DESCRIPTION

The LF2250 is a high-speed matrix multiplier consisting of an array of nine 12 x 10-bit multipliers. Internal summing adders are also included to provide the configurations needed to implement matrix multiplications, cascadable FIR filters, and pixel convolvers.

FEATURES

❑ 50 MHz Data and Computation Rate

❑ Nine Multiplier Array with 12-bit Data and 10-bit Coefficient Inputs

❑ Separate 16-bit Cascade Input and Output Ports

❑ On-board Coefficient Storage

❑ Four User-Selectable Filtering and Transformation Functions:

• 3 x 3 Matrix Multiplier

• Cascadable 9-Tap FIR Filter

• Cascadable 3 x 3 Convolver

• Cascadable 4 x 2 Convolver

❑ Replaces TRW/Raytheon/Fairchild TMC2250

❑ 120-pin PQFP