EP2C50F672C8N Altera, EP2C50F672C8N Datasheet - Page 18

• Manufacturer Part Number: EP2C50F672C8N
• Description: IC CYCLONE II FPGA 50K 672-FBGA
• Manufacturer: Altera
• Series: Cyclone® IIr

Specifications of EP2C50F672C8N

• Number Of Logic Elements/cells: 50528
• Number Of Labs/clbs: 3158
• Total Ram Bits: 594432
• Number Of I /o: 450
• Voltage - Supply: 1.15 V ~ 1.25 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 672-FBGA
• No. Of Logic Blocks: 3158
• Family Type: Cyclone II
• No. Of I/o's: 450
• I/o Supply Voltage: 3.3V
• Operating Frequency Max: 320MHz
• Operating Temperature Range: 0°C To +85°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Gates: -
• Other names: 544-1690

Logic Elements
Figure 2–4. LE in Arithmetic Mode
2–6
Cyclone II Device Handbook, Volume 1
of previous LE)
cin (from cout
data1
data2
The Quartus II Compiler automatically creates carry chain logic during
design processing, or you can create it manually during design entry.
Parameterized functions such as LPM functions automatically take
advantage of carry chains for the appropriate functions.
The Quartus II Compiler creates carry chains longer than 16 LEs by
automatically linking LABs in the same column. For enhanced fitting, a
long carry chain runs vertically, which allows fast horizontal connections
to M4K memory blocks or embedded multipliers through direct link
interconnects. For example, if a design has a long carry chain in a LAB
column next to a column of M4K memory blocks, any LE output can feed
an adjacent M4K memory block through the direct link interconnect.
Whereas if the carry chains ran horizontally, any LAB not next to the
column of M4K memory blocks would use other row or column
interconnects to drive a M4K memory block. A carry chain continues as
far as a full column.
Three-Input
Three-Input
LUT
LUT
Register chain
connection
cout
clock (LAB Wide)
(LAB Wide)
ena (LAB Wide)
aclr (LAB Wide)
sload
(LAB Wide)
sclear
Register Feedback
ENA
D
CLRN
Q
Altera Corporation
February 2007
Row, column, and
direct link routing
Row, column, and
direct link routing
Local routing
Register
chain output