UNISONIC TECHNOLOGIES CO., LTD U74LVC374 CMOS IC OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS DESCRIPTION The U74LVC374 is an octal edge-triggered D-type flip-flop with 3-state outputs and 8 channels. FEATURES * Operate from 1.65V to 3.6V * Max tpd of 6.5ns at 3.3 V * Typical VOL< 0.8V @ VCC=3.3V (Ta=25°C) * Typical VOH> 2.0V @ VCC=3.3V (Ta=25°C) * Power off disables outputs, permitting live insertion * Halogen Free TSSOP-20 ORDERING INFORMATION Ordering Number U74LVC374G-P20-T Package TSSOP-20 www.unisonic.com.tw Copyright © 2009 Unisonic Technologies Co., Ltd Packing Tape Reel 1 of 6 QW-R502-369.A U74LVC374 CMOS IC PIN CONFIGURATION FUNCTION TABLE INPUTS (OE) INPUTS(CLK) INPUTS(D) OUTPUT(Q) H L X X H L Q0 Z L Ç L Ç L L /H H X Note: H: HIGH voltage level; L: LOW voltage level. 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 6 QW-R502-369.A U74LVC374 CMOS IC ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC -0.5 ~ +6.5 V Input Voltage VIN -0.5 ~ +6.5 V Voltage Range Applied To Any Output -0.5 ~ +6.5 V In The High-Impedance Or Power-Off State VOUT Voltage Range Applied To Any Output -0.5 ~ VCC+0.5 V In The High Or Low State VCC or GND Current ICC ±100 mA Output Current IOUT ±50 mA Input Clamp Current IIK -50 mA Output Clamp Current IOK -50 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 RATINGS 83 UNIT °C/W RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL Supply Voltage VCC High-level Input Voltage VIH TEST CONDITIONS Operating Data retention only VCC=1.65V to 1.95V VCC=2.3V to 2.7V VCC=2.7V to 3.6V MIN 1.65 1.5 0.65 ×VCC 1.7 2 VCC=1.65V to 1.95V Low-level Input Voltage VIL Input Voltage VIN Output Voltage VOUT High-level Output Current IOH Low-level Output Current IOL Input transition Rise or Fall rate VCC=2.3V to 2.7V VCC=2.7V to 3.6V High or low state 3 state VCC=1.65V VCC=2.3V VCC=2.7V VCC=3V VCC=1.65V VCC=2.3V VCC=2.7V VCC=3V Δt/Δv UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 0 0 0 TYP MAX 3.6 UNIT V V V V V 0.35 ×VCC 0.7 0.8 5.5 VCC 5.5 -4 -8 -12 -24 4 8 12 24 10 V V V V V V mA mA mA mA mA mA mA mA ns/V 3 of 6 QW-R502-369.A U74LVC374 CMOS IC ELECTRICAL CHARACTERISTICS (Ta=25°С) PARAMETER SYMBOL TEST CONDITIONS VCC=1.65~3.6V, IOH=-100μA Output Voltage High-Level Output Voltage Low-Level Input Leakage Current Power OFF Leakage Current 3-state Output Off-state Current Quiescent Supply Current Additional Quiescent Supply Current VOH VOL II(LEAK) IOFF IOZ ICC ΔICC VCC=1.65V, IOH=-4mA VCC=2.3V, IOH=-8mA VCC=2.7V, IOH=-12mA VCC=3V, IOH=-12mA VCC=3V, IOH=-24mA VCC=1.65~3.6V, IOL=100μA VCC=1.65V, IOL=4mA VCC=2.3V, IOL=8mA VCC=2.7V, IOL=12mA VCC=3V, IOL=24mA VCC=3.6V, VIN=0 to 5.5V VCC=0V, VIN or VOUT=5.5V VCC=3.6V, VOUT=0 to 5.5V VCC=3.6V, VIN=VCC or GND, IOUT=0 , VCC=3.6V,3.6V≤VIN≤5.5V IOUT=0(Note 2) VCC=2.7~3.6V One input at VCC-0.6V Other inputs at VCC or GND VCC=3.3V, VIN=VCC or GND VCC=3.3V, VOUT=VCC or GND MIN VCC -0.2 1.2 1.7 2.2 2.4 2.2 0.2 0.45 0.7 0.4 0.55 ±5 ±10 ±10 10 V V V V V V V V V V μA μA μA μA 10 μA 500 μA pF pF SWITCHING CHARACTERISTICS(Ta=25°С) PARAMETER SYMBOL From CLK to Q tPLH/tPHL From OE to Q tPZL/tPZH From OE to Q tPLZ/tPHZ Maximum Clock Frequency Clock Frequency fMAX fCLOCK Pulse Width tW Setup Time tSU Hold Time th UNIT V 4 5.5 Input Capacitance CI CO Output Capacitance Notes: 1. VCC=3.3V. 2. This applies in the disabled state only. TYP MAX (Note1) TEST CONDITIONS VCC=2.7V VCC=3.3V±0.3V VCC=2.7V VCC=3.3V±0.3V VCC=2.7V VCC=3.3V±0.3V VCC=2.7V VCC=3.3V±0.3V VCC=2.7V VCC=3.3V±0.3V VCC=2.7V VCC=3.3V±0.3V VCC=2.7V VCC=3.3V±0.3V VCC=2.7V VCC=3.3V±0.3V MIN TYP 1.5 1.5 1.5 80 100 MAX 8.1 7 8.5 7.5 7.1 6.5 80 100 3.3 3.3 2 2 1.5 1.5 UNIT ns ns ns ns ns ns MHz MHz MHz MHz ns ns ns ns ns ns OPERATING CHARACTERISTICS(Ta=25°С) PARAMETER SYMBOL TEST CONDITIONS Power Dissipation Outputs Enabled f=10MHz, VCC=3.3V±0.3V CPD Capacitance Per Flip-flop Outputs Disabled f=10MHz, VCC=3.3V±0.3V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN TYP 54.5 13.5 MAX UNIT pF pF 4 of 6 QW-R502-369.A U74LVC374 CMOS IC TEST CIRCUIT AND WAVEFORMS S VLOAD Open RL GND From Output CL TEST tPLH/tPHL tPHZ/tPZH tPLZ/tPZL RL S Open GND VLOAD TEST CIRCUIT Inputs VCC VIN VCC VCC 2.7V 2.7V 1.8V±0.15V 2.5V±0.2V 2.7V 3.3V±0.3V tR, tF ≤2ns ≤2ns ≤2.5ns ≤2.5ns VM VLOAD VΔ CL RL VCC/2 VCC/2 1.5V 1.5V 2 x VCC 2 x VCC 6V 6V 0.15V 0.15V 0.3V 0.3V 30pF 30pF 50pF 50pF 1KΩ 500Ω 500Ω 500Ω tW VIN Input VM VM 0V SETUP TIME AND HOLD TIME PULSE WIDTH VIN Input VM VM tPLH tPHL 0V VOH Output VM VM VOL PROPAGATION DELAY TIMES ENABLE AND DISABLE TIMES Note: CL includes probe and jig capacitance. All input pulses are supplied by generators having the following characteristics: PRR ≤10MHz, Zo = 50Ω. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 6 QW-R502-369.A U74LVC374 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 6 of 6 QW-R502-369.A