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PDF PDSP16318A Data sheet ( Hoja de datos )

Número de pieza PDSP16318A
Descripción PDSP16256GC1R
Fabricantes Mitel Networks Corporation 
Logotipo Mitel Networks Corporation Logotipo



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No Preview Available ! PDSP16318A Hoja de datos, Descripción, Manual

Supersedes version DS3708 - 2.4 September 1996
PDSP16318/PPDDSSPP16131683/1163818AA
Complex Accumulator
Advance Information
DS3708 - 3.1 November 1998
The PDSP16318/A 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.
GC100
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 100 CQFP package
APPLICATIONS
s High speed Complex FFT or DFTs
s Complex Finite Impulse Response (FIR) Filtering
s Complex Conjugation
s Complex Correlation/Convolution
Fig.1 Pin connections - Top view (GC100)
ASSOCIATED PRODUCTS
PDSP16112 16 x 12 Complex Multiplier
PDSP16116 16 x 16 Complex Multiplier
PDSP1601 ALU and Barrel Shifter
PDSP16330 Pythagoras Processor
ORDERING INFORMATION
Industrial (-40°C to +85°C)
PDSP16318A/IG/GC1R (20MHz - QFP)
Military (-55°C to +125°C)
PDSP16318/MC/GC1R (10MHz - QFP
MIL STD 883C Screened)
N.B. Further details of the Military grade part are available
in a separate datasheet
A REG
DELAY
B
SHIFT
REG
C
A
B REG
A
SHIFT
B
Fig. 2 PDSP16318 simplified block diagram
REG
D
1

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PDSP16318A pdf
ABSOLUTE MAXIMUM RATINGS (Note 1)
Supply voltage VCC
-0.5V to 7.0V
Input voltage VIN
-0.9V to VCC +0.9V
Output voltage VOUT
-0.9V to VCC +0.9V
Clamp diode current per pin Ik (see Note 2)
18mA
Static discharge voltage (HMB) VSTAT
500V
Storage temperature range TS
-65°C to +150°C
Ambient temperature with
power applied Tamb
Industrial
-40°C to +85°C
Military
-55°C to +125°C
Junction temperature
150°C
Package power dissipation PTOT
1000mW
NOTES
1. Exceeding these ratings may cause permanent damage.
Functional operation under these conditions is not implied.
2. Maximum dissipation or 1 second should not be exceeded, only
one output to be tested at any one time.
3. Exposure to absolute maximum ratings for extended periods may
affect device reliability.
THERMAL CHARACTERISTICS
Package Type
GC
θJC °C/W
12
θJA °C/W
35
PDSP16318/16318A
Test
Waveform - measurement level
Delay from output
high to output
high impedance
VH
0.5V
Delay from output
low to output
high impedance
VL
0.5V
Delay from output
high impedance to
Output low
1.5V
0.5V
Delay from output
high impedance to
Output high
1.5V
0.5V
NOTES
1. VH - Voltage reached when output driven high
2. VL - Voltage reached when output driven low
IOL
1.5V
DUT
100p
IOH
5

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