54ABT240E-QML National Semiconductor, 54ABT240E-QML Datasheet

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54ABT240E-QML

Manufacturer Part Number
54ABT240E-QML
Description
Octal Buffer/Line Driver with TRI-STATE Outputs
Manufacturer
National Semiconductor
Datasheet
© 1998 National Semiconductor Corporation
54ABT240
Octal Buffer/Line Driver with TRI-STATE
General Description
The ’ABT240 is an inverting octal buffer and line driver de-
signed to be employed as a memory address driver, clock
driver and bus oriented transmitter or receiver which pro-
vides improved PC board density.
Features
n Output sink capability of 48 mA, source capability of
Ordering Code
Connection Diagrams
TRI-STATE
24 mA
®
is a registered trademark of National Semiconductor Corporation.
54ABT240J-QML
54ABT240W-QML
54ABT240E-QML
for DIP and Flatpak
Pin Assignment
Military
DS100202
DS100202-1
Package
Number
W20A
E20A
J20A
20-Lead Ceramic Dual-In-Line
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier, Type C
n Guaranteed latchup protection
n High impedance glitch free bus loading during entire
n Nondestructive hot insertion capability
n Standard Microcircuit Drawing (SMD) — 5962-9318801
OE
I
O
Pin Names
0
power up and power down cycle
–I
0
–O
1
7
, OE
Package Description
7
2
TRI-STATE Output
Enable Inputs
Inputs
Outputs
Description
Pin Assignment
®
for LCC
Outputs
DS100202-2
www.national.com
July 1998

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54ABT240E-QML Summary of contents

Page 1

... PC board density. Features n Output sink capability of 48 mA, source capability Ordering Code Military 54ABT240J-QML 54ABT240W-QML 54ABT240E-QML Connection Diagrams Pin Assignment for DIP and Flatpak DS100202-1 TRI-STATE ® registered trademark of National Semiconductor Corporation. © 1998 National Semiconductor Corporation DS100202 ® ...

Page 2

Truth Tables Inputs (Pins 12, 14, 16, 18 Inputs (Pins HIGH Voltage Level L ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias Ceramic V Pin Potential to CC Ground Pin Input Voltage (Note 2) Input Current (Note 2) − ...

Page 4

AC Electrical Characteristics Symbol Parameter t Propagation Delay PLH t Data to Outputs PHL t Output Enable PZH t Time PZL t Output Disable PHZ t Time PLZ Capacitance Symbol Parameter C Input Capacitance IN C (Note 5) Output Capacitance ...

Page 5

AC Waveforms FIGURE 4. TRI-STATE Output HIGH and LOW Enable and Disable Times DS100202-6 FIGURE 5. Propagation Delay Waveforms for Inverting and Non-Inverting Functions 5 DS100202-7 www.national.com ...

Page 6

6 ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Ceramic Dual-In-Line Package (D) 20-Terminal Ceramic Chip Carrier (L) NS Package Number E20A NS Package Number J20A 7 www.national.com ...

Page 8

... National Semiconductor Asia Pacific Customer Fax: +49 (0) 1 80-530 85 86 Response Group Email: europe.support@nsc.com Tel: 65-2544466 Fax: 65-2504466 Tel: +49 (0) 1 80-532 78 32 Email: sea.support@nsc.com Tel: +49 (0) 1 80-534 16 80 National Semiconductor Japan Ltd. Tel: 81-3-5620-6175 Fax: 81-3-5620-6179 ...

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