EP1S20F484C6N Altera, EP1S20F484C6N Datasheet - Page 516
![IC STRATIX FPGA 20K LE 484-FBGA](/photos/6/72/67258/544-484-fbga_sml.jpg)
EP1S20F484C6N
Manufacturer Part Number
EP1S20F484C6N
Description
IC STRATIX FPGA 20K LE 484-FBGA
Manufacturer
Altera
Series
Stratix®r
Datasheet
1.EP1S10F484I6N.pdf
(864 pages)
Specifications of EP1S20F484C6N
Number Of Logic Elements/cells
18460
Number Of Labs/clbs
1846
Total Ram Bits
1669248
Number Of I /o
361
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
484-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP1S20F484C6N
Manufacturer:
ALTERA
Quantity:
534
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SERDES Bypass DDR Differential Signaling
Figure 5–29.
5–44
Stratix Device Handbook, Volume 2
inclock
datain
×
2 Data Rate Receiver Channel with Deserialization Factor of 8
DDR IOE
DFF
DFF
PLL
SERDES Bypass DDR Differential Signaling Transmitter
Operation
The
output circuitry to transmit high-speed serial data. The DDR output
circuitry consists of a pair of shift registers and a multiplexer. The shift
registers capture the parallel data on the clock’s rising edge (generated by
the PLL), and a multiplexer transmits the data in sync with the clock.
Figure 5–30
the clock. In this example, the inclock signal is running at half the speed
of the data. However, other combinations are possible.
the DDR output and the other modules used in a
interface with the system logic.
×4
×1
×
2 differential signaling transmitter uses the Stratix device DDR
Latch
shows the DDR timing relation between the parallel data and
Register
Register
Shift
Shift
D0, D2, D4, D6
D1, D3, D5, D7
Register
×
2 transmitter design to
Figure 5–31
Altera Corporation
Stratix
Logic
Array
Clock
July 2005
shows
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