UNISONIC TECHNOLOGIES CO., LTD U74AHCT1G125 CMOS IC SINGLE BUS BUFFER GATE WITH 3-STATE OUTPUT 3 2 1 5 4 DESCRIPTION SOT-25 The U74AHCT1G125 is a single bus buffer gate with 3-state output controlled by enable input ( OE ), When OE is HIGH, the output is disabled. 3 2 1 5 FEATURES 4 * Operation Voltage Range: 4.5~5.5V * Low Power Dissipation: 10uA(Max) * Inputs are TTL-Voltage Compatible SOT-353 *Pb-free plating product number: U74AHCT1G125L ORDERING INFORMATION Order Number Normal Lead Free Plating U74AHCT1G125-AF5-R U74AHCT1G125L-AF5-R U74AHCT1G125-AL5-R U74AHCT1G125L-AL5-R Package Packing SOT-25 SOT-353 Tape Reel Tape Reel U74AHCT1G125L-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 UL5 Lead Plating 4 5 www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd 1 of 5 QW-R502-093,A U74AHCT1G125 CMOS IC PIN CONFIGURATION A 2 GND 3 4 Y OE 1 5 VCC FUNCTION TABLE (each gate) INPUT OE L L H OUTPUT A L H X Y L H Z 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-R502-093,A U74AHCT1G125 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 Input Voltage Output Voltage Input Transition Rise or Fall Rate Operating Temperature SYMBOL VCC VIN VOUT ∆t/∆v TA CONDITIONS MIN 4.5 0 0 TYP VCC=5.0+0.5V -40 MAX 5.5 5.5 VCC 20 85 UNIT V V V ns/V ℃ STATIC CHARACTERISTICS (TA=25℃) PARAMETER High-Level Input Voltage Low-Level High-Level Output Voltage Low-Level Input Leakage Current Output Current, OFF-state Quiescent Supply Current Additional Quiescent Supply Current Input Capacitance Output Capacitance SYMBOL TEST CONDITIONS VIH VCC=4.5V~5.5V VCC=4.5V~5.5V VIL VCC=4.5V, IOH=-50µA VOH VCC=4.5V, IOH=-8mA VCC=4.5V, IOL=50µA VOL VCC=4.5V, IOH=8mA II(LEAK) VCC=0V~5.5V, VIN=VCC or GND IOZ VCC=5.5V, VOUT=VCC or GND IQ VCC=5.5V, VIN=VCC or GND, IOUT=0 VCC=5.5V, One input at 3.4V, Other ∆ICC input at VCC or GND CIN VCC=5V, VIN=VCC or GND COUT VCC=5V, VOUT=VCC or GND MIN 2 TYP 4.4 3.94 4.5 MAX 0.8 UNIT V V V 0.1 0.36 ±0.1 ±0.25 1 µA µA 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 14 pF 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=5 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN ns ns ns ns ns ns 3 of 5 QW-R502-093,A U74AHCT1G125 CMOS IC TEST CIRCUIT AND WAVEFORMS LOW OE A Vi Y Vo CL 3V 1.5V Vi 1.5V tPLH Vo GND tPHL 1/2 * VCC 1/2 * VCC 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 Vo Vo t PLZ 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-R502-093,A U74AHCT1G125 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-R502-093,A