EP1S20F484C6N Altera, EP1S20F484C6N Datasheet - Page 590

• 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: -

Finite Impulse Response (FIR) Filters
7–12
Stratix Device Handbook, Volume 2
Figure 7–6. Parallel Loading 18-Bit 8-Tap FIR Filter Using Two DSP Blocks
Notes
Notes to
(1)
(2)
The indexing x(n-1), ..., x(n-7) refers to the case of parallel loading.
To increase the DSP block performance, include the input, pipeline, and output
registers. See
(1),
Figure
(2)
Filter coefficients
Data input
7–6:
Figure 7–3 on page 7–8
x(n-3)
x(n-1)
x(n-4)
x(n-5)
x(n-2)
x(n-6)
x(n-7)
h(0)
h(1)
h(2)
h(6)
x(n)
h(4)
h(7)
h(5)
h(3)
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
for the details.
DSP block 2
DSP block 1
Altera Corporation
Filter output
September 2004
y(n)