UNISONIC TECHNOLOGIES CO., LTD U74LVC373 CMOS IC OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS DESCRIPTION The UTC U74LVC373 is a octal transparent D-type latch with 3-state outputs, and it has 8 channels. FEATURES * Operate from 1.65V to 3.6V * Inputs accept voltages to 5.5V * Max tpd of 6.8ns @ 3.3V * Typical VOL<0.8V @ VCC=3.3V, Ta=25°C * Typical VOH>2.0V @ VCC=3.3V, Ta=25°C * Support mixed-mode signal operation on all ports (5V input/output voltage with 3.3V VCC) * I off supports partial-power-down mode operation * Halogen Free ORDERING INFORMATION Ordering Number U74LVC373G-P20-R U74LVC373G-R20-R Package TSSOP-20 SSOP-20 www.unisonic.com.tw Copyright © 2009 Unisonic Technologies Co., Ltd Packing Tape Reel Tape Reel 1 of 5 QW-R502-265.B U74LVC373 PIN CONFIGURATION FUNCTION TABLE INPUTS( OE ) INPUTS(LE) L H L H L L H X Note: H: HIGH voltage level; L: LOW voltage level. LOGIC SYMBOL LOGIC DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw CMOS IC INPUTS(D) H L X X OUTPUT(Q) H L Q0 Z 2 of 5 QW-R502-265.B U74LVC373 CMOS IC ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL VCC VIN RATINGS UNIT -0.5 ~ 6.5 V -0.5 ~ 6.5 V -0.5 ~ 6.5 (Note 2) Output Voltage VOUT V -0.5 ~ VCC +0.5 (Note 3) 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 ℃ Storage Temperature TSTG -65 ~ + 150 ℃ Note: 1. 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. 2. Voltage range applied to any output in the high-impedance or power-off state. 3. Voltage range applied to any output in the high or low state, and VCC is provided in the recommended operating conditions table. Supply Voltage Input Voltage THERMAL CHARACTERISTICS PARAMETER SYMBOL θJA Junction-to-Ambient MIN TYP MAX 115 UNIT ℃/W RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL Supply Voltage VCC High-level Input Voltage VIH Low-level Input Voltage VIL Input Voltage VIN Output Voltage VOUT High-level Output Current IOH Low-level Output Current IOL Input Rise or Fall Times tR, tF TEST CONDITIONS Operating Data retention only VCC=1.65V to 1.95V VCC=2.3V to 2.7V VCC=2.7V to 3.6V VCC=1.65V to 1.95V 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 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 1.65 1.5 TYP MAX 3.6 UNIT V 0.65×VCC V 1.7 2 0.35×VCC 0 0 0 0 0.7 0.8 5.5 VCC 5.5 -4 -8 -12 -24 4 8 12 24 10 V V V mA mA ns/V 3 of 5 QW-R502-265.B U74LVC373 CMOS IC ELECTRICAL CHARACTERISTICS PARAMETER Output Voltage High-Level Output Voltage Low-Level Input Leakage Current Power OFF Leakage Current Disable Output Leakage Current Quiescent Supply Current Additional Quiescent Supply Current SYMBOL VOH VOL II(LEAK) IOFF IOZ IQ Δ IQ TEST CONDITIONS MIN VCC=1.65~3.6V, IOH=-100μA VCC-0.2 VCC=1.65V, IOH=-4mA 1.2 VCC=2.3V, IOH=-8mA 1.7 VCC=2.7V, IOH=-12mA 2.2 VCC=3V, IOH=-12mA 2.4 VCC=3V, IOH=-24mA 2.2 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 Input Capacitance CI CO Output Capacitance Note: 1. VCC=3.3V, Ta=25°C 2. This applies in the disabled state only. UNIT V 0.2 0.45 0.7 0.4 0.55 ±5 ±10 ±10 10 μA μA μA μA 10 μA 500 μA 4 5.5 V pF pF SWITCHING CHARACTERISTICS PARAMETER SYMBOL From D to Q tPLH/tPHL From LE to Q From OE to Q tPZL/tPZH From OE to Q tPLZ/tPHZ Pulse Width tW Setup Time tSU Hold Time th TYP MAX (Note 1) 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 MIN TYP 1.5 2 1.5 1.5 3.3 3.3 2 2 1.5 1.5 MAX 7.8 6.8 8.2 7.6 8.7 7.7 7.6 7 UNIT ns ns ns ns ns ns OPERATING CHARACTERISTICS(Ta=25°С) PARAMETER Power Dissipation Capacitance SYMBOL Cpd TEST CONDITIONS OE=0, f=10MHz, VCC=3.3V±0.3V OE=1, f=10MHz, VCC=3.3V±0.3V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN TYP 46 3 MAX UNIT pF 4 of 5 QW-R502-265.B U74LVC373 CMOS IC TEST CIRCUIT AND WAVEFORMS VCC VIN 1.8V±0.15V 2.5V±0.2V 2.7V 3.3V±0.3V VCC VCC 2.7V 2.7V tPLZ/tPZL (VLOAD) 2×VCC 2×VCC 6V 6V tPLH/tPHL tPHZ/tPZH CL OPEN OPEN OPEN OPEN OPEN GND GND GND 30pF 30pF 50pF 50pF RL (Note 1) 1kΩ 500Ω 500Ω 500Ω △V 0.15V 0.15V 0.3V 0.3V Note: 1. CL includes probe and jig capacitance. Note: 2. PRR≤10MHz, ZO=50Ω, tTHL≤2ns, tTLH≤2ns. 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-R502-265.B