EP1SGX10DF672C6N Altera, EP1SGX10DF672C6N Datasheet - Page 121
![IC STRATIX GX FPGA 10KLE 672FBGA](/photos/6/72/67292/544-672-fbga_sml.jpg)
EP1SGX10DF672C6N
Manufacturer Part Number
EP1SGX10DF672C6N
Description
IC STRATIX GX FPGA 10KLE 672FBGA
Manufacturer
Altera
Series
Stratix® GXr
Datasheet
1.EP1SGX10CF672C7N.pdf
(272 pages)
Specifications of EP1SGX10DF672C6N
Number Of Logic Elements/cells
10570
Number Of Labs/clbs
1057
Total Ram Bits
920448
Number Of I /o
362
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
672-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
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Altera Corporation
February 2005
Table 4–13
Multiplier
The multiplier supports 9
DSP block supports eight possible 9
are four multiplier blocks available for multipliers larger than 9
but smaller than 18
multipliers larger than 18
The ability to have several small multipliers is useful in applications such
as video processing. Large multipliers greater than 18
for applications such as the mantissa multiplication of a single-precision
floating-point number.
The multiplier operands can be signed or unsigned numbers, where the
result is signed if either input is signed as shown in
sign_a and sign_b signals provide dynamic control of each operand’s
representation: a logic 1 indicates the operand is a signed number, a logic
0 indicates the operand is an unsigned number. These sign signals affect
all multipliers and adders within a single DSP block and you can register
them to match the data path pipeline. The multipliers are full precision
(that is, 18 bits for the 18-bit multiply, 36-bits for the 36-bit multiply, and
so on), regardless of whether sign_a or sign_b set the operands as
signed or unsigned numbers.
Parallel input
Shift register input
Table 4–13. Input Register Modes
Table 4–14. Multiplier Signed Representation
Register Input Mode
Unsigned
Unsigned
Data A
Signed
Signed
shows the summary of input register modes for the DSP block.
×
18 bits. There is one multiplier block available for
×
×
18 bits but smaller than or equal to 36
9-, 18
9
v
v
×
Unsigned
Unsigned
9
×
Data B
Signed
Signed
18-, or 36
Stratix GX Device Handbook, Volume 1
×
9-bit or smaller multipliers. There
×
18
36-bit multiplication. Each
v
v
×
18
Stratix GX Architecture
Table
×
18 bits are useful
Unsigned
Signed
Signed
Signed
Result
4–14. The
36
v
×
×
×
36 bits.
36
9 bits
4–55
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