EP20K100QC208-1 Altera, EP20K100QC208-1 Datasheet - Page 17
EP20K100QC208-1
Manufacturer Part Number
EP20K100QC208-1
Description
APEX 20K
Manufacturer
Altera
Datasheet
1.EP20K100QC208-1.pdf
(117 pages)
Specifications of EP20K100QC208-1
Family Name
APEX 20K
Number Of Usable Gates
100000
Number Of Logic Blocks/elements
4160
# Registers
26
# I/os (max)
159
Frequency (max)
250MHz
Process Technology
SRAM
Operating Supply Voltage (typ)
2.5V
Logic Cells
4160
Ram Bits
53248
Device System Gates
263000
Operating Supply Voltage (min)
2.375V
Operating Supply Voltage (max)
2.625V
Operating Temp Range
0C to 85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
208
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
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Part Number
Manufacturer
Quantity
Price
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Altera Corporation
LE Operating Modes
The APEX 20K LE can operate in one of the following three modes:
■
■
■
Each mode uses LE resources differently. In each mode, seven available
inputs to the LE—the four data inputs from the LAB local interconnect,
the feedback from the programmable register, and the carry-in and
cascade-in from the previous LE—are directed to different destinations to
implement the desired logic function. LAB-wide signals provide clock,
asynchronous clear, asynchronous preset, asynchronous load,
synchronous clear, synchronous load, and clock enable control for the
register. These LAB-wide signals are available in all LE modes.
The Quartus II software, in conjunction with parameterized functions
such as LPM and DesignWare functions, automatically chooses the
appropriate mode for common functions such as counters, adders, and
multipliers. If required, the designer can also create special-purpose
functions that specify which LE operating mode to use for optimal
performance.
Normal mode
Arithmetic mode
Counter mode
Figure 8
APEX 20K Programmable Logic Device Family Data Sheet
shows the LE operating modes.
17
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