High Frequency Ultra Performance MEMS Oscillator Page 1 of 5 CMC254-SERIES ■ Ultra low phase jitter: 0.5ps ( 12kHz to 20MHz ) ■ LVCMOS/ LVTTL compatible output ■ SMD package 2.5 x 2.0 mm ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL CONDITION VALUE Frequency Range f0 Any Frequency between Frequency range, accurate to 6 decimal places 80 Supply Voltage Vs Supply voltages between 2.5V and 3.3V can be supported in increments of 0.1V 1.71 2.25 2.52 2.97 Supply Current Is Min. Vs = 1.8V, f0=100MHz, no load Vs = 2.5V,2.8V and 3.3V f0=100MHz, no load Typ. UNIT Max. 220 MHz 1.8 2.5 2.8 3.3 30 1.89 2.75 3.08 3.63 33 V V V V mA 34 36 mA Operating Temperature Ta Extended Commercial Industrial -20 -40 +70 +85 C °C Frequency Stability Δf/f0 Including First Year aging, initial frequency tolerance at 25°C, Frequency stability over temperature range, supply variation, load variation -20 -25 -50 +20 +25 +50 ppm ppm ppm First year 10 years -1.5 -5.0 1.5 5.0 Long term stability, aging Δf/Δty Δf/Δty Enable / Disable Time T E/D Enable / Disable Current I E/D Standby Current Istby Startup Time T ST Resume Time T res Rise/ Fall Time Tr / Tf RMS Phase Jitter J PH RMS Period Jitter JP Input Voltage High f0=220MHz, for other frequencies, T E/D =100ns+ 3 cycles Vs=1.8V, E/D =GND, output is weakly pulled down Vs=2.5V,2.8Vor 3.3V, E/D =GND output is weakly pulled down STBY=GND,Vs=1.8V STBY=GND,Vs=2.5V,2.8V or 3.3V Output is weakly pulled down ppm ppm 115 ms 30 mA 31 mA 10 70 Measured from the time Vs reaches its rated maximum value Measured from the time STBY pin crosses 50% threshold 6 10 ms 10 ms CL = 15pF, 10% - 90% Vs 1.5 2.0 ns f0=156.25MHz,BW 12KHz to 20MHz f0=156.25MHz,Vs=2.5V,2.8V or 3.3V f0=156.25MHz,Vs=1.8V 0.6 1.0 ps 1.5 2.0 2.0 3.0 ps ps VIH Pin 1, E/D or STBY Input Voltage Low VIL Pin 1, E/D or STBY Input pull-up impedance Z in 70% Vs 100 30% Vs 250 kΩ RALTRON ELECTRONICS 10400 N.W . 33rd St Miam i, Florida 33172 U.S.A. phone: +1-305-593-6033 fax: +1-305-594-3973 e-mail: [email protected] internet: http://www.raltron.com High Frequency Ultra Performance MEMS Oscillator Page 2 of 5 CMC254-SERIES OUTPUT CHARACTERISTICS VALUE LVCMOS PARAMETER SYMBOL CONDITION VOH Ioh= -3 mA ( Vs=1.8V ) Ioh= -6 mA ( Vs= 2.5V, 2.8V or 3.3V ) VOL Iol=3 mA ( Vs=1.8V ) Iol=6 mA ( Vs= 2.5V, 2.8V or 3.3V ) Duty Cycle DC f0 ≤165MHz, all Vs f0 ≥165MHz, all Vs Output Load CL Ta=25 °C Output Levels Min Typ. Max 0.9 Vs UNIT V 45 40 15 0.1Vs V 55 60 % % pF RALTRON ELECTRONICS 10400 N.W . 33rd St Miam i, Florida 33172 U.S.A. phone: +1-305-593-6033 fax: +1-305-594-3973 e-mail: [email protected] internet: http://www.raltron.com High Frequency Ultra Performance MEMS Oscillator Page 3 of 5 CMC254-SERIES MECHANICAL DIMENSIONS AND PIN FUNCTIONING RECONMENDED LAND PATTERN BOTTOM VIEW PIN SYMBOL FUNCTION E/D 1 E/D/STBY 2 GND 3 OUTPUT 4 Vs H or Open* :Enable output frequency L :Disable output frequency , high impedance STBY H or Open* : Enable output frequency L : Output is low ( weak pull down) Device goes to sleep mode. Supply current ( Is ) reduces to Istby Electrical Ground Output Signal Supply Voltage Note: *A pull-up resistor of <10kΩ between ED/STBY pin and Vs is recommended in high noise environment. RALTRON ELECTRONICS 10400 N.W . 33rd St Miam i, Florida 33172 U.S.A. phone: +1-305-593-6033 fax: +1-305-594-3973 e-mail: [email protected] internet: http://www.raltron.com High Frequency Ultra Performance MEMS Oscillator Page 4 of 5 CMC254-SERIES ENVIRONMENTAL REFLOW PROFILE Soldering MIL-STD-883F, Method 2003 Moisture Sensitivity Level MSL 1 at 260°C Temperature Cycle JESD22, Method A104 Vibration MIL-STD-883F, Method 2007 Mechanical Shock MIL-STD-883F, Method 2002 Storage Temperature -65° ……. +150°C REFLOW PROFILE tP TP Critical Zone TL to TP Ramp-up TL tL TSMAX Temp. [°C] TSMIN Ramp-down tS Preheat t[25°C] to Peak Temperature Min Preheat Temperature Max Preheat Time (TSMIN to TSMAX) Temperature Peak Temperature Ramp-up rate Ramp-down rate Time within 5°C of Peak Temperature Time t[25°C] to Peak Temperature Time Time [sec] Recommended Solder Reflow Profile TSMIN TSMAX tS TL TP RUP RDOWN tP t[25°C] to Peak tL 150°C 200°C 60-180 sec. 217°C 260°C 3°C/sec max. 6°C/sec max. 10 sec 480 sec. 60-150 sec. RALTRON ELECTRONICS 10400 N.W . 33rd St Miam i, Florida 33172 U.S.A. phone: +1-305-593-6033 fax: +1-305-594-3973 e-mail: [email protected] internet: http://www.raltron.com High Frequency Ultra Performance MEMS Oscillator Page 5 of 5 CMC254-SERIES ORDERING INFORMATION SERIES SUPPLY VOLTAGE (V) 18: Vs=1.8V CMC254 25: Vs=2.5V 28: Vs=2.8V 33: Vs=3.3V Frequency Stability TEMP RANGE (°C ) A:±10ppm B:±20ppm U: -20~70 C:±25ppm V: -40~85 D:±50ppm Output Load Enable/ Disable Function 1:15pF E: E/D output - OUTPUT FREQUENCY (MHz) - S:Standby APPROVALS Eng. approval, date: SP, 07/11/2016 Created by, date: SP, 07/11/2016 Revision: A RALTRON ELECTRONICS 10400 N.W . 33rd St Miam i, Florida 33172 U.S.A. phone: +1-305-593-6033 fax: +1-305-594-3973 e-mail: [email protected] internet: http://www.raltron.com