EP4CE55F23C7 Altera, EP4CE55F23C7 Datasheet - Page 20

• Manufacturer Part Number: EP4CE55F23C7
• Description: IC CYCLONE IV FPGA 55K 484FBGA
• Manufacturer: Altera
• Series: CYCLONE® IV Er

Specifications of EP4CE55F23C7

• Number Of Logic Elements/cells: 55856
• Number Of Labs/clbs: 3491
• Total Ram Bits: 2340000
• Number Of I /o: 324
• Voltage - Supply: 1.15 V ~ 1.25 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 484-FBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Number Of Gates: -

1–20
Figure 1–2. Lock Time Parameters for Manual Mode
Figure 1–3. Lock Time Parameters for Automatic Mode
Cyclone IV Device Handbook, Volume 3
Output Status Signals
Output Status Signals
CDR Control Signals
rx _ analogreset
rx _ digitalreset
rx _ freqlocked
Reset Signals
rx _ analogreset
rx _ locktorefclk
rx _ digitalreset
rx _ locktodata
Reset Signals
busy
1
busy
Figure 1–2
LTD = lock-to-data. LTR = lock-to-reference.
Figure 1–3
Figure 1–4
Two parallel clock cycles
1
shows the lock time parameters in manual mode.
shows the lock time parameters in automatic mode.
shows the differential receiver input waveform.
Two parallel clock cycles
1
2
2
t
LTR_LTD_Manual
(1)
3
t
t
LTD_Manual
3
3
LTD_Auto
(1)
4
(2)
4
Chapter 1: Cyclone IV Device Datasheet
© December 2010 Altera Corporation
Switching Characteristics