U74AHCT32

UNISONIC TECHNOLOGIES CO., LTD U74AHCT32 QUADRUPLE 2-INPUT POSITIVE-OR GATES „ DESCRIPTION The U74AHCT32 contains four independent 2-input OR gates. Each gate provides the function Y=A+B in positive logic. „ FEATURES * Inputs Are TTL-Voltage Compatible * Low Power Dissipation * Balanced Propagation Delays CMOS IC SOP-14 „ ORDERING INFORMATION „ ORDERING INFORMATION Ordering Number U74AHCT32G-S14-R Package SOP-14 Packing Tape Reel www.unisonic.com.tw Copyright © 2010 Unisonic Technologies Co., Ltd 1 of 4 QW-R502-453.A U74AHCT32 „ PIN CONFIGURATION 1A 1B 1Y 2A 2B 2Y GND 1 2 3 4 5 6 7 14 VCC 13 4B 12 4A 11 4Y 10 3B 9 3A 8 3Y „ FUNCTION TABLE (Each Gate) INPUTS A INPUTS B OUTPUT LLL L HH HLH HHH Note: H: HIGH voltage level; L: LOW voltage level. Y „ LOGIC SYMBOL (Positive Logic) CMOS IC Logic symbol „ LOGIC DIAGRAM A B IEC logic symbol Y UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 4 QW-R502-453.A U74AHCT32 CMOS IC „ ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT Supply Voltage Input Voltage VCC -0.5 ~ +7 V VIN -0.5 ~ +7 V Output Voltage VOUT -0.5 ~ VCC +0.5 V VCC or GND Current Output Current (VOUT=0 ~ VCC) ICC ±50 mA IOUT ±25 mA Input Clamping Current (VIN<-0.5V) IIK -20 mA Output Clamping Current (VOUT<0 or VOUT> VCC) Storage Temperature IOK TSTG ±20 -65 ~ + 150 mA °C Note 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. Absolute maximum ra...