EP1S25F672I7N Altera, EP1S25F672I7N Datasheet - Page 75
![IC STRATIX FPGA 25K LE 672-FBGA](/photos/6/73/67394/ds-672fbga205-2_0_sml.jpg)
EP1S25F672I7N
Manufacturer Part Number
EP1S25F672I7N
Description
IC STRATIX FPGA 25K LE 672-FBGA
Manufacturer
Altera
Series
Stratix®r
Datasheet
1.EP1S10F780C7.pdf
(276 pages)
Specifications of EP1S25F672I7N
Number Of Logic Elements/cells
25660
Number Of Labs/clbs
2566
Total Ram Bits
1944576
Number Of I /o
473
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
672-FBGA
Family Name
Stratix
Number Of Logic Blocks/elements
25660
# I/os (max)
473
Frequency (max)
420.17MHz
Process Technology
0.13um (CMOS)
Operating Supply Voltage (typ)
1.5V
Logic Cells
25660
Ram Bits
1944576
Operating Supply Voltage (min)
1.425V
Operating Supply Voltage (max)
1.575V
Operating Temp Range
-40C to 100C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
672
Package Type
FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP1S25F672I7N
Manufacturer:
ALTERA
Quantity:
624
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- Download datasheet (4Mb)
Altera Corporation
July 2005
Pipeline/Post Multiply Register
The output of 9 × 9- or 18 × 18-bit multipliers can optionally feed a register
to pipeline multiply-accumulate and multiply-add/subtract functions.
For 36 × 36-bit multipliers, this register will pipeline the multiplier
function.
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.
Figure 2–34
shows the adder and output stages.
Stratix Device Handbook, Volume 1
Stratix Architecture
2–61
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