EP2C8T144I8N Altera, EP2C8T144I8N Datasheet - Page 47

IC CYCLONE II FPGA 8K 144-TQFP

EP2C8T144I8N

Manufacturer Part Number
EP2C8T144I8N
Description
IC CYCLONE II FPGA 8K 144-TQFP
Manufacturer
Altera
Series
Cyclone® IIr
Datasheet

Specifications of EP2C8T144I8N

Number Of Logic Elements/cells
8256
Number Of Labs/clbs
516
Total Ram Bits
165888
Number Of I /o
85
Voltage - Supply
1.15 V ~ 1.25 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
144-TQFP, 144-VQFP
Family Name
Cyclone® II
Number Of Logic Blocks/elements
8256
# I/os (max)
85
Frequency (max)
402.58MHz
Process Technology
90nm
Operating Supply Voltage (typ)
1.2V
Logic Cells
8256
Ram Bits
165888
Operating Supply Voltage (min)
1.15V
Operating Supply Voltage (max)
1.25V
Operating Temp Range
-40C to 100C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
144
Package Type
TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Lead Free Status / Rohs Status
Compliant
Other names
544-2157

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Altera Corporation
February 2007
There is only one signa and one signb signal for each dedicated
multiplier. Therefore, all of the data A inputs feeding the same dedicated
multiplier must have the same sign representation. Similarly, all of the
data B inputs feeding the same dedicated multiplier must have the same
sign representation. The signa and signb signals can be changed
dynamically to modify the sign representation of the input operands at
run time. The multiplier offers full precision regardless of the sign
representation and can be registered using dedicated registers located at
the input register stage.
Multiplier Modes
Table 2–12
multipliers can operate in.
18-bit Multiplier
9-bit Multiplier
Table 2–12. Embedded Multiplier Modes
Multiplier Mode
summarizes the different modes that the embedded
An embedded multiplier can be configured to support a
single 18 × 18 multiplier for operand widths up to 18 bits.
All 18-bit multiplier inputs and results can be registered
independently. The multiplier operands can accept
signed integers, unsigned integers, or a combination of
both.
An embedded multiplier can be configured to support
two 9 × 9 independent multipliers for operand widths up
to 9-bits. Both 9-bit multiplier inputs and results can be
registered independently. The multiplier operands can
accept signed integers, unsigned integers or a
combination of both.
There is only one signa signal to control the sign
representation of both data A inputs and one signb
signal to control the sign representation of both data B
inputs of the 9-bit multipliers within the same dedicated
multiplier.
Cyclone II Device Handbook, Volume 1
Description
Cyclone II Architecture
2–35

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