SN54HC20J .. ,Dual 4-Input Positive-NAND Gates/sc/package.Please be aware that an important notice concerning availability, standard warranty, an ..
SN54HC21J ,Dual 4-Input Positive-AND Gatesmaximum ratings” may cause permanent damage to the device. These are stress ratings only, andfuncti ..
SN54HC240J ,Octal Buffers And Line Drivers With 3-State Outputs SCLS128D − DECEMBER 1982 − REVISE ..
SN54HC241J ,Octal Buffers And Line Drivers With 3-State Outputsmaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
SN54HC241J ,Octal Buffers And Line Drivers With 3-State Outputsmaximum ratings” may cause permanent damage to the device. These are stress ratings only, andfuncti ..
SN54HC244J ,Octal Buffers And Line Drivers With 3-State OutputsLogic Diagram (Positive Logic)1912OE1OE1192181Y12A11Y11A113 74 161Y12A21Y11A215 56 141Y12A31Y11A317 ..
SN74F245N ,Octal bus transceiversmaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
SN74F245NSR ,Octal bus transceiverslogic diagram (positive logic)191OE G3 DIR1DIR 3EN1[BA]193EN2[AB] OE2 18A1 1 B1 2A123 17A2 B2184 16 ..
SN74F251 , 1-OF-8 DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
SN74F251B ,1-of-8 Data Selectors/Multiplexers With 3-State Outputs SDFS066A − MARCH 1987 − REVIS ..
SN74F251BDR ,1-of-8 Data Selectors/Multiplexers With 3-State Outputsmaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
SN74F253 ,Dual 1-of-4 Data Selectors/Multiplexers With 3-State Outputslogic diagram (positive logic)11G61C051C171YData 141C231C32BSelect14A102C0112C1Data 292Y122C2132C31 ..
8403901CA-JM38510/65003BCA-SN54HC20J-SN54HC20J ..
Dual 4-Input Positive-NAND Gates
GND
VCC
SN74HC20... D, DB, N, NS, OR PW PACKAGE
(TOP VIEW)1ANC2A2D
GND
(TOP VIEW)NC − No internal connection
description/ordering informationThe ’HC20 devices contain two independent 4-input NAND gates. They perform the Boolean function
Y = A • B • C • D or Y = A + B + C + D in positive logic.
ORDERING INFORMATION†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.
