Lansdale Semiconductor, Inc. Datasheets for Arithmetic Logic Units (ALU)

Arithmetic logic units (ALU) perform arithmetic and logic operations on binary data inputs. In some processors, the ALU is divided into two units: an arithmetic unit (AU) and a logic unit (LU).
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Product Name Notes
Lansdale offers these Bipolar Digital parts, which were originally manufactured by AMD. They are compatible with the TTL family of circuits.
The 10500/10100 series of emitter-coupled logic is the fastest logic technology available for practical use. A conventional planar process is used for the 10K ECL series with a density of...
The 5400/7400 series of transistor-transistor logic consists of medium speed TTL integrated circuits. This high noise immunity family was designed for general digital logic applications requiring clock frequencies to 30MHz...
The 54S00/74S00 series of product is fabricated with a non-saturating Schottky clamped transistor technique. This family of TTL product consists of very high performance and high power devices.
The 8200/8H00 series MSI circuits are directly compatible with other TTL circuits including 5400/7400 series devices.
The 82S00 and 82LS00 series product lines consist of Schottky TTL products and Bipolar Memory products.
The Series 54LS/74LS Schottky TTL family features both Schottky-barrier-diode inputs and emitter inputs and utilizes full Schottky-barrier-diode clamping to achieve speeds comparable to Series 54/74 at one-fifth of the power.