EMI Reducing Spread Spectrum Clock Oscillators (SSXOs)
MERCURY
Since 1973
18HM Series (+1.8 V Supply Voltage)
Group “F”
Environmental Performance Specifications
RoHS compliant, Pb (lead) free in accordance with EU Directive 2002/95/EC
6/6 (2002/95/EC) and WEEE (2002/96/EC)
RoHS Status
Moisture Sensitivity Level
Second Level Interconnect
Storage temp. range
Humidity
Level 1 (infinite) according to IPC/JEDEC J-STD-020D.1
e4
-55 to +125°C
85% RH, 85°C, 48 hours
Fine Leak / Gross Leak
Solderability
MIL-Std-883, method 1014, condition A / MIL-Std-883, method 1014, condition C
MIL-STD-202F method 208E
Reflow
260°C for 10 sec. 2X.
Vibration
Shock
Resistance to Solvent
Temperature Cycling
ESD Rating
MIL-STD-202F method 204, 35G, 50 to 2000 Hz
MIL-STD-202F method 213B, test condi. E, 1000GG ½ sine wave
MIL-STD-202, method 215
MIL-STD-883, method 1010
>2000 V (per MIL-STD-883, method 3015)
Gold (0.3 um min.) over nickel (1.27 um to 8.89 um)
18HM572: 0.17 grams
Pad Surface Finish
Weight of the Device
18HM53: 0.09 grams
18HM32: 0.04 grams
Block Diagram
OE
SSXO Output
Oscillator
P L L
VDD
VSS
÷
Spread Spectrum
Modulator (KHz)
Part Number Format and Example:
Format:
Package
Code
_
Frequency
Stability Code
_
_
18HM
T
Frequency in MHz
F
Spread Type Spread %
Frequency Stability Code
Spread Type and Percentage
“D0.5”
572 5x7x1.4 mm
53 3.2x5x1.0 mm
32 2.5x3.2x1.0 mm
“A”
“B”
“C”
±25 ppm
±50 ppm
±100 ppm
±25 ppm
±50 ppm
±100 ppm
-0.5%
-1%
-2%
±0.25%
±0.5%
±1%
Commercial
(-10°C ~+70°C)
“D1”
“D2”
“C0.25”
“C0.5”
“C1.0”
Down Spread
Center Spread
“D”
“E”
“F”
Industrial
(-40°C ~+85°C)
Example: 18HM572-BT-32.768F-C0.5
Description of the example: +18V HM572 series 5x7 mm spread spectrum clock, frequency stability is ±50 ppm
over -10°C to +70°C, Tri-state on pin 1, 32.768 MHz, group “F”, center spread ±0.5
MERCURY
Page 3 of 5
Oct. 11. 2012
Rev. 0
MERCURY [ MERCURY UNITED ELECTRONICS INC ]
