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