Intel C2518 FH8065501516710 Data Sheet
Product codes
FH8065501516710
Volume 3—Signal Electrical and Timing Characteristics—C2000 Product Family
SoC Reference Clock Interfaces
Intel
®
Atom™ Processor C2000 Product Family for Microserver
Datasheet, Vol. 3 of 3
September 2014
674
Order Number: 330061-002US
33.16.5
14.318 MHz Reference Clock
• CLK14_IN - 14.318 MHz Reference Clock, single-ended SoC input, 3.3V Core-well
input buffer
contains the DC specifications and
contains the timing
specifications.
Table 33-31. CLK14_IN Signal DC Specifications
Parameter
Symbol
Min
Typ
Max
Units
Fig
Input High Voltage
V
IH
2.0
-
V3P3S
+0.3
V
Input Low Voltage
V
IL
-0.3
-
0.8
V
Maximum Output Voltage
includes overshoot
V
HIGH
-
-
1150
mV
Minimum Output Voltage
includes undershoot
V
LOW
-300
-
-
mV
Table 33-32. CLK14_IN Signal Timing Specifications
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Fig
Clock Period
t
PERIOD
Measured at V
T
-
69.842
-
ns
Clock-to-Clock Jitter
Measured at V
T
-
-
1000
ps
Duty Cycle
Ratio of pulse High Time
and the Period
DCYC
45
-
55
%
Rising Edge Slew Rate
t
SLR
Measured from V
TL
to V
TH
1
-
4
V/ns
Falling Edge Slew Rate
t
SLF
Measured from
V
TH
to V
TL
1
-
4
V/ns
Threshold Voltage - High
V
TH
2.0
V
Threshold Voltage - Middle
V
T
1.5
V
Threshold Voltage - Low
V
TL
0.8
V