UNISONIC TECHNOLOGIES CO., LTD U74AHC3G34 CMOS IC TRIPLE BUFFER GATE DESCRIPTION The UTC U74AHC3G34 are high-speed Si-gate CMOS devices, which provide three buffers with the function Y=A. FEATURES * Low Power Dissipation * Symmetrical Output Impedance * Balanced Propagation Delays * High Noise Immunity TSSOP-8 ORDERING INFORMATION Ordering Number Lead Free U74AHC3G34L-P08-R U74AHC3G34L-P08-T Halogen Free U74AHC3G34G-P08-R U74AHC3G34G-P08-T www.unisonic.com.tw Copyright © 2011 Unisonic Technologies Co., Ltd Package Packing TSSOP-8 TSSOP-8 Tape Reel Tube 1 of 4 QW-R502-676.A U74AHC3G34 PIN CONFIGURATION 1A 1 8 VCC 3Y 2 7 1Y 2A 3 6 3A GND 4 5 2Y FUNCTION TABLE (each gate) INPUT(A) L H CMOS IC OUTPUT(Y) L H LOGIC DIAGRAM (positive logic) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 4 QW-R502-676.A U74AHC3G34 CMOS IC ABSOLUTE MAXIMUM RATING(unless otherwise specified) PARAMETER SYMBOL RATINGS Supply Voltage VCC -0.5 ~ 7.0 Input Voltage VIN -0.5 ~ 7.0 Output Voltage VOUT -0.5 ~ VCC +0.5 VCC or GND Current ICC ±75 Output Current IOUT ±25 Input Clamp Current IIK -20 Output Clamp Current IOK ±20 Operating Temperature TOPR -40 ~ + 85 Storage Temperature TSTG -65 ~ + 150 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. RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage Input Voltage Output Voltage SYMBOL VCC VIN VOUT Input Rise or Fall Times tR, tF CONDITIONS MIN 2.0 0 0 VCC = 3.3 ± 0.3V VCC = 5.0 ± 0.5V TYP 5.0 MAX 5.5 5.5 VCC 100 20 UNIT V V V ns/V ELECTRICAL CHARACTERISTICS (TA=25°С,unless otherwise specified) 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) ICC CIN UNIT V V V mA mA mA mA ℃ ℃ TEST CONDITIONS VCC= 2V VCC= 3V VCC= 5.5V VCC= 2V VCC= 3V VCC= 5.5V VI = VIH or VIL, IOH = -50μA, VCC= 2V VI = VIH or VIL, IOH = -50μA, VCC= 3V VI = VIH or VIL, IOH = -50μA, VCC= 4.5V VI = VIH or VIL, IOH = -4.0mA, VCC= 3V VI = VIH or VIL, IOH = -8.0mA, VCC= 4.5V VI = VIH or VIL, IOH = 50μA, VCC= 2V VI = VIH or VIL, IOH = 50μA, VCC= 3V VI = VIH or VIL, IOH = 50μA, VCC= 4.5V VI = VIH or VIL, IOH = 4.0mA, VCC= 3V VI = VIH or VIL, IOH = 8.0mA, VCC= 4.5V VIN=VCC or GND, VCC= 5.5V VIN=VCC or GND, IOUT=0, VCC= 5.5V VIN=VCC or GND MIN TYP MAX UNIT 1.5 2.1 V 3.85 0.5 0.9 V 1.65 1.9 2.0 2.9 3.0 4.4 4.5 V 2.58 3.94 0.1 0.1 V 0.1 0.36 0.36 0.1 μA 10 μA 1.5 10 pF SWITCHING CHARACTERISTICS (TA=25°С,unless otherwise specified) PARAMETER Propagation delay from input (A) to output(Y) SYMBOL tPLH tPHL TEST CONDITIONS VCC =3.0 to 3.6 V CL =15 pF VCC =4.5 to 5.5 V VCC =3.0 to 3.6 V CL =50 pF VCC =4.5 to 5.5 V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN TYP 4.3 3.1 6.1 4.5 MAX UNIT 7.1 ns 5.5 10.6 ns 7.5 3 of 4 QW-R502-676.A U74AHC3G34 CMOS IC TEST CIRCUIT AND WAVEFORMS Note: CL includes probe and jig capacitance. 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 4 of 4 QW-R502-676.A