74F251ASC Datasheet PDF - National
| Part Number | 74F251ASC | |
| Description | 8-Input Multiplexer with TRI-STATE Outputs | |
| Manufacturers | National | |
| Logo |  |
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November 1994
54F 74F251A
8-Input Multiplexer with TRI-STATE Outputs
General Description
The ’F251A is a high-speed 8-input digital multiplexer It pro-
vides in one package the ability to select one bit of data
from up to eight sources It can be used as a universal func-
tion generator to generate any logic function of four vari-
ables Both assertion and negation outputs are provided
Features
Y Multifunctional capability
Y On-chip select logic decoding
Y Inverting and non-inverting TRI-STATE outputs
Commercial
74F251APC
74F251ASC (Note 1)
74F251ASJ (Note 1)
Military
54F251ADM (Note 2)
54F251AFM (Note 2)
54F251ALL (Note 2)
Package
Number
N16E
J16A
M16A
M16D
W16A
E20A
Package Description
16-Lead (0 300 Wide) Molded Dual-In-Line
16-Lead Ceramic Dual-In-Line
16-Lead (0 150 Wide) Molded Small Outline JEDEC
16-Lead (0 300 Wide) Molded Small Outline EIAJ
16-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier Type C
Note 1 Devices also available in 13 reel Use suffix e SCX and SJX
Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB
Logic Symbols
Connection Diagrams
Pin Assignment for
DIP SOIC and Flatpak
Pin Assignment
for LCC
IEEE IEC
TL F 9504–3
TL F 9504 – 1
TL F 9504 – 2
TL F 9504–5
TRI-STATE is a registered trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation TL F 9504
RRD-B30M75 Printed in U S A
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Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are
defined as follows
74F 251A S C X
Temperature Range Family
74F e Commercial
54F e Military
Device Type
Package Code
P e Plastic DIP
D e Ceramic DIP
F e Flatpak
L e Leadless Chip Carrier (LCC)
S e Small Outline SOIC JEDEC
SJ e Small Outline SOIC EIAJ
Special Variations
QB e Military grade device with
environmental and burn-in
processing
X e Devices shipped in 13 reel
Temperature Range
C e Commercial (0 C to a70 C)
M e Military (b55 C to a125 C)
Physical Dimensions inches (millimeters)
20-Lead Ceramic Leadless Chip Carrier (L)
NS Package Number E20A
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74F251ASC electronic component. |
| Information | Total 8 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ 74F251ASC.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| 74F251ASC | The function is 8-Input Multiplexer with 3-STATE Outputs. Fairchild |  |
| 74F251ASC | The function is 8-Input Multiplexer with TRI-STATE Outputs. National | |
| 74F251ASJ | The function is 8-Input Multiplexer with 3-STATE Outputs. Fairchild | |
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