5408DMQB中文资料

TL F 64985408 DM5408 DM7408 Quad 2-Input AND Gates

June1989 5408 DM5408 DM7408

Quad2-Input AND Gates

General Description

This device contains four independent gates each of which

performs the logic AND function

Features

Y Alternate Military Aerospace device(5408)is available

Contact a National Semiconductor Sales Office Distrib-

utor for specifications

Connection Diagram

Dual-In-Line Package

TL F 6498–1

Order Number5408DMQB 5408FMQB DM5408J DM5408W or DM7408N

See NS Package Number J14A N14A or W14B

Function Table

Y e AB

Inputs Output

A B Y

L L L

L H L

H L L

H H H

H e High Logic Level

L e Low Logic Level

C1995National Semiconductor Corporation RRD-B30M105 Printed in U S A

Absolute Maximum Ratings(Note)

If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage7V Input Voltage5 5V Operating Free Air Temperature Range

DM54and54b55 C to a125 C DM740 C to a70 C Storage Temperature Range b65 C to a150 C Note The‘‘Absolute Maximum Ratings’’are those values beyond which the safety of the device cannot be guaran-teed The device should not be operated at these limits The parametric values defined in the‘‘Electrical Characteristics’’table are not guaranteed at the absolute maximum ratings The‘‘Recommended Operating Conditions’’table will define the conditions for actual device operation

Recommended Operating Conditions

Symbol Parameter

DM5408DM7408

Units Min Nom Max Min Nom Max

V CC Supply Voltage4 555 54 7555 25V V IH High Level Input Voltage22V V IL Low Level Input Voltage0 80 8V I OH High Level Output Current b0 8b0 8mA I OL Low Level Output Current1616mA T A Free Air Operating Temperature b55125070 C

Electrical Characteristics over recommended operating free air temperature range(unless otherwise noted)

Symbol Parameter Conditions Min

Typ

Max Units (Note1)

V I Input Clamp Voltage V CC e Min I I e b12mA b1 5V

V OH High Level Output V CC e Min I OH e Max

2 4

3 4V

Voltage V IL e Max

V OL Low Level Output V CC e Min I OL e Max

0 20 4V

Voltage V IH e Min

I I Input Current Max V CC e Max V I e5 5V

1mA Input Voltage

I IH High Level Input Current V CC e Max V I e2 4V40m A

I IL Low Level Input Current V CC e Max V I e0 4V b1 6mA

I OS Short Circuit V CC e Max DM54b20b55

mA Output Current(Note2)DM74b18b55

I CCH Supply Current with V CC e Max

1121mA Outputs High

I CCL Supply Current with V CC e Max

2033mA Outputs Low

Switching Characteristics at V CC e5V and T A e25 C(See Section1for Test Waveforms and Output Load)

Symbol Parameter Conditions Min Max Units

t PLH Propagation Delay Time C L e15pF

27ns Low to High Level Output R L e400X

t PHL Propagation Delay Time

19ns High to Low Level Output

Note1 All typicals are at V CC e5V T A e25 C

Note2 Not more than one output should be shorted at a time

2

Physical Dimensions inches(millimeters)

14-Lead Ceramic Dual-In-Line Package(J)

Order Number5408DMQB or DM5408J

NS Package Number J14A

14-Lead Molded Dual-In-Line Package(N)

Order Number DM7408N

NS Package Number N14A

3

5408 D M 5408 D M 7408Q u a d 2-I n p u t A N D G a t e s

Physical Dimensions inches (millimeters)(Continued)

14-Lead Ceramic Flat Package (W)Order Number 5408FMQB or DM5408W

NS Package Number W14B

LIFE SUPPORT POLICY

NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or 2 A critical component is any component of a life systems which (a)are intended for surgical implant support device or system whose failure to perform can into the body or (b)support or sustain life and whose be reasonably expected to cause the failure of the life failure to perform when properly used in accordance support device or system or to affect its safety or with instructions for use provided in the labeling can effectiveness

be reasonably expected to result in a significant injury to the user

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