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U74HC374 Dataheets PDF



Part Number U74HC374
Manufacturers Unisonic Technologies
Logo Unisonic Technologies
Description OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
Datasheet U74HC374 DatasheetU74HC374 Datasheet (PDF)

UNISONIC TECHNOLOGIES CO., LTD U74HC374 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. CMOS IC „ 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-.

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UNISONIC TECHNOLOGIES CO., LTD U74HC374 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. CMOS IC „ 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 Packing Tape Reel www.DataSheet.net/ www.unisonic.com.tw Copyright © 2009 Unisonic Technologies Co., Ltd 1 of 5 QW-R502-347.A Datasheet pdf - http://www.DataSheet4U.co.kr/ U74HC374 „ PIN CONFIGURATION CMOS IC „ FUNCTION TABLE INPUTS (OE ) L L L H INPUTS(CLK) Ç Ç L /H X INPUTS(D) H L X X OUTPUT(Q) H L Q0 Z „ LOGIC SYMBOL OE 1 CLK 11 1D 3 2D 3D 4D 4 7 8 EN C1 1D www.DataSheet.net/ 2 1Q 5 2Q 6 3Q 9 4Q 5D 13 6D 14 7D 17 8D 18 „ 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 Datasheet pdf - http://www.DataSheet4U.co.kr/ U74HC374 „ ABSOLUTE MAXIMUM RATING CMOS IC 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 SYMBOL θJA RATINGS 83 UNIT °C/W PARAMETER Junction to Ambient „ RECOMMENDED OPERATING CONDITIONS SYMBOL VCC VIH 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 www.DataSheet.net/ PARAMETER Supply Voltage High-level Input Voltage MIN 2 1.5 3.15 4.2 TYP 5 MAX 6 Low-level Input Voltage Input Voltage Output Voltage Input Rise or Fall Times VIL VIN VOUT tR, tF 0 0 0 0 0 0.5 1.35 1.8 VCC VCC 1000 500 400 UNIT V V V V V V V V V ns ns ns „ ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL 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 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 UNIT V V V V V V V V V V nA μA μA pF 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 0.1 0.1 0.1 0.26 0.26 ±100 ±0.5 8 10 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 5 QW-R502-347.A Datasheet pdf - http://www.DataSheet4U.co.kr/ U74HC374 „ SWITCHING CHARACTERISTICS (See TEST CIRCUIT AND WAVEFORMS) PARAMETER SYMBOL 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 www.DataSheet.net/ CMOS IC MIN From CLK to Q tPLH/tPHL From OE to Q tPZL/tPZH From OE to Q tPLZ/tPHZ Any Q tT Maximum Clock Frequency fMAX 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 Clock Frequency fCLOCK 6 30 35 80 16 14 100 20 17 10 5 5 Pulse Width tW Setup Time tSU Hold Time th 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 TEST CONDITIONS No load MIN TYP 100 MAX UNIT pF UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 5 QW-R502-347.A Datasheet pdf - http://www.DataSheet4U.co.kr/ U74HC374 „ TEST CIRCUIT AND WAVEFORMS From Output 1kΩ S VCC Open GND CL CMOS IC TEST CIRCUIT VCC 50% 0V tSU th VCC 50% 50% 0V VCC VIN 50% tPZL tPLZ 50% 0V VCC VOUT 0V tPZH VOUT VOH 50% 50% VOL www.DataSheet.net/ Timing Input tW VCC VIN 50% 50% 0V Data Input VCC VIN 50% tPLH 50% tPHL 50% tPHZ 10% VOL VOUT 90% 50% VOH 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.


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