UNISONIC TECHNOLOGIES CO., LTD U74AHCT1G126 CMOS IC SINGLE BUS BUFFER GATE WITH 3-STATE OUTPUT 3 2 1 5 4 DESCRIPTION SOT-25 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. 3 2 1 5 4 FEATURES SOT-353 * Operation Voltage Range: 4.5~5.5V * Low Power Dissipation: (10uA Max Icc) * Inputs are TTL-Voltage Compatible *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 Packing SOT-25 SOT-325 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 1 UL6 4 Lead Plating 5 www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd 1 of 5 QW-R502-096,A U74AHCT1G126 CMOS IC PIN CONFIGURATION A 2 GND 3 4 Y OE 1 5 VCC FUNCTION TABLE (each gate) INPUT OE H H L OUTPUT Y L H Z A L H X LOGIC DIAGRAM (positive logic) OE A 1 2 4 Y OE A UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 1 2 OE 4 Y 2 of 5 QW-R502-096,A U74AHCT1G126 CMOS IC ABSOLUTE MAXIMUM RATINGS (unless otherwise specified)(Note 1) 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 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=5.0±0.5V TA MIN 4.5 0 0 TYP MAX 5.5 5.5 VCC 20 85 UNIT V V V ns/V ℃ MIN 2 TYP MAX UNIT V V 4.4 3.94 4.5 -40 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=-50µA High-Level VOH VCC=4.5V, IOH=-8mA Output Voltage VCC=4.5V, IOL=50µA 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 0.8 V 0.1 0.36 ±0.1 ±0.25 µA µA 1 µA 1.35 mA 4 10 10 pF pF 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 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 V DYNAMIC CHARACTERISTICS (TA=25℃, Input: tR, tF≤3ns; PRR≤1MHz) PARAMETER 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 TEST CONDITIONS VCC =5V±0.5V, CL=15pF VCC =5V±0.5V, CL=15pF VCC =5V±0.5V, CL=15pF VCC =5V±0.5V, CL=50pF VCC =5V±0.5V, CL=50pF VCC =5V±0.5V, CL=50pF No load, f=1MHz, VCC=5V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 14 ns ns ns ns ns ns pF 3 of 5 QW-R502-096,A U74AHCT1G126 CMOS IC TEST CIRCUIT AND WAVEFORMS HIGH OE A VIN Y VOUT CL 3V 1.5V VIN 1.5V tPLH GND tPHL 1/2 * VCC 1/2 * VCC VOUT Note: CL includes probe and jig capacitance. Fig-1 Propagation delay from A to Y TEST GND TPHZ /TPZH Vo E VCC TPLZ /T PZL OE TEST Vi TPHZ /TPZH VCC A 1KΩ RL Y Vo TPLZ /TPZL GND CL Turn-OFF Turn-ON Turn-ON 3V 1.5V VoE 1.5V GND tPHZ VOH-0.3V tPZH 1/2 * VCC VOUT t PLZ VOUT VOL+0.3V t PZL 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