Transmisor

Solo disponible en BuenasTareas
  • Páginas : 2 (384 palabras )
  • Descarga(s) : 0
  • Publicado : 13 de noviembre de 2011
Leer documento completo
Vista previa del texto
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 PackageOutlines/Information HEF, HEC

HEF4072B gates Dual 4-input OR gate
Product specification File under Integrated Circuits, IC04 January 1995

Philips Semiconductors

Product specification

Dual 4-input ORgate
DESCRIPTION The HEF4072B provides the positive dual 4-input OR function. The outputs are fully buffered for highest noise immunity and pattern insensitivity of output impedance.

HEF4072Bgates

Fig.2 Pinning diagram.

HEF4072BP(N): 14-lead DIL; plastic (SOT27-1) HEF4072BD(F): 14-lead DIL; ceramic (cerdip) (SOT73) HEF4072BT(D): 14-lead SO; plastic Fig.1 Functional diagram. (SOT108-1) (): Package Designator North America

Fig.3 Logic diagram (one gate).

FAMILY DATA, IDD LIMITS category GATES See Family Specifications

January 1995

2

Philips Semiconductors

Productspecification

Dual 4-input OR gate
AC CHARACTERISTICS VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns VDD V Propagation delays In → On HIGH to LOW 5 10 15 5 LOW to HIGH Outputtransition times HIGH to LOW 10 15 5 10 15 5 LOW to HIGH 10 15 tTLH tTHL tPLH tPHL 80 35 25 75 35 25 60 30 20 60 30 20 155 70 55 145 70 55 120 60 40 120 60 40 ns ns ns ns ns ns ns ns ns ns ns ns SYMBOLTYP. MAX.

HEF4072B gates

TYPICAL EXTRAPOLATION FORMULA 53 ns + (0,55 ns/pF) CL 24 ns + (0,23 ns/pF) CL 17 ns + (0,16 ns/pF) CL 48 ns + (0,55 ns/pF) CL 24 ns + (0,23 ns/pF) CL 17 ns + (0,16ns/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 1015

TYPICAL FORMULA FOR P (µW) 950 fi + ∑ (foCL) × VDD2 4500 fi + ∑ (foCL) × VDD 13 700 fi + ∑ (foCL) × VDD
2 2

where fi = input freq. (MHz) fo = output freq. (MHz) CL = load capacitance (pF) ∑...
tracking img