EMI Reducing Spread Spectrum Clock Oscillators (SSXOs)
18HM Series (+1.8 V Supply Voltage) Group “F”
MERCURY
Since 1973
HM572 Package Dimensions and Recommended Solder Pad Layout
unit: (mm)
18HM572 Package
18HM53 Package
7.00±0.15
5.0±0.2
4
3
1
2
2.2
1.20±0.10
0.6
1.4
1.4
2
3
1
4
R0.7
R0.2
5.08
5.08
2.54 typ.
2.54
top view
bottom view
18HM32 Package
Pin Connections:
Pin 1 OE
Pin 2 Ground
Pin 3 SSXO Output
Pin 4 +1.8V D.C.
Product Marking
Example of HM572 package
Package code: 572
Stability code (A ~ F)
“T”:Tri-state on pin 1
“18” for +1.8 VDD
“HM572” product prefix
Group “F
18HM572 xT-F
xxx.xxx xx.x
MEC x x x
Spread type and percentage. Example: C1.5
Frequency in MHz
Example: 100.000
Week number of the month. “1”~”5”
Pin #1 indicator
Month of the year.“A” for Jan.~”L” for Dec.
Year: “2” for 2012, “3” for 2013,etc
MERCURY
Page 4 of 5
Oct. 11. 2012
Rev. 0
MERCURY [ MERCURY UNITED ELECTRONICS INC ]
