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Mitel Networks Corporation - 16 X 16 Bit Complex Multiplier

Numéro de référence PDSP16116AA0AC
Description 16 X 16 Bit Complex Multiplier
Fabricant Mitel Networks Corporation 
Logo Mitel Networks Corporation 





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PDSP16116AA0AC fiche technique
Supersedes October 1996 version, DS3707 - 4.2
PDSP16116
16 X 16 Bit Complex Multiplier
DS3707 - 5.3 October 1997
The PDSP16116 contains four 16316 array multipliers, two
32-bit adder/subtractors and all the control logic required to sup-
port Block Floating Point Arithmetic as used in FFT applications.
The PDSP16116A variant will multiply two complex (16116)
bit words every 50ns and can be configured to output the com-
plete complex (32132) bit result within a single cycle. The data
format is fractional two’s complement.
In combination with a PDSP16318A, the PDSP16116A forms
a two-chip 20MHz complex multiplier accumulator with 20-bit
accumulator registers and output shifters. The PDSP16116A in
combination with two PDSP16318As and two PDSP1601As
forms a complete 20MHz Radix 2 DIT FFT butterfly solution
which fully supports block floating point arithmetic. The
PDSP16116 has an extremely high throughput that is suited to
recursive algorithms as all calculations are performed with a
single pipeline delay (two cycle fall-through).
FEATURES
I Complex Number (16116)3(16116) Multiplication
I Full 32-bit Result
I 20MHz Clock Rate
I Block Floating Point FFT Butterfly Support
I (21)3(21) Trap
I Two’s Complement Fractional Arithmetic
I TTL Compatible I/O
I Complex Conjugation
I 2 Cycle Fall Through
I 144-pin PGA or QFP packages
APPLICATIONS
I Fast Fourier Transforms
I Digital Filtering
I Radar and Sonar Processing
I Instrumentation
I Image Processing
ORDERING INFORMATION
PDSP16116 MC GGDR 10MHz MIL-883 screened
PDSP16116A B0 AC 20MHz Industrial
PDSP16116A A0 AC 20MHz Military
PDSP16116A B0 GG 20MHz Industrial
PDSP16116A MC GGDR 20MHz MIL-883 screened
PDSP16116B B0 AC 25MHz Industrial
PDSP16116D B0 GG 31·5MHz Industrial
XR15:0
XI15:0
YR15:0
YI15:0
REG REG REG REG
MULT
MULT
MULT
MULT
REG REG REG REG
ADD/SUB
ADD/SUB
SHIFT
SHIFT
REG REG
PR15:0
PI15:0
Fig. 1 Simplified block diagram
ASSOCIATED PRODUCTS
PDSP16318/A Complex Accumulator
PDSP16112/A (16116)3(12112) Complex Multiplier
PDSP16330/A Pythagoras Processor
PDSP1601/A ALU and Barrel Shifter
PDSP16350 Precision Digital Modulator
PDSP16256 Programmable FIR Filter
PDSP16510 Single Chip FFT Processor

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