EP2S30F484C4N Altera, EP2S30F484C4N Datasheet - Page 17
![IC STRATIX II FPGA 30K 484-FBGA](/photos/6/72/67258/544-484-fbga_sml.jpg)
EP2S30F484C4N
Manufacturer Part Number
EP2S30F484C4N
Description
IC STRATIX II FPGA 30K 484-FBGA
Manufacturer
Altera
Series
Stratix® IIr
Datasheet
1.EP2S15F484I4N.pdf
(238 pages)
Specifications of EP2S30F484C4N
Number Of Logic Elements/cells
33880
Number Of Labs/clbs
1694
Total Ram Bits
1369728
Number Of I /o
342
Voltage - Supply
1.15 V ~ 1.25 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
484-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Other names
544-1891
EP2S30F484C4N
EP2S30F484C4N
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP2S30F484C4N
Manufacturer:
ALTERA
Quantity:
3 000
Part Number:
EP2S30F484C4N
Manufacturer:
ALTERA/阿尔特拉
Quantity:
20 000
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Altera Corporation
May 2007
f
One ALM contains two programmable registers. Each register has data,
clock, clock enable, synchronous and asynchronous clear, asynchronous
load data, and synchronous and asynchronous load/preset inputs.
Global signals, general-purpose I/O pins, or any internal logic can drive
the register's clock and clear control signals. Either general-purpose I/O
pins or internal logic can drive the clock enable, preset, asynchronous
load, and asynchronous load data. The asynchronous load data input
comes from the datae or dataf input of the ALM, which are the same
inputs that can be used for register packing. For combinational functions,
the register is bypassed and the output of the LUT drives directly to the
outputs of the ALM.
Each ALM has two sets of outputs that drive the local, row, and column
routing resources. The LUT, adder, or register output can drive these
output drivers independently (see
drivers, two ALM outputs can drive column, row, or direct link routing
connections, and one of these ALM outputs can also drive local
interconnect resources. This allows the LUT or adder to drive one output
while the register drives another output. This feature, called register
packing, improves device utilization because the device can use the
register and the combinational logic for unrelated functions. Another
special packing mode allows the register output to feed back into the LUT
of the same ALM so that the register is packed with its own fan-out LUT.
This provides another mechanism for improved fitting. The ALM can also
drive out registered and unregistered versions of the LUT or adder
output.
See the Performance & Logic Efficiency Analysis of Stratix II Devices White
Paper for more information on the efficiencies of the Stratix II ALM and
comparisons with previous architectures.
ALM Operating Modes
The Stratix II ALM can operate in one of the following modes:
■
■
■
■
Each mode uses ALM resources differently. In each mode, eleven
available inputs to the ALM--the eight data inputs from the LAB local
interconnect; carry-in from the previous ALM or LAB; the shared
arithmetic chain connection from the previous ALM or LAB; and the
register chain connection--are directed to different destinations to
implement the desired logic function. LAB-wide signals provide clock,
asynchronous clear, asynchronous preset/load, synchronous clear,
Normal mode
Extended LUT mode
Arithmetic mode
Shared arithmetic mode
Figure
Stratix II Device Handbook, Volume 1
2–6). For each set of output
Stratix II Architecture
2–9
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