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SN74HC21NSR Datasheet(PDF) 1 Page - Texas Instruments |
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SN74HC21NSR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 16 page SN54HC21, SN74HC21 DUAL 4INPUT POSITIVEAND GATES SCLS087E − DECEMBER 1982 − REVISED AUGUST 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 10 LSTTL Loads D Low Power Consumption, 20-µA Max ICC D Typical tpd = 11 ns D ±4-mA Output Drive at 5 V D Low Input Current of 1 µA Max 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1A 1B NC 1C 1D 1Y GND VCC 2D 2C NC 2B 2A 2Y SN54HC21 ...J OR W PACKAGE SN74HC21 . . . D, N, NS, OR PW PACKAGE (TOP VIEW) 32 1 20 19 910 11 1213 4 5 6 7 8 18 17 16 15 14 2C NC NC NC 2B NC NC 1C NC 1D SN54HC21 . . . FK PACKAGE (TOP VIEW) NC − No internal connection description/ordering information These devices contain two independent 4-input AND gates. They perform the Boolean function Y + A • B • C • Dor Y + A ) B ) C ) D in positive logic. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP − N Tube of 25 SN74HC21N SN74HC21N Tube of 50 SN74HC21D SOIC − D Reel of 2500 SN74HC21DR HC21 −40 °C to 85°C SOIC − D Reel of 250 SN74HC21DT HC21 −40 °C to 85°C SOP − NS Reel of 2000 SN74HC21NSR HC21 Tube of 90 SN74HC21PW TSSOP − PW Reel of 2000 SN74HC21PWR HC21 TSSOP − PW Reel of 250 SN74HC21PWT HC21 CDIP − J Tube of 25 SNJ54HC21J SNJ54HC21J −55 °C to 125°C CFP − W Tube of 150 SNJ54HC21W SNJ54HC21W −55 C to 125 C LCCC − FK Tube of 55 SNJ54HC21FK SNJ54HC21FK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright 2003, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. On products compliant to MILPRF38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. |
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