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PDSP16256 Datasheet(PDF) 1 Page - Zarlink Semiconductor Inc

Part # PDSP16256
Description  16 by 16 Bit Complex Multiplier
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Manufacturer  ZARLINK [Zarlink Semiconductor Inc]
Direct Link  http://www.zarlink.com
Logo ZARLINK - Zarlink Semiconductor Inc

PDSP16256 Datasheet(HTML) 1 Page - Zarlink Semiconductor Inc

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PDSP16116/A/MC
1
Ordering Information
PDSP16116 MC GC1R
10MHz
MIL-883 screened -
ceramic QFP
PDSP16116 MC AC1R
10MHz
MIL-883 screened -
PGA package
PDSP16116A MC GC1R 20MHz
MIL-883 screened -
ceramic QFP
PDSP16116A MC AC1R20MHz
MIL-883 screened -
PGA package
PDSP16116/A/MC
16 by 16 Bit Complex Multiplier
DS3858
ISSUE 3.0
June 2000
Fig.1 Simplified Block Diagram
REG
REG
REG
REG
REG
REG
REG
SHIFT
REG
SHIFT
REG
+/-
+/-
REG
MULT
MULT
MULT
MULT
XR
XI
YR
YI
PR
PI
The PDSP16116A will multiply two complex (16 + 16) bit
words every 50ns and can be configured to output the
complete complex (32 + 32) bit result within a single cycle. The
data format is fractional two's complement.
The PDSP16116/A contains four 16 x 16 Array Multipliers,
two 32 bit Adder/Subtractors and all the control logic required
to support Block Floating Point Arithmetic as used in FFT
applications. In combination with a PDSP16318, the
PDSP16116A forms a two chip 10MHz Complex Multiplier
Accumulator with 20 bit accumulator registers and output
shifters. The PDSP16116 in combination with two
PDSP16318s and two PDSP1601s forms a complete 10MHz
Radix 2 DIT FFT Butterfly solution which fully supports Block
Floating Point Arithmetic. The PDSP16116/A 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
s
Complex Number (16 + 16) X (16 + 16) Multiplication
s
Full 32 bit Result
s
20MHz Clock Rate
s
Block Floating Point FFT Butterfly Support
s
-1 times -1 Trap
s
Two's Complement Fractional Arithmetic
s
TTL Compatible I/O
s
Complex Conjugation
s
2 Cycle Fall Through
s
144 pin PGA or QFP packages
APPLICATION
ASSOCIATED PRODUCTS
PDSP16318/A
Complex Accumulator
PDSP16112/A
(16 + 16) X (12 + 12) 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
s
Fast Fourier Transforms
s
Digital Filtering
s
Radar and Sonar Processing
s
Instrumentation
s
Image Processing
CHANGE NOTIFICATION
The change notification requirements of MIL-M-38510 will be
implemented on this device type. Known customers will be
notified of any changes since last buy when ordering further
parts if significant changes have been made.
Rev
A
B
C
D
Date
JULY 1993 OCT 1998 JUN 2000


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