8-LINE TO 3-LINE PRIORITY ENCODERS
SN54HC148, SN74HC148
SCLS109H – APRIL 2004 – REVISED MARCH 2022
SNx4HC148 8-Line to 3-Line Priority Encoders
1 Features...
Description
SN54HC148, SN74HC148
SCLS109H – APRIL 2004 – REVISED MARCH 2022
SNx4HC148 8-Line to 3-Line Priority Encoders
1 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 Applications
N-Bit encoding Code converters and generators
3 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.
Functional Block Diagram
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA.
SN54HC148, SN74HC148
SCLS109H – APRIL 2004 – REVISED MARCH 2022
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Table of Contents
1 Features............................................................................1 2 Applications..................................................................... 1 3 Descripti...
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