EP1S25B672C7N Altera, EP1S25B672C7N Datasheet - Page 79
![IC STRATIX FPGA 25K LE 672-BGA](/photos/6/74/67408/ds-672bga05-2_0_sml.jpg)
EP1S25B672C7N
Manufacturer Part Number
EP1S25B672C7N
Description
IC STRATIX FPGA 25K LE 672-BGA
Manufacturer
Altera
Series
Stratix®r
Datasheet
1.EP1S10F780C7.pdf
(276 pages)
Specifications of EP1S25B672C7N
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
0°C ~ 85°C
Package / Case
672-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
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Figure 2–35. Simple Multiplier Mode
Note to
(1)
Altera Corporation
July 2005
Data B
Data A
These signals are not registered or registered once to match the data path pipeline.
Figure
shiftout B
2–35:
shiftin B
shiftout A
ENA
ENA
D
D
CLRN
CLRN
DSP blocks can also implement one 36 × 36-bit multiplier in multiplier
mode. DSP blocks use four 18 × 18-bit multipliers combined with
dedicated adder and internal shift circuitry to achieve 36-bit
multiplication. The input shift register feature is not available for the
36 × 36-bit multiplier. In 36 × 36-bit mode, the device can use the register
that is normally a multiplier-result-output register as a pipeline stage for
the 36 × 36-bit multiplier.
mode.
shiftin A
signa (1)
signb (1)
Q
Q
clock
ena
aclr
ENA
D
Figure 2–36
CLRN
Q
shows the 36 × 36-bit multiply
Stratix Device Handbook, Volume 1
ENA
D
CLRN
Q
Stratix Architecture
Data Out
2–65
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