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EP1SGX10DF672C6 Datasheet, PDF (269/272 Pages) Altera Corporation – Section I. Stratix GX Device Family Data Sheet
DC & Switching Characteristics
Table 6–91 describes the Stratix GX device fast PLL specifications.
Table 6–91. Fast PLL Specifications for -5 & -6 Speed Grade Devices
Symbol
fIN
fOUT
fOUT_EXT
fVCO
tINDUTY
tINJITTER
tDUTY
tJITTER
tLOCK
m
l0, l1, g0
tARESET
Parameter
Min
CLKIN frequency (for m = 1) (1)
300
CLKIN frequency (for m = 2 to 19)
300/
m
CLKIN frequency (for m = 20 to 32)
10
Output frequency for internal global or 9.4
regional clock (2)
Output frequency for external clock
9.375
VCO operating frequency
300
CLKIN duty cycle
40
Period jitter for CLKIN pin
Duty cycle for DFFIO 1× CLKOUT pin (3) 45
Period jitter for DIFFIO clock out (3)
Period jitter for internal global or
regional clock
Time required for PLL to acquire lock 10
Multiplication factors for m counter (3) 1
Multiplication factors for l0, l1, and g0
1
counter (4), (5)
Minimum pulse width on areset
10
signal
Max
717
1,000/m
1,000/m
420
717
1,000
60
±200
55
±80
±100 ps for >200-MHz outclk
±20 mUI for <200-MHz outclk
100
32
32
Unit
MHz
MHz
MHz
MHz
MHz
MHz
%
ps
%
ps
ps or
mUI
μs
Integer
Integer
ns
Table 6–92. Fast PLL Specifications for -7 & -8 Speed Grades (Part 1 of 2)
Symbol
fIN
fOUT
fOUT_EXT
fVCO
tINDUTY
tINJITTER
Parameter
Min
CLKIN frequency (for m = 1) (1),
300
CLKIN frequency (for m = 2 to 19)
300/
m
CLKIN frequency (for m = 20 to 32)
10
Output frequency for internal global or 9.375
regional clock (2)
Output frequency for external clock
9.4
VCO operating frequency
300
CLKIN duty cycle
40
Period jitter for CLKIN pin
Max
640
700/m
700/m
420
500
700
60
±200
Unit
MHz
MHz
MHz
MHz
MHz
MHz
%
ps
Altera Corporation
June 2006
6–67
Stratix GX Device Handbook, Volume 1