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INTEGRATED CIRCUITS

DATA SHEET
For a complete data sheet, please also download:
· The IC04 LOCMOS HE4000B Logic Family Specifications HEF, HEC · The IC04 LOCMOS HE4000B Logic Package Outlines/Information HEF, HEC

HEF4002B gates Dual 4-input NOR gate
Product specification File under Integrated Circuits, IC04 January 1995

Philips Semiconductors

Product specification

Dual 4-input NOR gate
DESCRIPTION The HEF4002B provides the positive dual 4-input NOR function. The outputs are fully buffered for highest noise immunity and pattern insensitivity of output impedance.

HEF4002B gates

Fig.2 Pinning diagram.

HEF4002BP(N): HEF4002BD(F): HEF4002BT(D): Fig.1 Functional diagram.

14-lead DIL; plastic (SOT27-1) 14-lead DIL; ceramic (cerdip) (SOT73) 14-lead SO; plastic (SOT108-1)

( ): Package Designator North America

Fig.3 Logic diagram (one gate).

FAMILY DATA, IDD LIMITS category GATES See Family Specifications

January 1995

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Philips Semiconductors

Product specification

Dual 4-input NOR gate
AC CHARACTERISTICS VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times 20 ns VDD V Propagation delays In On Output transition times HIGH to LOW 5 10 15 5 10 15 5 LOW to HIGH 10 15 tTLH tTHL tPHL; tPLH SYMBOL TYP. 60 25 20 60 30 20 60 30 20 MAX. 120 50 40 120 60 40 120 60 40 ns ns ns ns ns ns ns ns ns

HEF4002B gates

TYPICAL EXTRAPOLATION FORMULA 33 ns + (0,55 ns/pF) CL 14 ns + (0,23 ns/pF) CL 12 ns + (0,16 ns/pF) CL 10 ns + (1,0 ns/pF) CL 9 ns + (0,42 ns/pF) CL 6 ns + (0,28 ns/pF) CL 10 ns + (1,0 ns/pF) CL 9 ns + (0,42 ns/pF) CL 6 ns + (0,28 ns/pF) CL

VDD V Dynamic power dissipation per package (P) 5 10 15

TYPICAL FORMULA FOR P (µW) 1050 fi + (foCL) × VDD2 4300 fi + (foCL) × VDD 11 700 fi + (foCL) ×
2

where fi = input freq. (MHz) fo = output freq. (MHz) CL = load capacitance (pF) (foCL) = sum of outputs VDD = supply voltage (V)

VDD2

January 1995

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