EP4SGX530HH35C2N Altera, EP4SGX530HH35C2N Datasheet - Page 266
![IC STRATIX IV FPGA 530K 1152HBGA](/photos/37/12/371227/1152pin_fbga_sml.jpg)
EP4SGX530HH35C2N
Manufacturer Part Number
EP4SGX530HH35C2N
Description
IC STRATIX IV FPGA 530K 1152HBGA
Manufacturer
Altera
Series
Stratix® IV GXr
Datasheets
1.EP4SGX110DF29C3N.pdf
(80 pages)
2.EP4SGX110DF29C3N.pdf
(1154 pages)
3.EP4SGX110DF29C3N.pdf
(432 pages)
4.EP4SGX110DF29C3N.pdf
(22 pages)
5.EP4SGX110DF29C3N.pdf
(30 pages)
6.EP4SGX110DF29C3N.pdf
(72 pages)
7.EP4SGX530HH35C2N.pdf
(1145 pages)
Specifications of EP4SGX530HH35C2N
Number Of Logic Elements/cells
531200
Number Of Labs/clbs
21248
Total Ram Bits
27376
Number Of I /o
564
Voltage - Supply
0.87 V ~ 0.93 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
1152-HBGA
Family Name
Stratix® IV
Number Of Logic Blocks/elements
531200
# Registers
424960
# I/os (max)
560
Process Technology
40nm
Operating Supply Voltage (typ)
900mV
Logic Cells
531200
Ram Bits
28033024
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
FCHBGA
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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7–46
Figure 7–26. Avoiding Glitch on a Non-Consecutive Read Burst Waveform
Stratix IV Device Handbook Volume 1
Postamble Enable
dqsenable
DQS
DQS Postamble Circuitry
For external memory interfaces that use a bidirectional read strobe such as in DDR3,
DDR2, and DDR SDRAM, the DQS signal is low before going to or coming from a
high-impedance state. The state in which DQS is low, just after a high-impedance
state, is called the preamble; the state in which DQS is low, just before it returns to a
high-impedance state, is called the postamble. There are preamble and postamble
specifications for both read and write operations in DDR3, DDR2, and DDR SDRAM.
The DQS postamble circuitry ensures that data is not lost if there is noise on the DQS
line during the end of a read operation that occurs while DQS is in a postamble state.
Stratix IV devices have dedicated postamble registers that you can control to ground
the shifted DQS signal used to clock the DQ input registers at the end of a read
operation. This ensures that any glitches on the DQS input signals during the end of a
read operation that occurs while DQS is in a postamble state do not affect the DQ IOE
registers.
In addition to the dedicated postamble register, Stratix IV devices also have an HDR
block inside the postamble enable circuitry. Use these registers if the controller is
running at half the frequency of the I/Os.
Using the HDR block as the first stage capture register in the postamble enable
circuitry block is optional. The HDR block is clocked by the half-rate
resynchronization clock, which is the output of the I/O clock divider circuit (shown in
Figure 7–31 on page
that is used to avoid postamble glitches from a previous read burst on a
non-consecutive read burst. This scheme allows a half-a-clock cycle latency for
dqsenable assertion and zero latency for dqsenable de-assertion, as shown in
Figure
7–26.
7–50). There is an AND gate after the postamble register outputs
Chapter 7: External Memory Interfaces in Stratix IV Devices
Postamble
Stratix IV External Memory Interface Features
Postamble glitch
February 2011 Altera Corporation
Preamble
Delayed by
1/2T logic
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