EP1S80B956C6N Altera, EP1S80B956C6N Datasheet - Page 76

• Manufacturer Part Number: EP1S80B956C6N
• Description: IC STRATIX FPGA 80K LE 956-BGA
• Manufacturer: Altera
• Series: Stratix®r

Specifications of EP1S80B956C6N

• Number Of Logic Elements/cells: 79040
• Number Of Labs/clbs: 7904
• Total Ram Bits: 7427520
• Number Of I /o: 683
• Voltage - Supply: 1.425 V ~ 1.575 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 956-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Gates: -

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