EP2S130F780C5 Altera, EP2S130F780C5 Datasheet - Page 215
EP2S130F780C5
Manufacturer Part Number
EP2S130F780C5
Description
IC STRATIX II FPGA 130K 780-FBGA
Manufacturer
Altera
Series
Stratix® IIr
Datasheet
1.EP2S15F484I4N.pdf
(238 pages)
Specifications of EP2S130F780C5
Number Of Logic Elements/cells
132540
Number Of Labs/clbs
6627
Total Ram Bits
6747840
Number Of I /o
534
Voltage - Supply
1.15 V ~ 1.25 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
780-FBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Gates
-
Other names
544-1462
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
ALTERA
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591
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Figure 5–9. DCD Measurement Technique for DDIO (Double-Data Rate) Outputs
Altera Corporation
April 2011
clk
INPUT
VCC
However, when the output is a double data rate input/output (DDIO)
signal, both edges of the input clock signal (positive and negative) trigger
output transitions
clock and the input clock buffer affect the output DCD.
When an FPGA PLL generates the internal clock, the PLL output clocks
the IOE block. As the PLL only monitors the positive edge of the reference
clock input and internally re-creates the output clock signal, any DCD
present on the reference clock is filtered out. Therefore, the DCD for a
DDIO output with PLL in the clock path is better than the DCD for a
DDIO output without PLL in the clock path.
Tables 5–80
derivation for different I/O standards on Stratix II devices. Examples are
also provided that show how to calculate DCD as a percentage.
IOE
3.3-V LVTTTL
3.3-V LVCMOS
2.5 V
Table 5–80. Maximum DCD for Non-DDIO Output on Row I/O Pins (Part 1
of 2)
Row I/O Output
Standard
NOT
inst8
Note (1)
through
GND
V
CC
(Figure
DFF
inst2
DFF
inst3
5–87
D
D
CLRN
CLRN
PRN
PRN
-3 Devices
give the maximum DCD in absolution
5–9). Therefore, any distortion on the input
Q
Q
245
125
105
Maximum DCD for Non-DDIO Output
Stratix II Device Handbook, Volume 1
-4 & -5 Devices
DC & Switching Characteristics
275
155
135
OUTPUT
output
Unit
ps
ps
ps
5–79
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