UNISONIC TECHNOLOGIES CO., LTD U74HC374 CMOS IC OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS DESCRIPTION The UTC U74HC374 is an octal edge-triggered D-type flip-flop with 3-state outputs and 8 channels. FEATURES * Operate from 2V to 6V * Max tpd of 46ns at 4.5 V ,Ta =25°C * Max ICC of 8μA, Ta =25°C * Typical VOL<0.17V at VCC=4.5V,IOUT=-6mA,Ta=25°C * Typical VOH>4.3V at VCC=4.5V, IOUT =6mA, Ta=25°C * Halogen Free TSSOP-20 ORDERING INFORMATION Ordering Number U74HC343G-P20-R Package TSSOP-20 www.unisonic.com.tw Copyright © 2009 Unisonic Technologies Co., Ltd Packing Tape Reel 1 of 5 QW-R502-347.A U74HC374 CMOS IC PIN CONFIGURATION FUNCTION TABLE INPUTS (OE ) INPUTS(CLK) INPUTS(D) OUTPUT(Q) L L L H Ç Ç L /H X H L X X H L Q0 Z LOGIC SYMBOL OE 1 CLK 11 1D 3 2D 3D 4D 4 EN C1 1D 7 8 5D 13 6D 14 7D 17 8D 18 2 1Q 5 2Q 6 3Q 9 4Q 12 5Q 15 6Q 16 7Q 19 8Q LOGIC DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R502-347.A U74HC374 CMOS IC ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC -0.5 ~ +7 V VCC or GND Current ICC ±70 mA Output Current IOUT ±35 mA Input Clamp Current IIK ±20 mA Output Clamp Current IOK ±20 mA Operating Temperature TOPR -40 ~ + 85 °C Storage Temperature 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. THERMAL DATA PARAMETER Junction to Ambient SYMBOL θJA UNIT °C/W RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage SYMBOL VCC High-level Input Voltage VIH Low-level Input Voltage VIL Input Voltage Output Voltage VIN VOUT Input Rise or Fall Times tR, tF RATINGS 83 TEST CONDITIONS VCC=2V VCC=4.5V VCC=6V VCC=2V VCC=4.5V VCC=6V High or low state VCC=2V VCC=4.5V VCC=6V MIN 2 1.5 3.15 4.2 TYP 5 MAX 6 0.5 1.35 1.8 VCC VCC 1000 500 400 0 0 0 0 0 UNIT V V V V V V V V V ns ns ns ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Output Voltage High-Level VOH Output Voltage Low-Level VOL Input Leakage Current 3-state Leakage Current Quiescent Supply Current Input Capacitance II(LEAK) IOZ ICC CI TEST CONDITIONS VCC=2V, IOH=-20μA VCC=4.5V, IOH=-20μA VCC=6V, IOH=-20μA VCC=4.5V, IOH=-6mA VCC=6V, IOH=-7.8mA VCC=2V, IOL=20μA VCC=4.5V, IOL=20μA VCC=6V, IOL=20μA VCC=4.5V, IOL=6mA VCC=6V, IOL=7.8mA VCC=6V, VIN= VCC or GND VCC=6V, VOUT= VCC or GND VCC=6V, VIN=VCC or GND, IOUT=0 VCC=2V~ 6V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 1.9 4.4 5.9 3.98 5.48 TYP 1.999 4.499 5.999 4.3 5.8 0.002 0.001 0.001 0.17 0.15 ±0.1 ±0.01 3 MAX 0.1 0.1 0.1 0.26 0.26 ±100 ±0.5 8 10 UNIT V V V V V V V V V V nA μA μA pF 3 of 5 QW-R502-347.A U74HC374 CMOS IC SWITCHING CHARACTERISTICS (See TEST CIRCUIT AND WAVEFORMS) PARAMETER SYMBOL From CLK to Q tPLH/tPHL From OE to Q tPZL/tPZH From OE to Q tPLZ/tPHZ tT Any Q Maximum Clock Frequency Clock Frequency fMAX fCLOCK Pulse Width tW Setup Time tSU Hold Time th TEST CONDITIONS VCC=2V CL =50pF VCC=4.5V VCC=6V VCC=2V CL =150 pF VCC=4.5V VCC=6V VCC=2V VCC=4.5V CL =50pF VCC=6V VCC=2V CL =150 pF VCC=4.5V VCC=6V VCC=2V CL =50pF VCC=4.5V VCC=6V VCC=2V CL =50pF VCC=4.5V VCC=6V VCC=2V CL =150 pF VCC=4.5V VCC=6V VCC=2V CL =50pF VCC=4.5V VCC=6V VCC=2V CL =150pF VCC=4.5V VCC=6V VCC=2V VCC=4.5V VCC=6V VCC=2V VCC=4.5V VCC=6V VCC=2V VCC=4.5V VCC=6V VCC=2V VCC=4.5V VCC=6V MIN 6 30 35 6 30 35 TYP 63 17 15 80 22 19 60 16 14 70 25 22 36 17 16 28 8 6 45 17 13 12 60 70 12 60 70 MAX 180 36 31 230 46 39 150 30 26 200 40 34 150 30 26 60 12 10 210 42 36 6 30 35 80 16 14 100 20 17 10 5 5 UNIT ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns MHz MHz MHz MHz MHz MHz MHz MHz MHz ns ns ns ns ns ns ns ns ns OPERATING CHARACTERISTICS(Ta=25°С) PARAMETER Power Dissipation Capacitance SYMBOL Cpd UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw TEST CONDITIONS No load MIN TYP 100 MAX UNIT pF 4 of 5 QW-R502-347.A U74HC374 CMOS IC TEST CIRCUIT AND WAVEFORMS S 1kΩ From Output VCC Open GND CL TEST CIRCUIT VCC Timing Input tW 50% 0V tSU VCC VIN th 50% 50% 0V VCC Data Input 50% 50% 0V VCC VIN 50% 50% tPLH 50% 0V VOH 50% 50% VOL VOUT 10% VOL tPHZ tPZH VOUT 0V tPLZ VCC VOUT tPHL 50% tPZL VCC VIN 50% 90% VOH 50% 0V Note: CL includes probe and jig capacitance. PRR ≤1MHz, ZO = 50Ω, tr ≤6ns, tf ≤6ns. 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-R502-347.A