U74HC21

UNISONIC TECHNOLOGIES CO., LTD U74HC21 DUAL 4-INPUT AND GATES  DESCRIPTION The U74HC21 contains two independent 4-input AND gates.They perform the Boolean function Y=A  B  C  D or Y=A  B  C  D in positive logic.  FEATURES * Operation Voltage Range: 2~6V * Low Quiescent Current: ICC=2µA (Max.) * High Speed: tPD=11ns (Typ.) * Low Input Current: 100nA (Max.)  ORDERING INFORMATION Ordering Number Lead Free Halogen Free U74HC21L-S14-R U74HC21G-S14-R U74HC21L-P14-R U74HC21G-P14-R Package SOP-14 TSSOP-14 CMOS IC Packing Tape Reel Tape Reel  MARKING www.unisonic.com.tw Copyright © 2023 Unisonic Technologies Co., Ltd 1 of 5 QW-R502-632.F U74HC21  PIN CONFIGURATION 1A 1 1B 2 NC 3 1C 4 1D 5 1Y 6 GND 7 14 VCC 13 2D 12 2C 11 NC 10 2B 9 2A 8 2Y  FUNCTION TABLE INPUT(A) H L X X X INPUT(B) H X L X X  LOGIC DIAGRAM INPUT(C) H X X L X INPUT(D) H X X X L CMOS IC OUTPUT(Y) H L L L L UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R502-632.F U74HC21 CMOS IC  ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT Supply Voltage Input Clamp Current VCC -0.5 ~ 7 V IIK ±20 mA Output Clamp Current Output Current IOK ±20 mA IOUT ±25 mA VCC or GND Current Storage Temperature ICC TSTG ±50 mA -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.  RECOMMENDED OP...