English
Language : 

M2080-2087 Datasheet, PDF (14/14 Pages) Integrated Circuit Systems – VCSO FEC PLL WITH AUTOSWITCH FOR SONET/OTN
Integrated
Circuit
Systems, Inc.
P r e l i m i n a r y I n f o r m a t i o n M2080/81/82, M2085/86/87
VCSO FEC PLL WITH AUTOSWITCH FOR SONET/OTN
ORDERING INFORMATION
Standard VCSO Output Frequencies (MHz)*
Part Numbering Scheme
Part Number:
Divider Look-up Table Option
See Table 9, page 4.
M208x- yz - xxx.xxxx
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
Temperature
“ - ” = 0 to +70 oC (commercial)
I = - 40 to +85 oC (industrial)
VCSO Frequency (MHz)
See Table 16, right. Consult ICS for other frequencies.
622.0800
669.3120
625.0000
669.3266
627.3296
669.6429
644.5313
670.8386
666.5143
672.1600
669.1281
690.5692
Table 16: Standard VCSO Output Frequencies
Figure 9: Part Numbering Scheme
Note *: Fout can equal Fvcso divided by: 1, 4, 8, or 32.
Consult ICS for the availability of other VCSO frequencies.
Example Part Numbers
VCSO Frequency (MHz) Temperature
Order Part Number (Examples)
622.0800
669.3266
commercial
industrial
commercial
industrial
M2081- 11- 622.0800 or M2082- 11- 622.0800
M2081- 11I622.0800 or M2082- 11I622.0800
M2080- 11- 669.3266 or M2085- 11- 669.3266
M2080- 11I669.3266 or M2085- 11I669.3266
Table 17: 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.
M2080/81/82 M2085/86/87 Datasheet Rev 0.4
14 of 14
Revised 30Jul2004
Integrated Circuit Systems, Inc. ● Networking & Communications ● www.icst.com ● tel (508) 852-5400