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| UNISONIC TECHNOLOGIES CO., LTD U74AHCT1G126 SINGLE BUS BUFFER GATE WITH 3-STATE OUTPUT 3 2 1 CMOS IC 5 DESCRIPTION The U74AHCT1G126 is a single bus buffer gate with 3-state output controlled by enable input (OE), When OE is LOW, the output is disabled. 2 1 4 SOT-25 3 5 4 FEATURES * Operation Voltage Range: 4.5~5.5V * Low Power Dissipation: (10uA Max Icc) * Inputs are TTL-Voltage Compatible SOT-353 *Pb-free plating product number: U74AHCT1G126L ORDERING INFORMATION Order Number Normal Lead Free Plating U74AHCT1G126-AF5-R U74AHCT1G126L-AF5-R U74AHCT1G126-AL5-R U74AHCT1G126L-AL5-R Package SOT-25 SOT-325 Packing Tape Reel Tape Reel U74AHCT1G126L-AF5-R (1)Packing Type (2)Package Type (3)Lead Plating (1) R: Tape Reel (2) AF5: SOT-25, AL5: SOT-353 (3) L: Lead Free Plating, Blank: Pb/Sn MARKING 3 2 UL6 4 5 1 Lead Plating www.unisonic.com.tw Copyright (c) 2005 Unisonic Technologies Co., Ltd 1 of 5 QW-R502-096,A U74AHCT1G126 PIN CONFIGURATION GND 3 A 2 OE 1 CMOS IC 4 Y 5 VCC FUNCTION TABLE (each gate) INPUT OE H H L A L H X OUTPUT Y L H Z LOGIC DIAGRAM (positive logic) 1 2 4 Y OE A 1 2 OE 4 OE A Y UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R502-096,A U74AHCT1G126 ABSOLUTE MAXIMUM RATINGS (unless otherwise specified)(Note 1) PARAMETER CMOS IC 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 Current IOUT 25 mA VCC or GND Current ICC 50 mA Storage Temperature TSTG -65 ~ +150 Note 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. 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 COMDITIONS PARAMETER Supply Voltage nput Voltage Output Voltage nput Transition Rise or Fall Rate Operating Temperature SYMBOL CONDITIONS VCC VIN VOUT t/v VCC=5.00.5V TA MIN 4.5 0 0 -40 MIN 2 4.4 3.94 TYP TYP MAX 5.5 5.5 VCC 20 85 MAX 0.8 4.5 0.1 0.36 0.1 0.25 1 1.35 4 10 10 UNIT V V V ns/V STATIC CHARACTERISTICS (TA=25 ) PARAMETER SYMBOL TEST CONDITIONS High-Level VIH VCC=4.5V~5.5V Input Voltage VCC=4.5V~5.5V Low-Level VIL VCC=4.5V, IOH=-50A High-Level VOH VCC=4.5V, IOH=-8mA Output Voltage VCC=4.5V, IOL=50A Low-Level VOL VCC=4.5V, IOH=8mA Input Leakage Current II(LEAK) VCC=0V~5.5V, VIN=VCC or GND Output Current, OFF-state IOZ VCC=5.5V, VOUT=VCC or GND VCC=5.5V, VIN=VCC or GND Quiescent Supply Current IQ IOUT=0 Additional Quiescent Supply VCC=5.5V, One input at 3.4V, ICC Current Other input at VCC or GND Input Capacitance CIN VCC=5V, VIN=VCC or GND Output Capacitance COUT VCC=5V, VOUT=VCC or GND SYMBOL tPLH Propagation delay from A to Y tPHL tPZH Turn-on time OE to Y tPZL tPHZ Turn-off time OE to Y tPLZ tPLH Propagation delay from A to Y tPHL tPZH Turn-on time OE to Y tPZL tPHZ Turn-off time OE to Y tPLZ OPERATING CHARACTERISTICS Power Dissipation Capacitance Cpd PARAMETER TEST CONDITIONS VCC =5V0.5V, CL=15pF VCC =5V0.5V, CL=15pF VCC =5V0.5V, CL=15pF VCC =5V0.5V, CL=50pF VCC =5V0.5V, CL=50pF VCC =5V0.5V, CL=50pF No load, f=1MHz, VCC=5V UNIT V V V V A A A mA pF pF DYNAMIC CHARACTERISTICS (TA=25 , Input: tR, tF3ns; PRR1MHz) MIN TYP 3.8 3.8 3.6 3.6 4.6 4.6 5.3 5.3 5.1 5.1 6.1 6.1 14 MAX 5.5 5.5 5.1 5.1 6.8 6.8 7.5 7.5 7.1 7.1 8.8 8.8 UNIT ns ns ns ns ns ns pF 3 of 5 QW-R502-096,A UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw U74AHCT1G126 TEST CIRCUIT AND WAVEFORMS HIGH CMOS IC OE A Y VIN VOUT CL 3V 1.5V VIN tPLH 1.5V tPHL GND 1/2 * VCC VOUT 1/2 * VCC Note: CL includes probe and jig capacitance. Fig-1 Propagation delay from A to Y TEST GND TPHZ /TPZH OE Vi A Y VCC TPLZ /TPZL 1K RL Vo VoE TEST TPHZ /TPZH VCC TPLZ /TPZL GND CL Turn-ON Turn-OFF Turn-ON 3V VoE 1.5V 1.5V GND tPHZ VOH-0.3V VOUT tPZH 1/2 * VCC tPLZ VOUT VOL+0.3V tPZL 1/2 * VCC Fig-2 The turn-on and turn-off times. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 5 QW-R502-096,A U74AHCT1G126 CMOS IC 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-R502-096,A |
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