Permit Multiplexing From n Lines to
One Line
Perform Parallel-to-Serial Conversion
Strobe (Enable) Line Provided for
Cascading (n Lines to n Lines)
′ALS253 and SN74AS253A Are 3-State
Versions of These Parts
Package Options Include Plastic
Small-Outline (D) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs

description
These dual 1-of-4 data selectors/multiplexers
contain inverters and drivers to supply full binary
decoding data selection to the AND-OR gates.
Separate strobe (G) inputs are provided for each
of the two 4-line sections.
The SN54ALS153 is characterized for operation
over the full military temperature range of −55°C
to 125°C. The SN74ALS153 and SN74AS153 are
characterized for operation from 0°C to 70°C.