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Texas Instruments SN74AHCT540/-Q1 Octal Buffers/Drivers

Texas Instruments SN74AHCT540/-Q1 Octal Buffers/Drivers offer eight inverters with 3-state outputs. The buffers/drivers feature a 540 function that has the same operation as the 240 function, but with a flow-through pinout. The active-low output enable pins (OE1 and OE2) regulate all eight channels and must both be low for the outputs to be active.

The TI SN74AHCT540-Q1 devices are AEC-Q100 qualified for automotive applications.

Features

  • AEC-Q1 00 qualified for automotive applications:
    • Device temperature grade 1: -40°C to +125°C
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Available in a wettable flank QFN package
  • Operating range 4.5V to 5.5V VCC
  • TTL-compatible inputs
  • Low delay, 7.3ns max
  • Latch-up performance exceeds 250mA per JESD 17

Applications

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

Functional Block Diagram

Block Diagram - Texas Instruments SN74AHCT540/-Q1 Octal Buffers/Drivers

Dev Tools

Texas Instruments 14-24-LOGIC-EVM Logic Evaluation Module (EVM)

Generic evaluation module developed to support any TI logic leaded device in a 14 to 24 pin count.

Learn Moretungkol sa Texas Instruments 14-24-LOGIC-EVM Logic Evaluation Module (EVM) View Productskaugnay ng Texas Instruments 14-24-LOGIC-EVM Logic Evaluation Module (EVM)

Texas Instruments 14-24-NL-LOGIC-EVM Logic Evaluation Module (EVM)

Supports any logic or translation device in a BQA, BQB, RGY (14-24 pin), RSV, RJW, or RHL package.

Learn Moretungkol sa Texas Instruments 14-24-NL-LOGIC-EVM Logic Evaluation Module (EVM) View Productskaugnay ng Texas Instruments 14-24-NL-LOGIC-EVM Logic Evaluation Module (EVM)
Inilathala: 2026-01-15 | Na-update: 2026-01-22