UNISONIC TECHNOLOGIES CO., LTD U74LVC2G34 CMOS IC DUAL BUFFER GATE DESCRIPTION The U74LVC2G34 is a dual buffer, it provides the function Y = A. This device has power-down protective circuit, preventing device destruction when it is powered down. FEATURES * Operate From 1.65V to 5.5V * Inputs Accept Voltages to 5.5V * IOFF Supports Partial-Power-Down Mode * Low Power Dissipation * Max tPD of 4.1 ns at 3.3V ORDERING INFORMATION Ordering Number U74LVC2G34G-AL6-R Package SOT-363 Packing Tape Reel MARKING www.unisonic.com.tw Copyright © 2010 Unisonic Technologies Co., Ltd 1 of 5 QW-R502-430.A U74LVC2G34 PIN CONFIGURATION FUNCTION TABLE CMOS IC INPUT(nA) OUTPUT(nY) H H L L Note: H: HIGH voltage level; L: LOW voltage level. LOGIC DIAGRAM (Positive Logic) 1 1A 1Y 6 3 2Y 4 2A 1 3 Logic Symbol UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 1 6 1 4 IEC Logic Symbol 2 of 5 QW-R502-430.A U74LVC2G34 CMOS IC ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL VCC VIN RATINGS -0.5 ~ +6.5 -0.5 ~ +6.5 Active mode -0.5 ~ VCC+0.5 Output Voltage VOUT Power-down mode -0.5 ~ +6.5 VCC or GND Current ICC ±100 Continuous Output Current (VOUT=0 to VCC) IOUT ± 50 Input Clamp Current (VIN<0) IIK - 50 Output Clamp Current (VOUT<0 or VOUT>VCC) IOK ± 50 Power Dissipation (TA=-40°C to +125°C) PD 300 Storage Temperature Range 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. Supply Voltage Input Voltage RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage Input Voltage SYMBOL VCC VIN Output Voltage VOUT Operating Temperature TA Input Rise or Fall Times tR / tF UNIT V V V V mA mA mA mA mW °C TEST CONDITIONS Operating Active mode VCC=0V, Power-down mode VCC=1.65V ~ 2.7V VCC=2.7V ~ 5. 5V MIN 1.65 0 0 0 -40 0 0 TYP MAX 5.5 5.5 VCC 5.5 125 20 10 UNIT V V V V °C ns/V ns/V TYP MAX 0.1 0.45 0.3 0.4 0.55 0.55 ±5 ±10 UNIT V V V V V V V V V V V V V V V V V V V V μA μA 10 μA 500 μA ELECTRICAL CHARACTERISTICS (TA =25°C , unless otherwise specified) PARAMETER SYMBOL High-Level Input Voltage Low-Level Input Voltage High-Level Output Voltage Low-Level Output Voltage Input Leakage Current Power OFF Leakage Current Quiescent Supply Current VIH VIL VOH VOL II(LEAK) IOFF IQ Additional Quiescent Supply Current Per Input Pin ΔIQ Input Capacitance CIN TEST CONDITIONS VCC=1.65V ~ 1.95V VCC=2.3V ~ 2.7V VCC=3V ~ 3.6V VCC=4.5V ~ 5.5V VCC=1.65V ~ 1.95V VCC=2.3V ~ 2.7V VCC=3V ~ 3.6V VCC=4.5V ~ 5.5V IOH=-100μA VCC=1.65 ~ 5.5V IOH=-4mA VCC=1.65V IOH=-8mA VCC=2.3V IOH=-12mA VCC=2.7V IOH=-24mA VCC=3.0V IOH=-32mA VCC=4.5V IOL=100μA VCC=1.65 ~ 5.5V IOL=4mA VCC=1.65V IOL=8mA VCC=2.3V IOL=12mA VCC=2.7V IOL=24mA VCC=3.0V IOL=32mA VCC=4.5V VIN=5.5V or GND, VCC=5.5V VIN or VOUT=5.5V, VCC=0V VIN=5.5V or GND, IOUT=0 VCC=5.5V VCC=2.3 ~ 5.5V, IOUT=0 One input at VCC-0.6V, Other inputs at VCC or GND UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 0.65*VCC 1.7 2 0.7*VCC 0.35*VCC 0.7 0.8 0.3*VCC VCC-0.1 1.2 1.9 2.2 2.3 3.8 2.5 pF 3 of 5 QW-R502-430.A U74LVC2G34 SWITCHING CHARACTERISTICS (TA=25°С) PARAMETER Propagation delay from input (nA) to output(nY) CMOS IC SYMBOL tPLH / tPHL TEST CONDITIONS VCC=1.65V~1.95V, RL=1KΩ CL=30pF VCC=2.3V~2.7V, RL=500Ω VCC=2.7V, RL=500Ω VCC=3.0V~3.6V, RL=500Ω CL=50pF VCC=4.5V~5.5V, RL=500Ω MIN 1.0 0.5 0.5 0.5 0.5 TYP 3.8 2.4 2.5 2.2 1.9 MAX 8.6 4.4 5.0 4.1 3.2 UNIT ns ns ns ns ns MIN TYP 20 MAX UNIT pF OPERATING CHARACTERISTICS (TA=25°С) PARAMETER Power Dissipation Capacitance SYMBOL CPD TEST CONDITIONS VCC=3.3V, VIN=GND to VCC UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 5 QW-R502-430.A U74LVC2G34 CMOS IC TEST CIRCUIT AND WAVEFORMS From Output CL RL INPUTS VCC 1.65V ~ 1.95V 2.3V ~ 2.7V 2.7V 3.0V ~ 3.6V 4.5V ~ 5.5V VIN VCC tR, tF ≤2ns VCC 2.7V 2.7V VCC ≤2ns ≤2.5ns ≤2.5ns ≤2.5ns VM CL RL VCC/2 VCC/2 1.5V 1.5V VCC/2 30pF 30pF 50pF 50pF 50pF 1KΩ 500Ω 500Ω 500Ω 500Ω Note: CL includes probe and jig capacitance. All input pulses are supplied by generators having the following characteristics: PRR ≤10MHz, Zo = 50Ω. 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-R502-430.A