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HEF4001UB

Quadruple 2-input NOR gate

Philips Electronics 

Philips Semiconductors

Quadruple 2-input NOR gate

DESCRIPTION

The HEF4001UB is a quadruple 2-input NOR gate. This

unbuffered single stage version provides a direct

implementation of the NOR function. The output

impedance and output transition time depends on the input

voltage and input rise and fall times applied.

Product specification

HEF4001UB

gates

Fig.1 Functional diagram.

Fig.2 Pinning diagram.

HEF4001UBP(N): 14-lead DIL; plastic

(SOT27-1)

HEF4001UBD(F): 14-lead DIL; ceramic (cerdip)

(SOT73)

HEF4001UBT(D): 14-lead SO; plastic

(SOT108-1)

( ): Package Designator North America

FAMILY DATA, IDD LIMITS category GATES

See Family Specifications for VIH/VIL unbuffered stages

Fig.3 Schematic diagram (one gate). The

splitting-up of the p-transistors provide

identical inputs.

January 1995

2

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