54F402 NSC [National Semiconductor], 54F402 Datasheet - Page 9

• Manufacturer Part Number: 54F402
• Description: Serial Data Polynomial Generator/Checker
• Manufacturer: NSC [National Semiconductor]

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
Temperature Range Family
Device Type
Package Code
74F
54F
P
D
F
L
e
e
e
e
e
e
Commercial
Military
Plastic DIP
Ceramic DIP
Flatpak
Leadless Chip Carrier (LCC)
74F
402
9
P
C
Special Variations
Temperature Range
QB
C
M
e
e
e
Commercial (0 C to
Military (
Military grade device with
environmental and burn-in
processing
b
55 C to
a
a
125 C)
70 C)