EP1S20F780I6N Altera, EP1S20F780I6N Datasheet - Page 621

• Manufacturer Part Number: EP1S20F780I6N
• Description: IC STRATIX FPGA 20K LE 780-FBGA
• Manufacturer: Altera
• Series: Stratix®r

Specifications of EP1S20F780I6N

• Number Of Logic Elements/cells: 18460
• Number Of Labs/clbs: 1846
• Total Ram Bits: 1669248
• Number Of I /o: 586
• Voltage - Supply: 1.425 V ~ 1.575 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 780-FBGA
• Family Name: Stratix
• Number Of Logic Blocks/elements: 18460
• # I/os (max): 586
• Frequency (max): 450.05MHz
• Process Technology: 0.13um (CMOS)
• Operating Supply Voltage (typ): 1.5V
• Logic Cells: 18460
• Ram Bits: 1669248
• Operating Supply Voltage (min): 1.425V
• Operating Supply Voltage (max): 1.575V
• Operating Temp Range: -40C to 100C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 780
• Package Type: FC-FBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Gates: -
• Lead Free Status / Rohs Status: Compliant

Altera Corporation
September 2004
Implementing High Performance DSP Functions in Stratix & Stratix GX Devices
The DSP block in
The three external adders are implemented in logic elements and
therefore are not part of the DSP block. Therefore, for an 18-bit input, each
biquad requires half a DSP block and three logic element adders. The gain
factor can be compensated for at the end of the filtering stage and is not
shown in this simple example. More complex, higher order Butterworth
filters can be realized by cascading several biquads together, as in the IIR
example.
two cascaded biquads in a single DSP block.
Figure 7–25
Figure 7–24
below shows a 4th order Butterworth filter using
is configured in multiply and add mode.
Stratix Device Handbook, Volume 2
7–43