54F251ADM Datasheet, PDF (5/8 Pages) National Semiconductor (TI) – 8-Input Multiplexer with TRI-STATE Outputs

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