Descripción
74HC21
2 compuertas AND 74HC21 de cuatro entradas.
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Una puerta lógica, o compuerta lógica, es un dispositivo electrónico con una función booleana. Suman, multiplican, niegan o afirman, incluyen o excluyen según sus propiedades lógicas. Se pueden aplicar a tecnología electrónica, eléctrica, mecánica, hidráulica y neumática. Son circuitos de conmutación integrados en un chip.
Características:
- 2 compuertas AND de cuatro entradas
- Tecnología: High Speed CMOS (HC)
- Funcionamiento lógico y organización de pines compatible con la familia LS-TTL
- Alta inmunidad al ruido
- Muy bajo consumo de potencia, similar a los C.I. CMOS estándar
- Velocidades similares a la familia LS-TTL
- Voltaje de alimentación: 2 V a 6 V
- Encapsulado: DIP 14 pines




