(PDF) HD74LVC02 Datasheet - Quad. 2-input NOR Gates

Número de pieza	HD74LVC02
Descripción	Quad. 2-input NOR Gates
Fabricantes	Hitachi Semiconductor
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No Preview Available ! HD74LVC02 Quad. 2-input NOR Gates ADE-205-061B(Z) Rev.2 September 1995 Description The HD74LVC02 has four 2-input NOR gates in a 14 pin package. Low voltage and high speed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation. Features • VCC = 2.0 V to 5.5 V • All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) • Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C) • Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C) • High output current ±24 mA (@VCC = 3.0 V to 5.5 V) Function Table A L L H H H : High level L : Low level Inputs B L H L H Output Y H L L L 1 page Test Circuit Input VCC HD74LVC02 Pulse Generator Zout = 50 Ω CL = 50 pF Output 450 Ω 50 Ω Scope Note: 1. CL includes probe and jig capacitance. Waveforms Input A or B Output Y 10 % tr 90 % Vref tPHL Vref tf 90 % Vref 10 % tPLH Vref VIH GND VOH VOL Notes: TEST VIH Vref VCC = 2.7 V, 3.3±0.3 V VCC = 5.0±0.5 V 2.7 V VCC 1.5 V 50%VCC 1. tr = 2.5 ns, tf = 2.5 ns 2. Input waveform : PRR = 10 MHz, duty cycle 50%. 5 5 Page

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