EP4CGX75DF27C7N Altera, EP4CGX75DF27C7N Datasheet - Page 85
EP4CGX75DF27C7N
Manufacturer Part Number
EP4CGX75DF27C7N
Description
Cyclone IV GX
Manufacturer
Altera
Series
CYCLONE® IV GXr
Datasheets
1.EP4CGX15BN11C8N.pdf
(44 pages)
2.EP4CGX15BN11C8N.pdf
(14 pages)
3.EP4CGX15BN11C8N.pdf
(478 pages)
4.EP4CGX15BN11C8N.pdf
(10 pages)
Specifications of EP4CGX75DF27C7N
Number Of Logic Elements/cells
73920
Number Of Labs/clbs
4620
Total Ram Bits
4257792
Number Of I /o
310
Number Of Gates
-
Voltage - Supply
1.16 V ~ 1.24 V
Mounting Type
*
Operating Temperature
0°C ~ 85°C
Package / Case
*
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP4CGX75DF27C7N
Manufacturer:
SONGCHUAN
Quantity:
1 000
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Chapter 5: Clock Networks and PLLs in Cyclone IV Devices
Clock Feedback Modes
No Compensation Mode
© December 2010 Altera Corporation
In no compensation mode, the PLL does not compensate for any clock networks. This
provides better jitter performance because clock feedback into the PFD does not pass
through as much circuitry. Both the PLL internal and external clock outputs are phase
shifted with respect to the PLL clock input.
Figure 5–13
this mode.
Figure 5–13. Phase Relationship Between PLL Clocks in No Compensation Mode
Notes to
(1) Internal clocks fed by the PLL are phase
(2) The PLL clock outputs can lead or lag the PLL input clocks.
Figure
shows a waveform example of the phase relationship of the PLL clock in
5–13:
PLL Reference
Clock at the Input Pin
PLL Clock at the
Register Clock Port
(1), (2)
External PLL Clock
Outputs
(2)
Phase Aligned
-
aligned to each other.
Cyclone IV Device Handbook, Volume 1
5–23
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