The HEF4001B provides the positive quadruple 2-input NOR function. The outputs are fully buffered for highest noise immunity and pattern insensitivity of output impedance.
Datasheet – Product page (related)
Manufactured: 1977 week 44
The HEF4001B provides the positive quadruple 2-input NOR function. The outputs are fully buffered for highest noise immunity and pattern insensitivity of output impedance.
Datasheet – Product page (related)
Manufactured: 1977 week 44