EP2AGX45DF29I5N Altera, EP2AGX45DF29I5N Datasheet - Page 129
EP2AGX45DF29I5N
Manufacturer Part Number
EP2AGX45DF29I5N
Description
IC ARRIA II GX FPGA 45K 780FBGA
Manufacturer
Altera
Series
Arria II GXr
Datasheets
1.EP2AGX45CU17C6N.pdf
(96 pages)
2.EP2AGX45CU17C6N.pdf
(14 pages)
3.EP2AGX45CU17C6N.pdf
(692 pages)
4.EP2AGX45CU17C6N.pdf
(10 pages)
5.EP2AGX45CU17C6N.pdf
(88 pages)
6.EP2AGX45DF29I5N.pdf
(306 pages)
Specifications of EP2AGX45DF29I5N
Number Of Logic Elements/cells
42959
Number Of Labs/clbs
1805
Total Ram Bits
3435
Number Of I /o
364
Voltage - Supply
0.87 V ~ 0.93 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
780-FBGA
Family Name
Arria® II GX
Number Of Logic Blocks/elements
45125
# I/os (max)
364
Frequency (max)
500MHz
Operating Supply Voltage (typ)
900mV
Logic Cells
45125
Ram Bits
3565158.4
Operating Supply Voltage (min)
0.87V
Operating Supply Voltage (max)
0.93V
Operating Temp Range
-40C to 100C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
780
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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Chapter 5: Clock Networks and PLLs in Arria II Devices
PLLs in Arria II Devices
December 2010 Altera Corporation
PLL Control Signals
f
1
1
You can use the pfdena, areset, and locked signals to observe and control PLL
operation and resynchronization.
pfdena
Use the pfdena signal to maintain the most recent locked frequency to allow your
system to store its current settings before shutting down. The pfdena signal controls
the phase frequency detector (PFD) output with a programmable gate. If you disable
the PFD, the VCO operates at its most recent set value of control voltage and
frequency with some long-term drift to a lower frequency.
areset
The areset signal is the reset or resynchronization input for each PLL. The device
input pins or internal logic can drive these input signals. When areset is driven high,
the PLL counters reset, clearing the PLL output and placing the PLL out-of-lock. The
VCO is then set back to its nominal setting. When areset is driven low again, the PLL
resynchronizes to its input as it relocks.
You must include the areset signal in designs if any of the following conditions are
true:
■
■
If the input clock to the PLL is not toggling or is unstable after power up, assert the
areset signal after the input clock is stable and in specifications.
locked
The locked signal indicates that the PLL has locked onto the reference clock and the
PLL clock outputs are operating at the desired phase and frequency set in the
Quartus II software.
Altera recommends using the areset and locked signals in your designs to control
and observe the status of your PLL.
For more information about the PLL control signals, refer to the
User
PLL reconfiguration or clock switchover is enabled in your design.
Phase relationships between the PLL input and output clocks must be maintained
after a loss-of-lock condition.
Guide.
Arria II Device Handbook Volume 1: Device Interfaces and Integration
ALTPLL Megafunction
5–25
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