EP1S40F1020C6N Altera, EP1S40F1020C6N Datasheet - Page 74
EP1S40F1020C6N
Manufacturer Part Number
EP1S40F1020C6N
Description
IC STRATIX FPGA 40K LE 1020-FBGA
Manufacturer
Altera
Series
Stratix®r
Datasheet
1.EP1S10F780C7.pdf
(276 pages)
Specifications of EP1S40F1020C6N
Number Of Logic Elements/cells
41250
Number Of Labs/clbs
4125
Total Ram Bits
3423744
Number Of I /o
773
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
1020-FBGA
Family Name
Stratix
Number Of Logic Blocks/elements
41250
# I/os (max)
773
Frequency (max)
450.05MHz
Process Technology
0.13um (CMOS)
Operating Supply Voltage (typ)
1.5V
Logic Cells
41250
Ram Bits
3423744
Operating Supply Voltage (min)
1.425V
Operating Supply Voltage (max)
1.575V
Operating Temp Range
0C to 85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
1020
Package Type
FC-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Lead Free Status / Rohs Status
Compliant
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Digital Signal Processing Block
2–60
Stratix Device Handbook, Volume 1
Table 2–14
Multiplier
The multiplier supports 9 × 9-, 18 × 18-, or 36 × 36-bit multiplication. Each
DSP block supports eight possible 9 × 9-bit or smaller multipliers. There
are four multiplier blocks available for multipliers larger than 9 × 9 bits
but smaller than 18 × 18 bits. There is one multiplier block available for
multipliers larger than 18 × 18 bits but smaller than or equal to 36 × 36
bits. The ability to have several small multipliers is useful in applications
such as video processing. Large multipliers greater than 18 × 18 bits are
useful 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 2–14. Input Register Modes
Table 2–15. Multiplier Signed Representation
Register Input Mode
Unsigned
Unsigned
Data A
Signed
Signed
shows the summary of input register modes for the DSP block.
9 × 9
v
v
Unsigned
Unsigned
Data B
Signed
Signed
18 × 18
v
v
Table
Altera Corporation
Unsigned
Signed
Signed
Signed
Result
2–15. The
36 × 36
v
July 2005
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