Product details

Technology family AHCT Function Digital Multiplexer Configuration 2:1 Number of channels 4 Operating temperature range (°C) -40 to 125 Rating Catalog
Technology family AHCT Function Digital Multiplexer Configuration 2:1 Number of channels 4 Operating temperature range (°C) -40 to 125 Rating Catalog
WQFN (BQB) 16 8.75 mm² (3.5 mm × 2.5 mm) TSSOP (PW) 16 32 mm² (5 mm × 6.4 mm)
  • Operating range 4.5V to 5.5V VCC
  • TTL-Compatible inputs
  • Low delay, 6ns typ (25°C, 5V)
  • Latch-up performance exceeds 250mAper JESD 17
  • Operating range 4.5V to 5.5V VCC
  • TTL-Compatible inputs
  • Low delay, 6ns typ (25°C, 5V)
  • Latch-up performance exceeds 250mAper JESD 17

The SN74AHCT257 is a quad 2-input data selector/multiplexer with 3-state outputs. Shared A/B and OE inputs controlls all channels.

The SN74AHCT257 is a quad 2-input data selector/multiplexer with 3-state outputs. Shared A/B and OE inputs controlls all channels.

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CD74ACT257 ACTIVE Quad 2-Input Non-Inverting Multiplexers with 3-State Outputs Voltage range 4.5V to 5.5V, average propagation delay 8ns, average drive strength 24mA

Technical documentation

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* Data sheet SN74AHCT257 Quad 2-Input Data Selectors/Multiplexers with Three-State Non-Inverting Outputs datasheet PDF | HTML Mar 27, 2024

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 (BQB) 16 Ultra Librarian
TSSOP (PW) 16 Ultra Librarian

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