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PDSP16318A Datasheet(PDF) 1 Page - Mitel Networks Corporation |
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PDSP16318A Datasheet(HTML) 1 Page - Mitel Networks Corporation |
1 / 8 page PDSP16318/13618A 1 Supersedes version in December 1993 Digital Video & DSP IC Handbook, HB3923-1 DS3708 - 2.4 September 1996 PDSP16318/PDSP16318A Complex Accumulator Advance Information Fig. 2 PDSP16318 simplified block diagram The PDSP16318 contains two independent 20-bit Adder/ Subtractors combined with accumulator registers and shift structures. The four port architecture permits full 20MHz throughout in FFT and filter applications. Two PDSP16318As combined with a single PDSP16112A Complex Multiplier provide a complete arithmetic solution for a Radix 2 DIT FFT Butterfly. A new complex Butterfly result can be generated every 50ns allowing 1K complex FFTs to be executed in 256µs. FEATURES s Full 20MHz Throughout in FFT Applications s Four Independent 16-bit I/O Ports s 20-bit Addition or Accumulation s Fully Compatible with PDSP16112 Complex Multiplier s On Chip Shift Structures for Result Scaling s Overflow Detection s Independent Three-State Outputs and Clock Enables for 2 Port 20MHz Operation s 1.4 micron CMOS s 500mW Maximum Power Dissipation s 84 Pin PGA or QFP packages 1 2 3 4 5 6 7 8 9 10 11 L K J H G F E D C B A PIN 1A INDEX MARK ON TOP SURFACE AC84 Fig.1 Pin connections - bottom view (AC84 - PGA) APPLICATIONS s High speed Complex FFT or DFTs s Complex Finite Impulse Response (FIR) Filtering s Complex Conjugation s Complex Correlation/Convolution ASSOCIATED PRODUCTS PDSP16112 16 x 12 Complex Multiplier PDSP16116 16 x 16 Complex Multiplier PDSP1601 ALU and Barrel Shifter PDSP16330 Pythagoras Processor |
Similar Part No. - PDSP16318A |
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Similar Description - PDSP16318A |
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