SDFS006A -MARCH 1987 -REVISED OCTOBER 1993 SN54F21 . J PACKAGE
SN74F21 . D OR N PACKAGE
(TOP VIEW) Package Options Include Plastic
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs 1A
1B
NC
1C
1D
1Y
GND description
These devices contain two independent 4-input
AND gates. They perform the Boolean functions
Y = A B C D or Y = A + B + C + D in positive
logic.
The SN54F21 is characterized for operation over
the full military temperature range of -55В°C to
125В°C. The SN74F21 is characterized for …
