EP2AGX190FF35C6N Altera, EP2AGX190FF35C6N Datasheet - Page 119
EP2AGX190FF35C6N
Manufacturer Part Number
EP2AGX190FF35C6N
Description
IC ARRIA II GX 190K 1152FBGA
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.EP2AGX190FF35C6N.pdf
(306 pages)
Specifications of EP2AGX190FF35C6N
Number Of Logic Elements/cells
181165
Number Of Labs/clbs
7612
Total Ram Bits
9939
Number Of I /o
612
Voltage - Supply
0.87 V ~ 0.93 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
1152-FBGA
Family Name
Arria® II GX
Number Of Logic Blocks/elements
190300
# I/os (max)
612
Frequency (max)
400MHz
Operating Supply Voltage (typ)
900mV
Logic Cells
190300
Ram Bits
10380902.4
Operating Supply Voltage (min)
0.87V
Operating Supply Voltage (max)
0.93V
Operating Temp Range
0C to 85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
1152
Package Type
FC-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Chapter 5: Clock Networks and PLLs in Arria II GX Devices
PLLs in Arria II GX Devices
Figure 5–20. Automatic Switchover Upon Loss of Clock Detection
Note to
(1) Switchover is enabled on the falling edge of inclk0 or inclk1, depending on which clock is available. In this figure, switchover is enabled on
© July 2010
the falling edge of inclk1.
Figure
Altera Corporation
5–20:
Manual Override Mode
In automatic switchover with manual override mode, you can use the clkswitch
input for user- or system-controlled switch conditions. You can use this mode for
same-frequency switchover or to switch between inputs of different frequencies. For
example, if inclk0 is 66 MHz and inclk1 is 200 MHz, you must control the
switchover when you use clkswitch because the automatic clock-sense circuitry
cannot monitor clock input (inclk0 and inclk1) frequencies with a frequency
difference of more than 100% (2×). This feature is useful when the clock sources
originate from multiple cards on the backplane, requiring a system-controlled
switchover between the frequencies of operation. You must choose the backup clock
frequency and set the m, n, c, and k counters accordingly so the VCO operates in the
recommended operating frequency range of 600 to 1,300 MHz. The ALTPLL
MegaWizard
inclk0 and inclk1 frequencies cannot meet this requirement.
Figure 5–21
by the clkswitch signal. In this case, both clock sources are functional and inclk0
is selected as the reference clock. The clkswitch signal goes high, which starts the
switchover sequence. On the falling edge of inclk0, the counter’s reference clock
(muxout) is gated off to prevent clock glitching. On the falling edge of inclk1, the
reference clock multiplexer switches from inclk0 to inclk1 as the PLL reference,
and the activeclock signal changes to indicate which clock is currently feeding the
PLL.
activeclock
clkbad0
clkbad1
muxout
inclk0
inclk1
shows an example waveform of the switchover feature when controlled
™
Plug-In Manager interface notifies you if a given combination of
(1)
Arria II GX Device Handbook, Volume 1
5–27
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