NEW

SN74AHCT3G99

ACTIVE

Ultra-configurable multifunction 3ch gate with 3-state outputs

SN74AHCT3G99

ACTIVE

Product details

Rating Catalog Operating temperature range (°C) to
Rating Catalog Operating temperature range (°C) to
VSSOP (DGS) 20 24.99 mm² (5.1 mm × 4.9 mm) VQFN (RKS) 20 11.25 mm² (4.5 mm × 2.5 mm) TSSOP (PW) 20 41.6 mm² (6.5 mm × 6.4 mm)
  • Supply operating range 4.5V to 5.5V
  • TTL-Compatible inputs
  • Low delay, 11.7ns max at 5V, 50pF load
  • Latch-up performance exceeds 100mAper JESD 17
  • Supply operating range 4.5V to 5.5V
  • TTL-Compatible inputs
  • Low delay, 11.7ns max at 5V, 50pF load
  • Latch-up performance exceeds 100mAper JESD 17

The SN74AHCT3G99 device contains three independent configurable logic gates with 3-state outputs. Each gate has four inputs and performs the Boolean function Y = (A • C + B • C) ⊕ D. All inputs include Schmitt-triggers, eliminating any erroneous data outputs due to slow-edged or noisy input signals. The user can choose logic functions, such as MUX, AND, OR, NAND, NOR, XOR, XNOR, inverter, and buffer by connecting the inputs A, B, C, and D appropriately.

The SN74AHCT3G99 device contains three independent configurable logic gates with 3-state outputs. Each gate has four inputs and performs the Boolean function Y = (A • C + B • C) ⊕ D. All inputs include Schmitt-triggers, eliminating any erroneous data outputs due to slow-edged or noisy input signals. The user can choose logic functions, such as MUX, AND, OR, NAND, NOR, XOR, XNOR, inverter, and buffer by connecting the inputs A, B, C, and D appropriately.

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Technical documentation

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* Data sheet SN74AHCT3G99 Triple Ultra-Configurable Multiple-Function Gates With 3-State Outputs and Schmitt-Trigger TTL-Compatible Inputs datasheet PDF | HTML Nov 11, 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.

User guide: PDF | HTML
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Package Pins CAD symbols, footprints & 3D models
VSSOP (DGS) 20 Ultra Librarian
VQFN (RKS) 20 Ultra Librarian
TSSOP (PW) 20 Ultra Librarian

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