EP1S30F780I6N Altera, EP1S30F780I6N Datasheet - Page 72

IC STRATIX FPGA 30K LE 780-FBGA

EP1S30F780I6N

Manufacturer Part Number
EP1S30F780I6N
Description
IC STRATIX FPGA 30K LE 780-FBGA
Manufacturer
Altera
Series
Stratix®r
Datasheet

Specifications of EP1S30F780I6N

Number Of Logic Elements/cells
32470
Number Of Labs/clbs
3247
Total Ram Bits
3317184
Number Of I /o
597
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
780-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-

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0
Digital Signal Processing Block
2–58
Stratix Device Handbook, Volume 1
Input Registers
A bank of optional input registers is located at the input of each multiplier
and multiplicand inputs to the multiplier. When these registers are
configured for parallel data inputs, they are driven by regular routing
resources. You can use a clock signal, asynchronous clear signal, and a
clock enable signal to independently control each set of A and B inputs for
each multiplier in the DSP block. You select these control signals from a
set of four different clock[3..0], aclr[3..0], and ena[3..0]
signals that drive the entire DSP block.
You can also configure the input registers for a shift register application.
In this case, the input registers feed the multiplier and drive two
dedicated shift output lines: shiftoutA and shiftoutB. The shift
outputs of one multiplier block directly feed the adjacent multiplier block
in the same DSP block (or the next DSP block) as shown in
form a shift register chain. This chain can terminate in any block, that is,
you can create any length of shift register chain up to 224 registers. You
can use the input shift registers for FIR filter applications. One set of shift
inputs can provide data for a filter, and the other are coefficients that are
optionally loaded in serial or parallel. When implementing 9 × 9- and
18 × 18-bit multipliers, you do not need to implement external shift
registers in LAB LEs. You implement all the filter circuitry within the DSP
block and its routing resources, saving LE and general routing resources
for general logic. External registers are needed for shift register inputs
when using 36 × 36-bit multipliers.
Altera Corporation
Figure
July 2005
2–33, to