M2020/21 Datasheet Rev 1.1 10 of 10 Revised 20Jul2009
Integrated Circuit Systems, Inc.
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Integrated
Circuit
Systems, Inc.
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.
M2020/21
VCSO B
ASED
C
LOCK
PLL
Product Data Sheet
D
EVICE
P
ACKAGE
-
9 x 9mm
C
ERAMIC
L
EADLESS
C
HIP
C
ARRIER
Mechanical Dimensions:
Figure 8: Device Package - 9 x 9mm Ceramic Leadless Chip Carrier
O
RDERING
I
NFORMATION
Part Numbering Scheme
Figure 9: Part Numbering Scheme
Standard VCSO Output Frequencies (MHz)
*
Consult ICS for the availability of other VCSO frequencies.
Refer to the M2020/21 product web page at
www.icst.com/products/summary/m2020-2021.htm
for recommended PCB footprint, solder mask,
furnace profile, and related information.
Part Number:
M202x-
yz
-
xxx.xxxx
VCSO Frequency (MHz)
“
- ” =
0
to +
70
o
C
(commercial)
See Table 12, right. Consult ICS for other frequencies.
I
=
- 40
to +
85
o
C
(industrial)
Temperature
Frequency Input Divider Option
Output type
1 = LVPECL
Hitless Switching / Phase Build-out Options
1 = none
2 = Hitless Switching
(For CML or LVDS clock output, consult factory)
3 = Hitless Switching with Phase Build-out
0 = Mfin Divider selections of: 32, 8, 4, or 1
1 = Mfin Divider selections of: 16, 8, 4, or 1
500.0000 669.1281
614.4000 669.3120
622.0800 669.3266
625.0000 670.8386
627.3296 672.1600
644.5313 690.5692
666.5143 693.4830
Table 12: Standard VCSO Output Frequencies
Note *: Fout can equal Fvcso divided by: 1, 4, 8, or 32
Example Part Numbers
VCSO Frequency (MHz)
Temperature Order Part Number
622.08
commercial
M2020
-11
- 622.0800
or
M2021- 11
- 622.0800
industrial
M2020
-11
I
622.0800
or
M2021- 11
I
622.0800
625.00
commercial
M2020
-11
- 625.0000
or
M2021
-11
- 625.0000
industrial
M2020
-11
I
625.0000
or
M2021- 11
I
625.0000
Table 13: Example Part Numbers
