EP2SGX90EF1152C3 Altera, EP2SGX90EF1152C3 Datasheet - Page 301

• Manufacturer Part Number: EP2SGX90EF1152C3
• Description: Stratix II GX
• Manufacturer: Altera

(1)
(2)
f
f
% spread
t
t
t
t
f
f
f
t
VCO
SS
P L L _ P S E R R
ARESET
ARESET_RECONFIG
RECONFIGWAIT
IN
INPFD
INDUTY
INJITTER
Table 4–110. Enhanced PLL Specifications (Part 2 of 2)
Table 4–111. Fast PLL Specifications (Part 1 of 2)
This is limited by the I/O f
If the counter cascading feature of the PLL is utilized, there is no minimum output clock frequency.
Name
Name
PLL VCO operating range for –3 and
–4 speed grade devices
PLL VCO operating range for –5 speed
grade devices
Spread-spectrum modulation
frequency
Percent down spread for a given clock
frequency
Accuracy of PLL phase shift
Minimum pulse width on
signal.
Minimum pulse width on the
signal when using PLL reconfiguration.
Reset the PLL after
high.
The time required for the wait after the
reconfiguration is done and the areset
is applied.
Input clock frequency (for -3 and -4 speed
grade devices)
Input clock frequency (for -5 speed grade
devices)
Input frequency to the PFD
Input clock duty cycle
Input clock jitter tolerance in terms of period
jitter. Bandwidth
Input clock jitter tolerance in terms of period
jitter. Bandwidth > 0.2 MHz
MAX
Description
. See
Description
Tables 4–91
≤
2 MHz
scandone
areset
areset
through
goes
4–95
Min
300
300
100
500
0.4
10
for the maximum.
Min
16
16
16
40
Typ
0.5
Typ
0.5
1.0
1,040
Max
840
500
±30
0.6
2
Max
500
717
640
60
ns (p-p)
ns (p-p)
MHz
MHz
Unit
kHz
MHz
MHz
MHz
Unit
ps
ns
ns
us
%
%