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LF2249 - 12 x 12-bit Digital Mixer

Datasheet Summary

Description

The LF2249 is a high-speed digital mixer comprised of two 12-bit multipliers and a 24-bit accumulator.

All multiplier inputs are user accessible, and each can be updated on every clock cycle.

Features

  • u 40 MHz Data and Computation Rate u Two 12 x 12-bit Multipliers with Individual Data Inputs u Separate 16-bit Input Port for Cascading Devices u Independent, User-Selectable 1.
  • 16 Clock Pipeline Delay for Each Data Input u User-Selectable Rounding of Products u Fully Registered, Pipelined Architecture u Three-State Outputs u Fully TTL Compatible u Replaces TRW/Raytheon/Fairchild TMC2249 u 120-pin PQFP 1 2 3 4 5 6 7 LF2249 BLOCK.

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Datasheet preview – LF2249

Datasheet Details

Part number LF2249
Manufacturer LOGIC Devices Incorporated
File Size 70.38 KB
Description 12 x 12-bit Digital Mixer
Datasheet download datasheet LF2249 Datasheet
Additional preview pages of the LF2249 datasheet.

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Full PDF Text Transcription

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LF2249 DEVICES INCORPORATED 12 x 12-bit Digital Mixer LF2249 DEVICES INCORPORATED 12 x 12-bit Digital Mixer DESCRIPTION The LF2249 is a high-speed digital mixer comprised of two 12-bit multipliers and a 24-bit accumulator. All multiplier inputs are user accessible, and each can be updated on every clock cycle. The LF2249 utilizes a pipelined architecture with fully registered inputs and outputs and an asynchronous three-state output enable control for optimum flexibility. Independent input register clock enables allow the user to hold the data inputs over multiple clock cycles. Each multiplier input also includes a user-selectable 1-16 clock pipeline delay. The output of each multiplier can be independently negated under user control for subtraction of products.
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