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74HCT147 Datasheet High-speed CMOS Logic

Manufacturer: Texas Instruments

Overview: Data sheet acquired from Harris Semiconductor SCHS149F September 1997 - Revised November 2003 CD54HC147, CD74HC147, CD74HCT147 High-Speed CMOS Logic 10- to 4-Line Priority Encoder [ /Title (CD74 HC147 , CD74 HCT14 7).

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The ’HC147 and CD74HCT147 are high speed silicon-gate CMOS devices and are pin-compatible with low power Schottky TTL (LSTTL).

The ’HC147 and CD74HCT147 9-input priority encoders accept data from nine active LOW inputs (l1 to l9) and provide binary representation on the four active LOW inputs (Y0 to Y3).

A priority is assigned to each input so that when two or more inputs are simultaneously active, the input with the highest priority is represented on the output, with input line l9 having the highest priority.

Key Features

  • Buffered Inputs and Outputs.
  • Typical Propagation Delay: CL = 15pF, TA = 25oC 13ns at VCC = 5V,.
  • Fanout (Over Temperature Range) - Standard Outputs.
  • 10 LSTTL Loads - Bus Driver Outputs.
  • . . . 15 LSTTL Loads.
  • Wide Operating Temperature Range . . . -55oC to 125oC.
  • Balanced Propagation Delay and Transition Times.
  • Significant Power Reduction Compared to LSTTL Logic ICs.
  • HC Types -.

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Similar Datasheet

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