HEF4519B PDF даташит
Спецификация HEF4519B изготовлена «NXP Semiconductors» и имеет функцию, называемую «Quadruple 2-input multiplexer». |
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Детали детали
Номер произв | HEF4519B |
Описание | Quadruple 2-input multiplexer |
Производители | NXP Semiconductors |
логотип |
4 Pages
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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
HEF4519B
MSI
Quadruple 2-input multiplexer
Product specification
File under Integrated Circuits, IC04
January 1995
No Preview Available ! |
Philips Semiconductors
Quadruple 2-input multiplexer
Product specification
HEF4519B
MSI
DESCRIPTION
The HEF4519B provides four multiplexing circuits with
common select inputs (SA, SB); each circuit contains two
inputs (An, Bn) and one output (On). It may be used to
select four bits of information from one of two sources.
The ‘A’ inputs are selected when SA is HIGH, the ‘B’ inputs
when SB is HIGH. When SA and SB are HIGH, the output
(On) is the logical EXCLUSIVE-NOR of the An and
Bn inputs (On = An Bn).
When SA and SB are LOW, the output (On) is LOW,
independent of the multiplexer inputs (An and Bn).
The HEF4519B cannot be used to multiplex analogue
signals. The outputs utilize standard buffers for best
performance.
Fig.1 Functional diagram.
Fig.2 Pinning diagram.
PINNING
SA, SB
A0 to A3
Bo to B3
O0 to O3
selects inputs (active HIGH)
multiplexer inputs
multiplexer inputs
multiplexer outputs
FAMILY DATA, IDD LIMITS category MSI
See Family Specifications
HEF4519BP(N): 16-lead DIL; plastic (SOT38-1)
HEF4519BD(F): 16-lead DIL; ceramic (cerdip)
(SOT74)
HEF4519BT(D): 16-lead SO; plastic (SOT109-1)
( ): Package Designator North America
January 1995
2
No Preview Available ! |
Philips Semiconductors
Quadruple 2-input multiplexer
Product specification
HEF4519B
MSI
Fig.3 Logic diagram.
FUNCTION TABLE
INPUTS
OUTPUT
SA SB An Bn
L L XX
H L An X
L H X Bn
H HLL
H H HL
H H LH
H H HH
On
L
An
Bn
H
L
L
H
Notes
1. H = HIGH state (the more positive voltage)
L = LOW state (the less positive voltage)
X = state is immaterial
January 1995
3
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Номер в каталоге | Описание | Производители |
HEF4519B | Quadruple 2-input multiplexer | NXP Semiconductors |
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