EP1SGX40GF1020C5 Altera, EP1SGX40GF1020C5 Datasheet - Page 122

• Manufacturer Part Number: EP1SGX40GF1020C5
• Description: IC STRATIX GX FPGA 40K 1020-FBGA
• Manufacturer: Altera
• Series: Stratix® GXr

Specifications of EP1SGX40GF1020C5

• Number Of Logic Elements/cells: 41250
• Number Of Labs/clbs: 4125
• Total Ram Bits: 3423744
• Number Of I /o: 624
• Voltage - Supply: 1.425 V ~ 1.575 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 1020-FBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Number Of Gates: -

Digital Signal Processing Block
4–56
Stratix GX Device Handbook, Volume 1
Pipeline/Post Multiply Register
The output of 9
to pipeline multiply-accumulate and multiply-add/subtract functions.
For 36
Adder/Output Blocks
The result of the multiplier sub-blocks are sent to the adder/output block
which consist of an adder/subtractor/accumulator unit, summation unit,
output select multiplexer, and output registers. The results are used to
configure the adder/output block as a pure output, accumulator, a simple
two-multiplier adder, four-multiplier adder, or final stage of the 36-bit
multiplier. You can configure the adder/output block to use output
registers in any mode, and must use output registers for the accumulator.
The system cannot use adder/output blocks independently of the
multiplier.
×
36-bit multipliers, this register pipelines the multiplier function.
Figure 4–33
×
9- or 18
shows the adder and output stages.
×
18-bit multipliers can optionally feed a register
Altera Corporation
February 2005