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:
74AC 125
P
C
QR
Temperature Range Family
Special Variations
e
e
e
74AC
54AC
Commercial
Military
X
QR
Devices shipped in 13 reels
×
e
Commercial grade device
with burn-in
e
74ACT
Commercial TTL-Compatible
e
QB
Military grade device with
environmental and burn-in
processing shipped in tubes
Device Type
Package Code
e
e
e
e
e
P
D
F
L
Plastic DIP
Ceramic DIP
Flatpak
Leadless Ceramic Chip Carrier (LCC)
Small Outline (SOIC)
Temperature Range
e
e
b a
C
M
Commercial ( 40 C to 85 C)
§
§
b a
Military ( 55 C to 125 C)
§
§
S
5
NSC [ National Semiconductor ]
