EP1S20F672I7N Altera, EP1S20F672I7N Datasheet - Page 76
![IC STRATIX FPGA 20K LE 672-FBGA](/photos/6/73/67394/ds-672fbga205-2_0_sml.jpg)
EP1S20F672I7N
Manufacturer Part Number
EP1S20F672I7N
Description
IC STRATIX FPGA 20K LE 672-FBGA
Manufacturer
Altera
Series
Stratix®r
Datasheet
1.EP1S10F780C7.pdf
(276 pages)
Specifications of EP1S20F672I7N
Number Of Logic Elements/cells
18460
Number Of Labs/clbs
1846
Total Ram Bits
1669248
Number Of I /o
426
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
672-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP1S20F672I7N
Manufacturer:
ALTERA20
Quantity:
212
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Digital Signal Processing Block
Figure 2–34. Adder/Output Blocks
Notes to
(1)
(2)
2–62
Stratix Device Handbook, Volume 1
accum_sload0 (2)
accum_sload1 (2)
Adder/output block shown in
blocks and two summation blocks.
These signals are either not registered, registered once, or registered twice to match the data path pipeline.
addnsub1 (2)
addnsub3 (2)
Figure
signa (2)
signb (2)
Result C
Result D
Result A
Result B
2–34:
Figure 2–34
Accumulator1
Accumulator2
Subtractor/
Subtractor/
Note (1)
Adder/
Adder/
is in 18
×
Summation
18-bit mode. In 9 × 9-bit mode, there are four adder/subtractor
Accumulator Feedback
Accumulator Feedback
Altera Corporation
overflow0
overflow1
Output Selection
Multiplexer
Output
Register Block
July 2005
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