Texas Instruments SN74ACT126 / SN74ACT126-Q1 Buffers & Drivers

Texas Instruments SN74ACT126 / SN74ACT126-Q1 Buffers and Drivers are 4-channel buffers with TTL-compatible inputs and 3-state outputs. These devices operate at an input voltage of 4.5V to 5.5V and a temperature range of -40°C to 125°C. Each gate performs the Boolean function Y = A in positive logic. The SN74ACT126 / SN74ACT126-Q1 buffer gates provide a continuous ±24mA output drive at 5V and support up to ±75mA output drive at 5V in short bursts. The SN74ACT126-Q1 devices are AEC-Q100 qualified for automotive applications. These devices are ideal for driving an indicator LED, re-driving a digital signal, driving a transmission line, and holding a signal during controller reset.

Features

  • 4.5V to 5.5V operating voltage range
  • TTL-compatible inputs
  • Continuous ±24mA output drive at 5V
  • Supports up to ±75mA output drive at 5V in short bursts
  • Drives 50Ω transmission lines
  • Fast operation with a delay of 8.7ns
  • SN74ACT126-Q1 AEC-Q100 qualified for automotive applications:
    • -40°C to 125°C Device temperature grade 1
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B

Applications

  • Drive an indicator LED
  • Redrive a digital signal
  • Drive a transmission line
  • Hold a signal during controller reset

Block Diagram

Block Diagram - Texas Instruments SN74ACT126 / SN74ACT126-Q1 Buffers & Drivers
發佈日期: 2026-01-07 | 更新日期: 2026-01-15