EP2SGX30CF780C5N Altera, EP2SGX30CF780C5N Datasheet - Page 148
![IC STRATIX II GX 30K 780-FBGA](/photos/6/72/67270/544-780-fbga_sml.jpg)
EP2SGX30CF780C5N
Manufacturer Part Number
EP2SGX30CF780C5N
Description
IC STRATIX II GX 30K 780-FBGA
Manufacturer
Altera
Series
Stratix® II GXr
Datasheet
1.EP2SGX30DF780C5.pdf
(316 pages)
Specifications of EP2SGX30CF780C5N
Number Of Logic Elements/cells
33880
Number Of Labs/clbs
1694
Total Ram Bits
1369728
Number Of I /o
361
Voltage - Supply
1.15 V ~ 1.25 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C
Package / Case
780-FBGA
Family Name
Stratix II GX
Number Of Logic Blocks/elements
33880
# I/os (max)
361
Frequency (max)
609.76MHz
Process Technology
SRAM
Operating Supply Voltage (typ)
1.2V
Logic Cells
33880
Ram Bits
1369728
Operating Supply Voltage (min)
1.15V
Operating Supply Voltage (max)
1.25V
Operating Temp Range
0C to 85C
Operating Temperature Classification
Commercial
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
Other names
544-1750
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EP2SGX30CF780C5N
Manufacturer:
ALTERA/阿尔特拉
Quantity:
20 000
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High-Speed Differential I/O with DPA Support
Figure 2–89. Stratix II GX Receiver Channel
2–140
Stratix II GX Device Handbook, Volume 1
Up to 1 Gbps
Eight Phase Clocks
+
–
refclk
f
data
Fast
PLL
8
retimed_data
DPA
Figure 2–89
An external pin or global or regional clock can drive the fast PLLs, which
can output up to three clocks: two multiplied high-speed clocks to drive
the SERDES block and/or external pin, and a low-speed clock to drive the
logic array. In addition, eight phase-shifted clocks from the VCO can feed
to the DPA circuitry.
For more information on the fast PLL, see the
Devices
The eight phase-shifted clocks from the fast PLL feed to the DPA block.
The DPA block selects the closest phase to the center of the serial data eye
to sample the incoming data. This allows the source-synchronous
circuitry to capture incoming data correctly regardless of the
channel-to-channel or clock-to-channel skew. The DPA block locks to a
phase closest to the serial data phase. The phase-aligned DPA clock is
used to write the data into the synchronizer.
The synchronizer sits between the DPA block and the data realignment
and SERDES circuitry. Since every channel utilizing the DPA block can
have a different phase selected to sample the data, the synchronizer is
needed to synchronize the data to the high-speed clock domain of the
data realignment and the SERDES circuitry.
DPA_clk
chapter in volume 2 of the Stratix II GX Handbook.
Synchronizer
shows the block diagram of the Stratix II GX receiver channel.
diffioclk
load_en
D
Q
Data Realignment
Circuitry
Dedicated
Interface
Receiver
PLLs in Stratix II GX
Altera Corporation
Data to R4, R24, C4, or
direct link interconnect
Regional or
global clock
October 2007
10
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