UNISONIC TECHNOLOGIES CO., LTD U74AHC2G126 CMOS IC DUAL BUS BUFFER GATE WITH 3-STATE OUTPUTS DESCRIPTION The U74AHC2G126 consists of two bus buffers with 3-state output controlled by enable input (nOE), when nOE is low, the output is disable. FEATURES * Wide supply voltage range from 2.0V to 5.5V * Low static power consumption; ICC=2μA (Max.) * ±8mA output driver at 5V ORDERING INFORMATION Ordering Number U74AHC2G126G-P08-R Package TSSOP-8 Packing Tape Reel MARKING www.unisonic.com.tw Copyright © 2016 Unisonic Technologies Co., Ltd 1 of 5 QW-R126-037.A U74AHC2G126 PIN CONFIGURATION FUNCTION TABLE CMOS IC INPUT(OE) INPUT(A) OUTPUT(Y) H L L H H H L X Z Note: H: High voltage level; L: Low voltage level; Z: High impedance; X: Don’care LOGIC DIAGRAM (positive logic) Logic symbol UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw IEC Logic symbol 2 of 5 QW-R126-037.A U74AHC2G126 CMOS IC ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL CONDITIONS RATINGS UNIT Supply Voltage VCC -0.5 ~ +7.0 V Input Voltage VIN -0.5 ~ +7.0 V Output Voltage VOUT -0.5 ~ VCC +0.5 V Continuous VCC or GND ICC 50 mA Current Continuous Output Current IOUT VOUT=0V ~ VCC ±25 mA Input Clamp Current IIK VIN<0V -20 mA Output Clamp Current IOK VOUT>VCC or VOUT<0V ±20 mA Storage Temperature Range 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. RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL Supply Voltage VCC Input Voltage Output Voltage Operating Temperature (Note) Input Transition Rise or Fall Rate VIN VOUT TEST CONDITIONS Operating Data retention only High or low state MIN 2.0 1.5 0 0 TYP -40 TA VCC=3.3V±0.3V VCC=5V±0.5V Note: This condition is only determined from design. It can't be 100% tested in mass production. ∆t/∆v MAX 5.5 5.5 VCC UNIT V V V V 125 °C 100 20 ns/V ns/V MAX 0.1 0.1 0.1 0.36 0.36 ±0.1 UNIT V V V V V V V V V V V V V V V V μA ±0.25 μA 2 μA ELECTRICAL CHARACTERISTICS (TA =25°C , unless otherwise specified) PARAMETER SYMBOL High-level Input Voltage VIH Low-level Input Voltage VIL High-Level Output Voltage Low-Level Output Voltage VOH VOL Input Leakage Current 3-state Output OFF-state Current II(LEAK) Quiescent Supply Current ICC Input Capacitance CI IOZ TEST CONDITIONS VCC=2.0V VCC=3.0V VCC=5.5V VCC=2.0V VCC=3.0V VCC=5.5V VCC=2.0V VCC=3.0V IOH=-50μA VCC=4.5V VCC=3.0V, IOH=-4mA VCC=4.5V, IOH=-8mA VCC=2.0V VCC=3.0V IOH=-50μA VCC=4.5V VCC=3.0V, IOH=-4mA VCC=4.5V, IOH=-8mA VCC=5.5V, VIN= VCC or GND VIN=VIH or VIL, VOUT=VCC or GND, VCC =5.5V VCC=5.5V, VIN=VCC or GND, IOUT=0A VCC=5.0V, VIN=VCC or GND UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 1.5 2.1 3.85 TYP 0.5 0.9 1.65 1.9 2.9 4.4 2.58 3.94 2 3 4.5 2 pF 3 of 5 QW-R126-037.A U74AHC2G126 CMOS IC SWITCHING CHARACTERISTICS (TA =25°C , unless otherwise specified) PARAMETER SYMBOL Propagation delay from input (A) to output(Y) tPD Propagation delay from input (OE) to output(Y) ten Propagation delay from input (OE) to output(Y) tdis TEST CONDITIONS VCC=3.3±0.3V CL=15pF VCC=5±0.5V VCC=3.3±0.3V CL=50pF VCC=5±0.5V VCC=3.3±0.3V CL=15pF VCC=5±0.5V VCC=3.3±0.3V CL=50pF VCC=5±0.5V VCC=3.3±0.3V CL=15pF VCC=5±0.5V VCC=3.3±0.3V CL=50pF VCC=5±0.5V MIN TYP MAX 9.5 6.5 13 8.5 9.5 6 13 8 11.5 8 15 10 UNIT ns ns ns ns ns ns ns ns ns ns ns ns MAX UNIT OPERATING CHARACTERISTICS (f=10MHz, TA =25°C , unless otherwise specified) PARAMETER Power Dissipation Capacitance SYMBOL CPD TEST CONDITIONS VCC=5V, No load. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN TYP 14 pF 4 of 5 QW-R126-037.A U74AHC2G126 CMOS IC TEST CIRCUIT AND WAVEFORMS Notes: 1. CL includes probe and jig capacitance. 2. 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-R126-037.A