54F 74F181 4-Bit Arithmetic Logic Unit
August 1995
54F 74F181
4-Bit Arithmetic Logic Unit
General Description
The 鈥橣181 is a 4-bit Arithmetic logic Unit (ALU) which can
perform all the possible 16 logic operations on two variables
and a variety of arithmetic operations It is 40% faster than
the Schottky ALU and only consumes 30% as much power
Features
Y
Y
Full lookahead for high-speed arithmetic operation on
long words
Guaranteed 4000V minimum ESD protection
Commercial
74F181PC
74F181SPC
Military
Package
Number
N24A
N24C
Package Description
24-Lead (0 600 Wide) Molded Dual-In-Line
24-Lead (0 300 Wide) Molded Dual-In-Line
24-Lead Ceramic Dual-In-Line
24-Lead (0 300 ) Ceramic Dual-In-Line
24-Lead (0 300 ) Molded Small Outline JEDEC
24-Lead Cerpack
24-Lead Ceramic Leadless Chip Carrier Type C
54F181DM (Note 2)
54F181SDM (Note 2)
74F181SC (Note 1)
54F181FM (Note 2)
54F181LM (Note 2)
Note 1
Devices also available in 13 reel Use suffix
e
SCX
J24A
J24F
M24B
W24C
E28A
Note 2
Military grade device with environmental and burn-in processing Use suffix
e
DMQB FMQB and LMQB
Connection Diagrams
Pin Assignment
for DIP SOIC and Flatpak
Pin Assignment
for LCC
TL F 9491 鈥?2
TL F 9491 鈥?1
TRI-STATE is a registered trademark of National Semiconductor Corporation
C
1995 National Semiconductor Corporation
TL F 9491
RRD-B30M105 Printed in U S A