si5315 Silicon Laboratories, si5315 Datasheet - Page 12

• Manufacturer Part Number: si5315
• Description: Synchronous Ethernet/telecom Jitter Attenuating Clock Multiplier
• Manufacturer: Silicon Laboratories

Si5315
12
Table 3. AC Characteristics (Continued)
(V
LVCMOS Output Pins
Rise/Fall Times
LOSn Trigger Window
LOSX Trigger Window
Time to Clear LOS Alarm
Time to Declare LOL after LOS
Time to Clear LOL after LOS Cleared t
PLL Performance
Lock Time
Closed Loop Jitter Peaking
Jitter Tolerance
Recovery Time from Disable Mode
Reset to first  on CKOUT
Minimum Reset Pulse Width
Lock Time
Maximum Frequency Deviation
During Self-Calibration
Power Supply
Rejection
Output Phase Wander with
Temperature Gradient
Notes:
DD
1. Refers to Si5315A speed grade.
2. Refers to Si5315B speed grade.
3. Assumes N3 does not equal 1. IF N3 = 1, CKN
= 1.8 ±5%, 2.5 ±10%, or 3.3 V ±10%, T
Parameter
LOS
t
t
Symbol
t
t
t
ICAL
LOCKHW
A
LOSX-
LOCKMP
LOSCLR
DECLOL
CLRLOL
t
RSTMIN
PH
START
J
PSR
TRIG
t
= –40 to 85 ºC)
J
t
SLP
TOL
RF
PK
TRIG
DT
DF
Preliminary Rev. 0.2
From last XA clock  to inter-
clock input @ 1.19 Vppd with
DC
0.5 ns rise/fall time (20/80%)
Exit Disable mode with valid
Measured from appearance
Stable input clock Tempera-
Valid, stable clock on CKIN
RST with valid CKIN to 
Sine wave noise on V
internal detection of LOSn
of valid CKIN to of LOS
spur at output Differential
ture gradient = 10 ºC/min
f
End of ICAL to of LOL
f
= 50 µs.
noise
noise
nal detection of LOSX
From last CKINn  to
(non-CMOS Output)
FRQTBL=TBD and
LOL; BW = 100 Hz
Narrowband mode
LOS to  LOL
LOS to  LOL
Test Condition
CLOAD = 20 pf
CKIN to LOL
=10 kHz to 10 MHz
See Figure 2
= 10 Hz to 10 kHz
alarm
DD
to
250 ns
0.8 x
Min
See 3.2.3. "Jitter Tolerance" on
100
–20
N3
90
—
—
—
—
—
—
—
—
—
—
—
1
0.05
Typ
25
35
—
—
—
—
—
—
—
—
—
—
—
—
—
page 19.
4.5 x N3 T
4.5 x N3 T
1000
–100
TBD
TBD
TBD
Max
285
220
–75
1.2
0.1
—
—
2
1
5
mV
mV
ps/C/
Units
dBc/
dBc/
T
min
sec
sec
CKIN
CKIN
ms
ms
ms
ms
dB
ns
µs
µs
%
XA
RMS
RMS