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National-products Inverter User Manual

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TL/F/6353
54LS14/DM74LS14 Hex Inverters with Schmitt Trigger Inputs
June 1989
54LS14/DM74LS14 Hex Inverters
with Schmitt Trigger Inputs
General Description
This device contains six independent gates each of which
performs the logic INVERT function. Each input has hyster-
esis which increases the noise immunity and transforms a
slowly changing input signal to a fast changing, jitter free
output.
Connection Diagram
Dual-In-Line Package
TL/F/6353–1
Order Number 54LS14DMQB, 54LS14FMQB,
54LS14LMQB, DM74LS14M or DM74LS14N
See NS Package Number E20A, J14A, M14A, N14A or W14B
Function Table
Y
e
A
Input Output
AY
LH
HL
H
e
High Logic Level
L
e
Low Logic Level
C
1995 National Semiconductor Corporation RRD-B30M105/Printed in U. S. A.
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Summary of Contents

Page 1 - 54LS14/DM74LS14 Hex Inverters

TL/F/635354LS14/DM74LS14 Hex Inverters with Schmitt Trigger InputsJune 198954LS14/DM74LS14 Hex Inverterswith Schmitt Trigger InputsGeneral Description

Page 2

Absolute Maximum Ratings (Note)If Military/Aerospace specified devices are required,please contact the National Semiconductor SalesOffice/Distributors

Page 3

Switching Characteristics at VCCe5V and TAe25§C (See Section 1 for Test Waveforms and Output Load)RLe2kXSymbol Parameter CLe15 pF CLe50 pF UnitsMin Ma

Page 4

Physical Dimensions inches (millimeters)Ceramic Leadless Chip Carrier (E)Order Number 54LS14LMQBNS Package Number E20A14-Lead Ceramic Dual-In-Line Pac

Page 5

Physical Dimensions inches (millimeters) (Continued)14-Lead Small Outline Molded Package (M)Order Number DM74LS14MNS Package Number M14A14-Lead Molded

Page 6

54LS14/DM74LS14 Hex Inverters with Schmitt Trigger InputsPhysical Dimensions inches (millimeters) (Continued)14-Lead Ceramic Flat Package (W)Order Num

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