UNISONIC TECHNOLOGIES CO., LTD U74AHC14 CMOS IC HEX SCHMITT-TRIGGER INVERTERS DESCRIPTION The U74AHC14 is hex Schmitt-trigger inverters and each inverter provides the function Y= A . FEATURES * Operation Voltage Range: 2V~5.5V * Max tpd of 8.6ns at 5 V(CL=15pF) * High Noise Immunity * Low Power Dissipation ORDERING INFORMATION Ordering Number U74AHC14G-S14-R U74AHC14G-P14-R Package SOP-14 TSSOP-14 Packing Tape Reel Tape Reel MARKING www.unisonic.com.tw Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 5 QW-R502-386.C U74AHC14 CMOS IC PIN CONFIGURATION 1A 1 14 VCC 1Y 2 13 6A 2A 3 12 6Y 2Y 4 11 5A 3A 5 10 5Y 3Y 6 9 4A GND 7 8 4Y FUNCTION TABLE (each gate) INPUT A OUTPUT Y L H H L Note: H: HIGH voltage level; L: LOW voltage level. LOGIC SYMBOL UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R502-386.C U74AHC14 CMOS IC ABSOLUTE MAXIMUM RATING (unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC -0.5 ~ +7 V Input Voltage VIN -0.5 ~ +7 V Output Voltage VOUT -0.5 ~ VCC +0.5 V Input Clamp Current IIK -20 mA Output Clamp Current IOK ±20 mA Output Sink 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 Thermal Resistance Junction-Ambient SYMBOL SOP-14 TSSOP-14 θJA RATINGS 86 113 UNIT °C/W °C/W RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage Input Voltage Output Voltage SYMBOL VCC VIN VOUT High-Level Input Current IOH Low-Level Input Current IOL Operating Temperature TA CONDITIONS VCC=2V VCC=3.3V±0.3V VCC=5V±0.5V VCC=2V VCC=3.3V±0.3V VCC=5V±0.5V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 2.0 0 0 -40 TYP MAX UNIT 5.5 V 5.5 V VCC V -50 μA -4 mA -8 mA 50 μA 4 mA 8 mA +85 °C 3 of 5 QW-R502-386.C U74AHC14 CMOS IC STATIC CHARACTERISTICS (TA=25°C) PARAMETER SYMBOL Positive-going Input Threshold Voltage VT+ Negative-going Input Threshold Voltage VT- Hysteresis(VT+-VT-) ∆VT TEST CONDITIONS VCC =3.0V VCC =4.5V VCC =5.5V VCC =3.0V VCC =4.5V VCC =5.5V VCC =3.0V VCC =4.5V VCC =5.5V VCC =2.0V VCC =3.0V VCC =4.5V IOH =-4 mA VCC =3.0V IOH =-8mA VCC =4.5V VCC =2.0V VCC =3.0V IOL=50μA VCC =4.5V IOL =4 mA VCC =3.0V IOL =8mA VCC =4.5V VCC =0V to 5.5V,VIN=5.5V or GND VCC =5.5V,VIN=VCC or GND,IOUT=0 VIN=VCC or GND IOH=-50μA High-Level Output Voltage VOH Low-Level Output Voltage VOL Input Leakage Current Quiescent Supply Current Input Capacitance II(LEAK) IQ CI TYP 2 MAX UNIT 2.2 V 3.15 V 3.85 V 1.9 V 2.75 V 3.35 V 1.2 V 1.4 V 1.6 V V V V V V 0.1 V 0.1 V 0.1 V 0.36 V 0.36 V ±0.1 μA 2 μA 10 pF MIN TYP 8.3 10.8 5.5 7 MAX UNIT 12.8 ns 16.3 ns 8.6 ns 10.6 ns MIN TYP 9 MAX UNIT pF SWITCHING CHARACTERISTICS (TA=25°C) PARAMETER Propagation Delay, From Input(A) To Output(Y) MIN 1.2 1.75 2.15 0.9 1.35 1.65 0.3 0.4 0.5 1.9 2.9 4.4 2.58 3.94 SYMBOL tPLH/tPHL tPLH/tPHL TEST CONDITIONS CL=15 pF VCC =3.3±0.3 V CL=50 pF CL=15 pF VCC =5.0±0.5 V CL=50 pF OPERATING CHARACTERISTICS (TA=25°С) PARAMETER Power Dissipation Capacitance SYMBOL TEST CONDITIONS CPD No Load, f=1MHz UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 5 QW-R502-386.C U74AHC14 CMOS IC TEST CIRCUIT AND WAVEFORMS Test circuit for measuring propagation delay Waveforms showing the Input(A) to Output(Y) propagation delays Note: CL includes probe and jig capacitance. All input pulses are supplied by generators having the following characteristics: PRR ≤1MHz, Zo = 50Ω, tr ≤3ns, tf ≤3ns. 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-R502-386.C