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L4C381

LOGIC Devices Incorporated
Part Number L4C381
Manufacturer LOGIC Devices Incorporated
Description 16-bit Cascadable ALU
Published Mar 22, 2005
Detailed Description L4C381 DEVICES INCORPORATED 16-bit Cascadable ALU L4C381 DEVICES INCORPORATED 16-bit Cascadable ALU DESCRIPTION The ...
Datasheet PDF File L4C381 PDF File

L4C381
L4C381

Overview
L4C381 DEVICES INCORPORATED 16-bit Cascadable ALU L4C381 DEVICES INCORPORATED 16-bit Cascadable ALU DESCRIPTION The L4C381 is a flexible, high speed, cascadable 16-bit Arithmetic and Logic Unit.
It combines four 381-type 4-bit ALUs, a look-ahead carry generator, and miscellaneous interface logic — all in a single 68-pin package.
While containing new features to support high speed pipelined architectures and single 16-bit bus configurations, the L4C381 retains full performance and functional compatibility with the bipolar ’381 designs.
The L4C381 can be cascaded to perform 32-bit or greater operations.
See “Cascading the L4C381” toward the end of this data sheet for more information.
ARCHITECTURE The L4C381 operates on two 16-bit operands (A and B) and produces a 16-bit result (F).
Three select lines control the ALU and provide 3 arithmetic, 3 logical, and 2 initialization functions.
Full ALU status is provided to support cascading to longer word lengths.
Registers are provided on b...


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