

This component operates within a supply voltage range of **4.5V to 16V**, making it suitable for a variety of electronic designs. Each timer can function in **astable (oscillator) or monostable (one-shot) modes**, providing flexibility for pulse generation, time delays, and frequency modulation.  

Key features of the **NA556DR** include **low power consumption**, **high output current capability**, and **temperature stability**, ensuring reliable performance across different environments. Its **SOIC-14 package** facilitates easy integration into surface-mount PCB designs.  

Common applications include **LED flashers, tone generators, motor control circuits, and industrial automation systems**. Engineers and hobbyists favor this IC for its simplicity, robustness, and cost-effectiveness.  

When designing with the **NA556DR**, proper decoupling and layout practices should be followed to minimize noise interference and ensure accurate timing operations. Its datasheet provides essential specifications, including timing equations and recommended external component values.  

Overall, the **NA556DR** remains a fundamental choice for projects requiring precise timing control in a compact, dual-timer configuration.

Application Scenarios & Design Considerations

Dual Precision Timers 14-SOIC -40 to 105

Alternative Part Number

  • LM556CMX --: Dual 555 timer in SOIC-14, same function and pinout as NA556, widely available and directly drop-in compatible.
  • NE556D --: Dual 555 timer in SOIC-14 with equivalent timing and output characteristics, a long-established industry standard replacement.
  • TLC556CD --: CMOS dual 555 timer in SOIC-14 offering lower power consumption and improved performance, suitable for most NA556 applications.
  • LM556CMX/NOPB --: Dual 555 timer in the same SOIC-14 package with equivalent function and widely available as a drop-in replacement.
  • ICM7556IPD --: Dual CMOS 555 timer in SOIC-14 offering lower power consumption and compatible pinout for most NA556 applications.

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