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74HC148 Datasheet 8-line To 3-line Priority Encoders

Manufacturer: Texas Instruments

Overview: SN54HC148, SN74HC148 SCLS109H – APRIL 2004 – REVISED MARCH 2022 SNx4HC148 8-Line to 3-Line Priority Encoders.

General Description

The SNx4HC148 is an 8-input priority encoder.

Added input enable (EI) and output enable (EO) signals allow for cascading multiple stages without added external circuitry.

PART NUMBER SN74HC148D SN74HC148N SN74HC148NS SN54HC148J SNJ54HC148FK Device Information(1) PACKAGE BODY SIZE (NOM) SOIC (16) 9.90 mm × 3.90 mm PDIP (16) 19.31 mm × 6.35 mm SO (16) 10.20 mm × 5.30 mm CDIP (16) 21.34 mm × 6.92 mm LCCC (20) 8.89 mm × 8.45 mm (1) For all available packages, see the orderable addendum at the end of the data sheet.

Key Features

  • Wide operating voltage range of 2V to 6V.
  • Outputs can drive up to 10 LSTTL loads.
  • Low power consumption, 80-μA max ICC.
  • Typical tpd = 16ns.
  • ±4-mA output drive at 5V.
  • Low input current of 1μA max.
  • Encode eight data lines to 3-line binary (Octal) 2.

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Similar Datasheet

Brand Logo Part Number Description Manufacturer
National Semiconductor Logo 74HC148 8-3 Line Priority Encoder National Semiconductor
Fairchild Logo 74HC148 8-3 Line Priority Encoder Fairchild
Hitachi Logo 74HC148 8-to-3-line Octal Priority Encoder Hitachi
STMicroelectronics Logo 74HC148 8 TO 3 LINE PRIORITY ENCODER STMicroelectronics

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