UNISONIC TECHNOLOGIES CO., LTD U74HC20 CMOS IC DUAL 4-INPUT NAND GATES DESCRIPTION The U74HC20 contains 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. FEATURES * Operation voltage range: * Low Quiescent Current: * High speed: * Low input current: 2~6V ICC=2µA (Max) tPD=11ns (Typ) 100nA (Max) ORDERING INFORMATION Ordering Number U74HC20G-S14-R U74HC20G-P14-R Package SOP-14 TSSOP-14 Packing Tape Reel Tape Reel MARKING SOP-14 14 13 12 11 10 9 8 UTC U74HC20G 1 2 3 4 5 6 7 TSSOP-14 14 13 12 11 10 9 Date Code 8 UTC U74HC20G Lot Code www.unisonic.com.tw Copyright © 2016 Unisonic Technologies Co., Ltd 1 2 3 4 5 6 7 Date Code Lot Code 1 of 5 QW-R502-631.E U74HC20 PIN CONFIGURATION 1A 1 14 VCC 1B 2 13 2D NC 3 12 2C 1C 4 11 NC 1D 5 10 2B 1Y 6 9 2A GND 7 8 2Y FUNCTION TABLE (each gate) INPUT(A) H L X X X CMOS IC INPUT(B) H X L X X INPUT(C) INPUT(D) OUTPUT(Y) H X X L X H X X X L L H H H H LOGIC DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R502-631.E U74HC20 CMOS IC ABSOLUTE MAXIMUM RATING (unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC -0.5~7 V Input Clamp Current IIK -20 mA Output Clamp Current IOK ±20 mA Output Current IOUT ±25 mA VCC or GND Current ICC ±50 mA Storage Temperature TSTG -65 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERMAL DATA PARAMETER Junction to Ambient SYMBOL SOP-14 TSSOP-14 θJA UNIT °C/W °C/W RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL VCC VIN VOUT Supply Voltage Input Voltage Output Voltage Input Transition Rise or Fall Rate tR, tF Operating Temperature RATINGS 76 113 CONDITIONS MIN 2 0 0 TYP VCC=2V VCC=4.5V VCC=6V TA -40 MAX 6 Vcc VCC 1000 500 400 85 UNIT V V V MAX UNIT ns °C STATIC CHARACTERISTICS (TA = 25°С) PARAMETER SYMBOL High-Level Input Voltage VIH Low-Level Input Voltage VIL High-Level Output Voltage VOH Low-Level Output Voltage VOL Input Leakage Current Quiescent Supply Current Input Capacitance II(LEAK) IQ CIN TEST CONDITIONS VCC= 2 V VCC= 4.5V VCC= 6 V VCC= 2 V VCC= 4.5 V VCC= 6 V VCC= 2V, IOH = 20µA VCC= 4.5V, IOH = 20µA VCC= 6V, IOH = 20µA VCC= 4.5V, IOH = 4mA VCC= 6V, IOH = 5.2mA VCC= 2V, IOL = 20µA VCC= 4.5V, IOL = 20µA VCC= 6V, IOL = 20µA VCC= 4.5V, IOL = 4mA VCC= 6V, IOL = 5.2mA VCC= 6V ,VIN = VCC or GND VCC= 6V, VIN = VCC or GND, IOUT = 0 VCC=2V~6V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 1.5 3.15 4.2 TYP V 0.5 1.35 1.8 1.9 4.4 5.9 3.98 5.48 1.998 4.999 5.999 4.3 5.8 0.002 0.001 0.001 0.17 0.15 ±0.1 3 V V 0.1 0.1 0.1 0.26 0.26 ±100 2 10 V nA µA pF 3 of 5 QW-R502-631.E U74HC20 DYNAMIC CHARACTERISTICS (TA=25°С, Input: tR=tF=6ns, unless otherwise specified ) PARAMETER Propagation delay from Input(A, B, C or D) to Output(Y) Output Transition Time CMOS IC SYMBOL tPLH, tPHL tT TEST CONDITIONS VCC=2V, CL=50pF VCC=4.5V, CL=50pF VCC=6V, CL=50pF VCC=2V, CL=50pF VCC=4.5V, CL=50pF VCC=6V, CL=50pF MIN TYP 45 14 11 27 9 7 MAX 110 22 19 75 15 13 UNIT TYP 25 MAX UNIT pF ns ns OPERATING CHARACTERISTICS (TA=25°С, unless otherwise specified) PARAMETER Power Dissipation Capacitance SYMBOL CPD TEST CONDITION No load UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 4 of 5 QW-R502-631.E U74HC20 CMOS IC TEST CIRCUIT AND WAVEFORMS Output CL (Note) Note : CL includes probe and jig capacitance. UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 5 QW-R502-631.E