U74HCT14

UNISONIC TECHNOLOGIES CO., LTD U74HCT14 HIGH-SPEED CMOS LOGIC HEX INVERTING SCHMITT TRIGGER SOP-14 CMOS IC DESCRIPTION The UTC 74HCT14 each contain six inverting Schmitt triggers in one package. Each of them perform the Boolean function Y=A. FEATURES * Widely range of input rise and fall time * high noise immunity * Fan-out parameters(over temperature range) up to 10 LSTTL Loads * Low power consumption * Wide range operation 4.5V ~ 5.5V DIP-14 *Pb-free plating product number: 74HCT14L ORDERING INFORMATION Order Number Normal Lead Free Plating U74HCT14-D14-T U74HCT14L-D14-T U74HCT14-S14-R U74HCT14L-S14-R U74HCT14-S14-T U74HCT14L-S14-T www.DataSheet4U.com Package DIP-14 SOP-14 SOP-14 Packing Tube Tape Reel Tube U74HCT14L-D14-T (1)Packing Type (2)Package Type (3)Lead Plating (1) R: Tape Reel, T: Tube (2) D14: DIP-14, S14: SOP-14 (3) L: Lead Free Plating, Blank: Pb/Sn www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd 1 of 5 QW-R502-090,A U74HCT14 PIN CONFIGURATION 1A 1 1Y 2 2A 3 2Y 4 3A 5 3Y 6 GND 7 14 VCC 13 6A 12 6Y 11 5A 10 5Y 9 8 4A 4Y CMOS IC FUNCTIONAL DIAGRAM VCC 6A 14 13 6Y 12 5A 11 5Y 10 4A 9 4Y 8 1 1A 2 1Y 3 2A 4 5 6 7 3Y GND 2Y 3A TRUTH TABLE INPUT(A) L H H=High level L=Low Level OUTPUT(Y) H L UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R502-090,A U74HCT14 LOGIC DIAGRAM CMOS IC A Y VOUT VCC VTH VTH=VIH-VIL GND VIL VIH VIN VIH VCC VIN GND VCC VOUT GND VIL VTH Figure 1. Hysteresis Definition ,...