EP1S20F780I6N Altera, EP1S20F780I6N Datasheet - Page 500
EP1S20F780I6N
Manufacturer Part Number
EP1S20F780I6N
Description
IC STRATIX FPGA 20K LE 780-FBGA
Manufacturer
Altera
Series
Stratix®r
Specifications of EP1S20F780I6N
Number Of Logic Elements/cells
18460
Number Of Labs/clbs
1846
Total Ram Bits
1669248
Number Of I /o
586
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
780-FBGA
Family Name
Stratix
Number Of Logic Blocks/elements
18460
# I/os (max)
586
Frequency (max)
450.05MHz
Process Technology
0.13um (CMOS)
Operating Supply Voltage (typ)
1.5V
Logic Cells
18460
Ram Bits
1669248
Operating Supply Voltage (min)
1.425V
Operating Supply Voltage (max)
1.575V
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP1S20F780I6N
Manufacturer:
ALTERA
Quantity:
3 000
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Receiver Data Realignment
Figure 5–20. Realignment Circuit TXLOADEN Signal Control
Note to
(1)
5–28
Stratix Device Handbook, Volume 2
PLL Output
This figure does not show additional realignment circuitry.
Figure
5–20:
Counter Circuitry
8
SYNC
TXLOADEN signal is generated by the v counter, and when the v counter
is used for realignment, the TXLOADEN signal is generated by the k
counter, as shown in
Realignment Implementation
The realignment signal (SYNC) is used for data realignment and
reframing. An external pin (RX_DATA_ALIGN) or an internal signal
controls the rx_data_align node end. When the rx_data_align
node end is asserted high for at least two low-frequency clock cycles, the
RXLOADEN signal is delayed by one high-frequency clock period and the
parallel bits shift by one bit.
between the high-frequency clock, the RXLOADEN signal, and the parallel
data.
÷ k
÷ v
÷ l
Realignment CLK
Realignment CLK
Realignment
Realignment
Circuit
Circuit
Data
Data
Sync S1
Sync S2
Figure
5–20.
Figure 5–21
Note (1)
Clock
Distribution
Circuitry
shows the timing relationship
CLK1 LVDS
Circuitry
×1 CLK1 to logic array
TXLOADEN
RXLOADEN
×1 CLK2 to logic array
CLK2 LVDS
Circuitry
GCLK/LCLK
Altera Corporation
July 2005
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