2–18
Chapter 2: Device Datasheet for Cyclone V Devices
Switching Characteristics
Core Performance Specifications
This section describes the clock tree, phase-locked loop (PLL), digital signal
processing (DSP), and memory block specifications.
Clock Tree Specifications
Table 2–22 lists the clock tree specifications for Cyclone V devices.
Table 2–22. Clock Tree Performance for Cyclone V Devices—Preliminary
Performance
Unit
C6
C7, I7
Speed Grade
C8, A7
Speed Grade
Symbol
Speed Grade
Global clock and Regional clock
Peripheral clock
550
155
550
460
155
MHz
MHz
155
PLL Specifications
Table 2–23 lists the Cyclone V PLL specifications when operating in the commercial
(0° to 85°C), industrial (–40° to 100°C), and automotive (–40° to 125°C) junction
temperature ranges.
Table 2–23. PLL Specifications for Cyclone V Devices—Preliminary (1) (Part 1 of 3)
Symbol
Parameter
Min
5
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
50
—
—
—
Max
670 (2)
622 (2)
500 (2)
325
TBD (1)
1600
1400
1300
60
550 (3)
550 (3)
460 (3)
667 (3)
667 (3)
533 (3)
55
Unit
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
%
C6 speed grade
fIN
Input clock frequency
C7, I7 speed grades
C8, A7 speed grades
5
5
fINPFD
Integer input clock frequency to the PFD
Fractional input clock frequency to the PFD
5
fFINPFD
50
600
600
600
40
—
—
—
—
—
—
45
—
—
—
C6 speed grade
fVCO
PLL VCO operating range
C7, I7 speed grades
C8, A7 speed grades
tEINDUTY
Input clock or external feedback clock input duty cycle
C6 speed grade
Output frequency for internal global
MHz
MHz
MHz
MHz
MHz
MHz
%
fOUT
C7, I7 speed grades
or regional clock
C8, A7 speed grades
C6 speed grade
Output frequency for external clock
C7, I7 speed grades
output
fOUT_EXT
C8, A7 speed grades
Duty cycle for external clock output (when set to 50%)
External feedback clock compensation time
Time required to reconfigure phase shift
tOUTDUTY
tFCOMP
10
TBD (1)
ns
tCONFIGPHASE
tDYCONFIGCLK
—
Dynamic configuration clock
100
MHz
Time required to lock from end-of-device configuration or
deassertion of areset
tLOCK
—
—
1
ms
Cyclone V Device Handbook
February 2012 Altera Corporation
Volume 1: Device Overview and Datasheet
ALTERA [ ALTERA CORPORATION ]
