EP4CE55F23I8L Altera, EP4CE55F23I8L Datasheet - Page 33
EP4CE55F23I8L
Manufacturer Part Number
EP4CE55F23I8L
Description
IC CYCLONE IV FPGA 55K 484FBGA
Manufacturer
Altera
Series
CYCLONE® IV Er
Datasheets
1.EP4CGX15BN11C8N.pdf
(44 pages)
2.EP4CGX15BN11C8N.pdf
(14 pages)
3.EP4CGX15BN11C8N.pdf
(478 pages)
4.EP4CGX15BN11C8N.pdf
(10 pages)
Specifications of EP4CE55F23I8L
Number Of Logic Elements/cells
55856
Number Of Labs/clbs
3491
Total Ram Bits
2340000
Number Of I /o
324
Voltage - Supply
0.97 V ~ 1.03 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
484-FBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Gates
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP4CE55F23I8LN
Manufacturer:
ALTERA
Quantity:
239
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Chapter 2: Logic Elements and Logic Array Blocks in Cyclone IV Devices
Logic Array Blocks
Figure 2–4. Cyclone IV Device LAB Structure
LAB Interconnects
© November 2009 Altera Corporation
Direct link
interconnect
from adjacent
block
Direct link
interconnect
to adjacent
block
■
■
■
■
The local interconnect transfers signals between LEs in the same LAB. Register chain
connections transfer the output of one LE register to the adjacent LE register in an
LAB. The Quartus II Compiler places associated logic in an LAB or adjacent LABs,
allowing the use of local and register chain connections for performance and area
efficiency.
Figure 2–4
The LAB local interconnect is driven by column and row interconnects and LE
outputs in the same LAB. Neighboring LABs, phase-locked loops (PLLs), M9K RAM
blocks, and embedded multipliers from the left and right can also drive the local
interconnect of a LAB through the direct link connection. The direct link connection
feature minimizes the use of row and column interconnects, providing higher
performance and flexibility. Each LE can drive up to 48 LEs through fast local and
direct link interconnects.
LAB control signals
LE carry chains
Register chains
Local interconnect
shows the LAB structure for Cyclone IV devices.
LAB
Local Interconnect
Row Interconnect
Cyclone IV Device Handbook, Volume 1
Direct link
interconnect
from adjacent
block
Direct link
interconnect
to adjacent
block
Column
Interconnect
2–5
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