74HC21 (7421) Dual 4-input AND Gate IC SMD Package

74HC21 (7421) Dual 4-input AND Gate IC SMD Package.The 74HC21 (also known as 7421) is a High-Speed CMOS Dual 4-Input AND Gate IC. It contains two independent 4-input AND gates in a single package. Each gate outputs HIGH only when all four inputs are HIGH.Key FeaturesTwo (x2) 4-input AND gatesCMOS high-speed logicLow power consumptionWide operating voltage: 2V to 6VTypical propagation delay: ~9ns at 5VOutput drive capability: ±6mAHigh noise immunityApplicationsDigital logic circuitsControl systemsSignal gating and combiningSensor fusion logic (requiring 4 conditions to be true)Address decoding in microcontroller/microprocessor systemsTiming and synchronization circuitsData routing and switchingIndustrial automation and PLC logicEmbedded system logic controlSecurity systems (all triggers must be active)*product image for illustration purposes only. actual product may vary.