TL F 634754LS08 DM54LS08 DM74LS08 Quad 2-Input AND Gates

June1989

54LS08 DM54LS08 DM74LS08Quad2-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(54LS08)is avail-

able Contact a National Semiconductor Sales Office

Distributor for specifications

Connection Diagram

Dual-In-Line Package

TL F 6347–1

Order Number54LS08DMQB 54LS08FMQB 54LS08LMQB DM54LS08J DM54LS08W DM74LS08M or DM74LS08N

See NS Package Number E20A J14A M14A 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 元器件交易網www.cecb2b.com

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 Voltage7V Operating Free Air Temperature Range

DM54LS and54LS b55 C to a125 C DM74LS0 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

DM54LS08DM74LS08

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 70 8V I OH High Level Output Current b0 4b0 4mA I OL Low Level Output Current48mA 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 b18mA b1 5V V OH High Level Output V CC e Min I OH e Max DM542 53 4

V Voltage V IH e Min DM742 73 4

V OL Low Level Output V CC e Min I OL e Max DM540 250 4 Voltage V IL e Max DM740 350 5V

I OL e4mA V CC e Min DM740 250 4

I I Input Current Max V CC e Max V I e7V

0 1mA

Input Voltage

I IH High Level Input Current V CC e Max V I e2 7V20m A I IL Low Level Input Current V CC e Max V I e0 4V b0 36mA

I OS Short Circuit V CC e Max DM54b20b100

mA Output Current(Note2)DM74b20b100

I CCH Supply Current with V CC e Max

2 44 8mA

Outputs High

I CCL Supply Current with V CC e Max

4 48 8mA

Outputs Low

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

R L e2k X

Symbol Parameter C L e15pF C L e50pF Units

Min Max Min Max

t PLH Propagation Delay Time

413618ns Low to High Level Output

t PHL Propagation Delay Time

311518ns 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 and the duration should not exceed one second

2

3

Physical Dimensions inches(millimeters)

Ceramic Leadless Chip Carrier Package(E)

Order Number54LS08LMQB

NS Package Number E20A

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

Order Number54LS08DMQB or DM54LS08J

NS Package Number J14A

4

Physical Dimensions inches(millimeters)(Continued)

14-Lead Small Outline Molded Package(M)

Order Number DM74LS08M

NS Package Number M14A

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

Order Number DM74LS08N

NS Package Number N14A

5