EP1SGX25DF1020C6 Altera, EP1SGX25DF1020C6 Datasheet - Page 125
EP1SGX25DF1020C6
Manufacturer Part Number
EP1SGX25DF1020C6
Description
IC STRATIX GX FPGA 25K 1020-FBGA
Manufacturer
Altera
Series
Stratix® GXr
Datasheet
1.EP1SGX10CF672C7N.pdf
(272 pages)
Specifications of EP1SGX25DF1020C6
Number Of Logic Elements/cells
25660
Number Of Labs/clbs
2566
Total Ram Bits
1944576
Number Of I /o
607
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
-
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Altera Corporation
February 2005
Output Selection Multiplexer
The outputs from the various elements of the adder/output block are
routed through an output selection multiplexer. Based on the DSP block
operational mode and user settings, the multiplexer selects whether the
output from the multiplier, the adder/subtractor/accumulator, or
summation block feeds to the output.
Output Registers
Optional output registers for the DSP block outputs are controlled by four
sets of control signals: clock[3..0], aclr[3..0], and ena[3..0].
Output registers can be used in any mode.
Modes of Operation
The adder, subtractor, and accumulate functions of a DSP block have four
modes of operation:
■
■
■
■
1
Simple Multiplier Mode
In simple multiplier mode, the DSP block drives the multiplier sub-block
result directly to the output with or without an output register. Up to four
18
directly out of one DSP block. See
×
Simple multiplier
Multiply-accumulator
Two-multipliers adder
Four-multipliers adder
18-bit multipliers or eight 9
Each DSP block can only support one mode. Mixed modes in the
same DSP block is not supported.
×
9-bit multipliers can drive their results
Figure
Stratix GX Device Handbook, Volume 1
4–34.
Stratix GX Architecture
4–59
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