74HC20 DUAL 4-INPUT NAND GATE SOP-14

Description

74HC20 DUAL 4-INPUT NAND GATE SOP-14 The 74HC20 is an high speed CMOS DUAL 4-INPUT NAND GATE fabricated with silicon gate C2MOS technology. The internal circuit is composed of 3-stage including buffered output, which gives high noise immunity and stable output. Features HIGH SPEED: t PD = 9ns (TYP.) at V CC = 6V LOW POWER DISSIPATION: I CC = 1μA(MAX.) at T A =25°C HIGH NOISE IMMUNITY: V NIH = V NIL = 28% V CC (MIN.) SYMMETRICAL OUTPUT IMPEDANCE: |I OH | = I OL = 4mA (MIN) at V CC = 4.5V BALANCED PROPAGATION DELAYS: t PLH ≅ t PHL WIDE OPERATING VOLTAGE RANGE: V CC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 20 PINOUT PIN No SYMBOL NAME AND FUNCTION 1, 9 1A to 2A Data Inputs 2, 10 1B to 2B Data Inputs 3, 11 N.C. Not Connected 4, 12 1C to 2C Data Inputs 5, 13 1D to 2D Data Inputs 6, 8 1Y to 2Y Data Outputs 7 GND Ground (0V) 14 V CC Positive Supply Voltage TRUTH TABLE A B C D Y L X X X H X L X X H X X L X H X X X L H H H H H L Specifications RECOMMENDED OPERATING CONDITIONS Symbol Parameter Value Unit V CC Supply Voltage 2 to 6 V V I Input Voltage 0 to V CC V V O Output Voltage 0 to V CC V T op Operating Temperature -55 to 125 °C t r , t f Input Rise and Fall Time V CC = 2.0V 0 to 1000 ns V CC = 4.5V 0 to 500 ns V CC = 6.0V 0 to 400 ns Applications Digital logic and combinational circuit design. Multi-condition logic evaluation systems. Microcontroller and digital interface circuits. Industrial control and embedded systems. High-density PCB and SMD electronics. Documents Datasheet 74HC20 CAD Files Download

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