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SN74ACT125

ACTIVE

4-ch buffers with TTL compatible inputs and 3-state outputs (differentiate from ACT126)

Product details

Rating Catalog Operating temperature range (°C) to
Rating Catalog Operating temperature range (°C) to
WQFN (BQA) 14 7.5 mm² (3 mm × 2.5 mm) TSSOP (PW) 14 32 mm² (5 mm × 6.4 mm)
  • Operating voltage range of 4.5V to 5.5V
  • TTL-compatible inputs
  • Continuous ±24mA output drive at 5V
  • Supports up to ±75mA output drive at 5Vin short bursts
  • Drives 50Ω transmission lines
  • Fast operation with delay of 8.7ns
  • Operating voltage range of 4.5V to 5.5V
  • TTL-compatible inputs
  • Continuous ±24mA output drive at 5V
  • Supports up to ±75mA output drive at 5Vin short bursts
  • Drives 50Ω transmission lines
  • Fast operation with delay of 8.7ns

The SN74ACT125 contains four independent 3-state buffers.

The SN74ACT125 contains four independent 3-state buffers.

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SN74AHCT125 ACTIVE 4-ch, 4.5-V to 5.5-V buffers with TTL-compatible CMOS inputs and 3-state outputs Voltage range 4.5V to 5.5V, average propagation delay 9ns, average drive strength 8mA

Technical documentation

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* Data sheet SN74ACT125 Quadruple Bus Buffer Gates With 3-State Outputs datasheet PDF | HTML Nov 3, 2025

Design & development

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Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

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Evaluation board

14-24-NL-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin non-leaded packages

14-24-NL-LOGIC-EVM is a flexible evaluation module (EVM) designed to support any logic or translation device that has a 14-pin to 24-pin BQA, BQB, RGY, RSV, RJW or RHL package.

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Package Pins CAD symbols, footprints & 3D models
WQFN (BQA) 14 Ultra Librarian
TSSOP (PW) 14 Ultra Librarian

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