mk2049-01 ETC-unknow, mk2049-01 Datasheet - Page 7

• Manufacturer Part Number: mk2049-01
• Description: Communications Clock
• Manufacturer: ETC-unknow

MDS 2049-01 J
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose • CA • 95126 • [phone]tel •www.icst.com
For recommended crystal devices, please contact the ICS MicroClock application department
at 408-297-1201.
LAYOUT AND EXTERNAL COMPONENTS (continued)
Crystal Specifications
Parameter
Operating Temperature Range
Initial Accuracy at 25 C
Temperature stability
Aging, first year
Aging, 10 years
Load Capacitance
Shunt Capacitance, C0
Motional Capacitance, C1
C0/C1 ratio
Equivalent Series Resistance
*This ratio decreases for lower crystal frequencies.
Note 1: Nominal crystal load capacitance specification varies with frequency.
Note 2: The third overtone mode of the crystal and all spurs must be >200 ppm
Contact the ICS MicroClock applications department at [phone].
away from 3x the fundamental resonance shown in the table below.
Minimum
none
-20
-30
-20
-5
0
7
Typical
Note 1
25
Communications Clock PLL
Maximum
none
250
70
20
30
20
35
5
7
Units
Ohms
none
ppm
ppm
ppm
ppm
°C
pF
pF
MK2049-01
Revision 040601