EP3C25U256I7 Altera, EP3C25U256I7 Datasheet - Page 50

• Manufacturer Part Number: EP3C25U256I7
• Description: IC CYCLONE III FPGA 25K 256 UBGA
• Manufacturer: Altera
• Series: Cyclone® IIIr

Specifications of EP3C25U256I7

• Number Of Logic Elements/cells: 24624
• Number Of Labs/clbs: 1539
• Total Ram Bits: 608256
• Number Of I /o: 156
• Voltage - Supply: 1.15 V ~ 1.25 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 256-UBGA
• Family Name: Cyclone III
• Number Of Logic Blocks/elements: 24624
• # I/os (max): 156
• Frequency (max): 437.5MHz
• Process Technology: 65nm
• Operating Supply Voltage (typ): 1.2V
• Logic Cells: 24624
• Ram Bits: 608256
• Operating Supply Voltage (min): 1.15V
• Operating Supply Voltage (max): 1.25V
• Operating Temp Range: -40C to 100C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 256
• Package Type: UFBGA
• For Use With: 544-2370 - KIT STARTER CYCLONE III EP3C25
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Number Of Gates: -
• Lead Free Status / Rohs Status: Not Compliant

2–6
Cyclone III Device Handbook, Volume 2
OCT calibration is automatically performed at device power-up for OCT enabled
I/Os.
Table 2–7
Table 2–7. Cyclone III LS Devices Series OCT with Calibration at Device Power-Up Specifications
OCT resistance may vary with the variation of temperature and voltage after
power-up calibration. Use
resistance considering the variations after power-up calibration.
Table 2–8
temperature.
Table 2–8. Cyclone III LS Devices OCT Variation After Calibration at Device Power-Up
Series Termination with
power-up calibration
Note to
(1) Use this table to calculate the final OCT resistance with the variation of temperature and voltage.
Description
Nominal Voltage
Table
lists the OCT calibration accuracy at device power-up.
lists the percentage change of the OCT resistance with voltage and
2–8:
3.0
2.5
1.8
1.5
1.2
V
CCIO
Table 2–8
3.0
2.5
1.8
1.5
1.2
(V)
Commercial Max
and
dR/dT (%/°C)
0.262
0.234
0.219
0.199
0.161
Equation 2–1
±10
±10
±10
±10
±10
Calibration Accuracy
Chapter 2: Cyclone III LS Device Data Sheet
to determine the final OCT
© December 2009 Altera Corporation
Industrial Max
±10
±10
±10
±10
±10
dR/dV (%/mV)
Electrical Characteristics
–0.026
–0.039
–0.086
–0.136
–0.288
(Note 1)
Unit
%
%
%
%
%