EP4CE55F23I8L Altera, EP4CE55F23I8L Datasheet - Page 118

• Manufacturer Part Number: EP4CE55F23I8L
• Description: IC CYCLONE IV FPGA 55K 484FBGA
• Manufacturer: Altera
• Series: CYCLONE® IV Er

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: -

6–10
Cyclone IV Device Handbook, Volume 1
Figure 6–3
the associated OCT calibration circuitry.
Figure 6–3. Cyclone IV Devices R
RUP and RDN pins go to a tri-state condition when calibration is completed or not
running. These two pins are dual-purpose I/Os and function as regular I/Os if you
do not use the calibration circuit.
shows the external calibration resistors setup on the RUP and RDN pins and
Cyclone IV Device Family OCT with
Calibration with RUP and RDN pins
Calibration
Circuitry
OCT
S
OCT with Calibration Setup
V
CCIO
Chapter 6: I/O Features in Cyclone IV Devices
RUP
RDN
V
GND
CCIO
© December 2010 Altera Corporation
External
Calibration
Resistor
External
Calibration
Resistor
OCT Support