si5315 Silicon Laboratories, si5315 Datasheet - Page 11

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

Table 3. AC Characteristics
(V
Input Frequency
CKINn Input Pins
Input Duty Cycle (Minimum Pulse
Width)
Input Capacitance
Input Rise/Fall Time
CKOUTn Output Pins
Output Frequency (Output not
configured for CMOS or disable)
Maximum Output Frequency in
CMOS Format
Single Ended Output Rise/Fall
(20–80%)
Output Duty Cycle Differential
Uncertainty
LVCMOS Pins
Input Capacitance
CS Deglitch Time
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
CKO
CKS
CKN
CKO
Symbol
CKN
CKN
CKO
A
CKN
CK
= –40 to 85 ºC)
C
in
OF
DGT
FMC
TRF
TRF
CIN
DC
DC
F
Preliminary Rev. 0.2
DC
Measured at 50% Point
= 50 µs.
Whichever is smaller
Test Condition
(not for CMOS)
CMOS Output
CMOS Output
Cload = 5 pF
Cload = 5 pF
See Figure 2
100  Load
Line to Line
V
V
20–80%
DD
DD
Note 1
Note 2
Note 1
Note 2
= 1.62
= 2.97
3
0.008
0.008
0.008
0.008
Min
40
—
—
—
—
—
—
—
—
2
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
644.53
644.53
Si5315
TBD
Max
125
125
125
±40
60
—
11
3
8
2
3
Units
MHz
MHz
MHz
MHz
MHz
pF
pF
ns
ns
ns
ns
ps
ns
%
11