EP1S10F780I6N Altera, EP1S10F780I6N Datasheet - Page 619
EP1S10F780I6N
Manufacturer Part Number
EP1S10F780I6N
Description
IC STRATIX FPGA 10K LE 780-FBGA
Manufacturer
Altera
Series
Stratix®r
Datasheet
1.EP1S10F484I6N.pdf
(864 pages)
Specifications of EP1S10F780I6N
Number Of Logic Elements/cells
10570
Number Of Labs/clbs
1057
Total Ram Bits
920448
Number Of I /o
426
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
780-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
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Part Number:
EP1S10F780I6N
Manufacturer:
ALTERA
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Altera Corporation
September 2004
Implementing High Performance DSP Functions in Stratix & Stratix GX Devices
Through the use of integer feedforward multiplies, which can be
implemented by combining addition, shifting, and complimenting
operations, a Butterworth filter’s transfer function biquad can be
optimized for logic synthesis. The most efficient transformation is that of
an all pole filter. This is because there is a unique relationship between the
feedforward integer coefficients of the filter represented as:
As can be seen by this equation, the z
(representing the feedforward path) is twice the other two operands (z
and 1). This is always the case in the transformation from the frequency
to the digital domain. This represents the normalized response, which is
faster and smaller to implement in hardware than real multipliers. It
introduces a scaling factor as well, but this can be corrected at the end of
the cascade chain through a single multiply.
Figure 7–24
Stratix or Stratix GX device.
H z
=
shows how a Butterworth filter biquad is implemented in a
------------------------------------------ -
1
1
+
+
b
1
2z
z
1 –
1 –
+
+
b
z
2
2 –
z
2 –
-1
Stratix Device Handbook, Volume 2
coefficient in the numerator
7–41
-2
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