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M1025 Datasheet, PDF (14/14 Pages) Integrated Circuit Systems – VCSO BASED CLOCK PLL WITH AUTOSWITCH
Integrated
Circuit
Systems, Inc.
Product Data Sheet
M1025/26
VCSO BASED CLOCK PLL WITH AUTOSWITCH
ORDERING INFORMATION
Standard VCSO Output Frequencies (MHz)*
Part Numbering Scheme
Part Number:
M102x- 1z - xxx.xxxx
Frequency Input Divider Option
5 = Fin can equal Fvcso divided by: 8, 2, or 1
6 = Fin can equal Fvcso divided by: 4, 2, or 1
Output type
1 = LVPECL
(For CML or LVDS clock output, consult factory)
Hitless Switching / Phase Build-out Options
1 = none
2 = Hitless Switching
3 = Hitless Switching with Phase Build-out
4 = Phase Build-out (without Hitless Switching)
Temperature
“ - ” = 0 to +70 oC (commercial)
I = - 40 to +85 oC (industrial)
125.0000
167.3280
155.5200
167.3316
156.2500
167.7097
156.8324
168.0400
161.1328
172.6423
166.6286
173.3708
167.2820
Table 12: Standard VCSO Output Frequencies (MHz)
VCSO Frequency (MHz)
See Table 12, right. Consult ICS for other frequencies.
Figure 9: Part Numbering Scheme
Note *: Fout can equal Fvcso divided by: 1 or 2
Consult ICS for the availability of other VCSO frequencies.
Example Part Numbers
VCSO Frequency (MHz) Temperature
Order Part Number (Examples)
155.52
156.25
commercial
industrial
commercial
industrial
M1025- 11- 155.5200 or M1026- 11- 155.5200
M1025- 11I155.5200 or M1026- 11I155.5200
M1025- 11- 156.2500 or M1026- 11- 156.2500
M1025- 11I156.2500 or M1026- 11I156.2500
Table 13: Example Part Numbers
While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems (ICS)
assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would
result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial
applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary
environmental requirements are not recommended without additional processing by ICS. ICS reserves the right to change any
circuitry or specifications without notice. ICS does not authorize or warrant any ICS product for use in life support devices or
critical medical instruments.
M1025/26 Datasheet Rev 1.0
14 of 14
Revised 28Jul2004
Integrated Circuit Systems, Inc. ● Networking & Communications ● www.icst.com ● tel (508) 852-5400