EP1S20F484C6N Altera, EP1S20F484C6N Datasheet - Page 622

• Manufacturer Part Number: EP1S20F484C6N
• Description: IC STRATIX FPGA 20K LE 484-FBGA
• Manufacturer: Altera
• Series: Stratix®r

Specifications of EP1S20F484C6N

• Number Of Logic Elements/cells: 18460
• Number Of Labs/clbs: 1846
• Total Ram Bits: 1669248
• Number Of I /o: 361
• Voltage - Supply: 1.425 V ~ 1.575 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 484-FBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Gates: -

Infinite Impulse Response (IIR) Filters
Figure 7–25. Cascaded Butterworth Biquads
Note to
(1)
7–44
Stratix Device Handbook, Volume 2
The gain factor is compensated for at the end of the filtering stage and is not shown in this figure.
Figure
b
b
b
b
11
12
21
22
7–25:
D
D
D
D
Q
Q
Q
Q
D
D
D
D
D
D
D
D
Q
Q
Q
Q
Q
Q
Q
Q
w 2 (n-1)
w 2 (n-2)
w 1 (n-1)
w 1 (n-2)
w 2 (n-2)
w 1 (n-2)
w 1 (n-1)
Note (1)
w 2 (n-1)
block
DSP
w 1 (n)
First
biquad
Second
biquad
w 2 (n)
Altera Corporation
x(n)
September 2004
y(n)