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SN54HC21

Texas Instruments
Part Number SN54HC21
Manufacturer Texas Instruments
Description DUAL 4-INPUT POSITIVE-AND GATES
Published Jan 29, 2020
Detailed Description SN74HC21, SN54HC21 SCLS087F – DECEMBER 1982 – REVISED JUNE 2021 SNx4HC21 Dual 4-Input AND Gates 1 Features • Buffered i...
Datasheet PDF File SN54HC21 PDF File

SN54HC21
SN54HC21

Overview
SN74HC21, SN54HC21 SCLS087F – DECEMBER 1982 – REVISED JUNE 2021 SNx4HC21 Dual 4-Input AND Gates 1 Features • Buffered inputs • Wide operating voltage range: 2 V to 6 V • Wide operating temperature range: -40°C to +85°C • Supports fanout up to 10 LSTTL loads • Significant power reduction compared to LSTTL logic ICs 2 Applications • Combining power good signals • Enable digital signals 3 Description This device contains two independent 4-input AND gates.
Each gate performs the Boolean function Y = A ● B ● C ● D in positive logic.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SN74HC21D SOIC (14) 8.
70 mm × 3.
90 mm SN74HC21N PDIP (14) 19.
30 mm × 6.
40 mm SN74HC21NS SO (14) 10.
20 mm × 5.
30 mm SN74HC21PW TSSOP (14) 5.
00 mm × 4.
40 mm SN54HC21J CDIP (14) 21.
30 mm × 7.
60 mm SN54HC21FK LCCC (20) 8.
90 mm × 8.
90 mm (1) For all available packages, see the orderable addendum at the end of the data sheet.
1 1A 2 1B 3 NC 4 1C 5 1D 6 1Y 7 GND 14 VCC 13 2D 12 2C 11 N...


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