EMI Reducing Spread Spectrum Clock Oscillators (SSXOs)
18HM Series (+1.8 V Supply Voltage) Group “F”
MERCURY
Since 1973
Recommended Solder Reflow Profile (per IPC/JEDEC J-STD-020D.1)
Profile Feature
Preheat/Soak
Sn-Pb Eutectic Assembly
Pb-free Assembly
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-
-
Temperature min. (Ts min.)
Temperature max. (Ts max.)
Time (ts) (Ts min. to Ts max.)
100⁰C
150⁰C
60 to 120 seconds
3⁰C / sec. max.
183⁰C
150⁰C
200⁰C
60 to 180 seconds
3⁰C / sec. max.
217⁰C
Ramp-up rate (TL to Tp)
Liquidous temperature (TL )
Time (tL) maintained above TL
Peak package body temperature (Tp)
60 to 150 seconds
235⁰C
60 to 150 seconds
260⁰C
Time (Tp) within 5⁰C of the classification temperature Tc 10 to 30 seconds
20 to 40 seconds
6⁰C / second max.
8 minutes max.
Ramp-down rate (Tp to TL)
6⁰C / second max.
Time 25⁰C to peak temperature
6 minutes max.
All temperatures refer to topside of the package, measured on the package body surface.
Product Support
Evaluation Board: Part number “ EVB-18HM-F”. By toggling “HIGH” and “LOW” on two of the pins on this EVB, user
can quickly determine the proper spread percentage (proper EMI reduction rate) for his/her specific applications. Please
contact Mercury sales team.
Technical note: TN-030 “How to use Mercury 1.8V EMI Reducing Spread Spectrum Clock Oscillators?”
Technical note: TN-020 “Low EMI Spread Spectrum Clock Oscillators”
Product status: Active. Product availability: Now. Lead time: 5 to 6 weeks.
MERCURY
Page 5 of 5
Oct. 11. 2012
Rev. 0
MERCURY [ MERCURY UNITED ELECTRONICS INC ]
