MEMS Programmable Oscillator Page 1 of 6 CMC251-SERIES ■ Low Power Oscillator ■ HCMOS/ LVCMOS output ■ SMD package 2.5 x 2.0 mm ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL CONDITION Frequency Range f0 Any Frequency between Frequency range, accurate to 6 decimal places Supply Voltage Vs VALUE Min. Is MHz 1.8 3.3 V 4.1 4.2 4.5 4.5 mA mA mA mA -20 -40 +70 +85 C °C -20 -25 -50 +20 +25 +50 ppm ppm ppm 3.5 3.7 3.8 3.8 Vs = 2.5V, f0=20MHz, no load Vs = 2.8V, f0=20MHz, no load Frequency Stability Enable / Disable/ Standby Function Ta Δf/f0 Including First Year aging, initial frequency tolerance at 25°C, Frequency stability over temperature range, supply variation, load variation E/D/St Enable = Open or“1”(VIH≥0.75Vs) ( output signal active ) Disable = GND or “0”(VIL<0.25Vs ) ( output high impedance, oscillator operates ) Standby = GND or “0” VIL<0.25Vs ) ( output weakly pulled down, oscillator sleep mode ) Enable / Disable Time T E/D f0=110MHz Enable / Disable Current I E/D Vs=1.8V, E/D =GND Vs=2.5V to 3.3V, E/D =GND Output in high impedance state Standby Current Istby Startup Time T ST RMS Phase Jitter J PH RMS Period Jitter JP Peak to Peak Period Jitter J PK-PK STBY=GND,Vs=1.8V STBY=GND,Vs=2.5V STBY=GND,Vs=2.8V to 3.3V Output is weakly pulled down f0=75MHz,BW 900KHz to 7.5MHz f0=75MHz,BW 12KHz to 20MHz f0=75MHz f0=75MHz,Vs=2.5 to 3.3V f0=75MHz, Vs=1.8V Max. 110.0 Vs = 3.3V, f0=20MHz, no load Operating Temperature Typ. 1.0 Vs = 1.8V, f0=20MHz, no load Supply Current UNIT 0.75Vs V 0.2 1.1 2.1 0.25Vs V 0.25Vs V 130 ms 4.0 4.2 mA mA 1.3 2.5 4.3 5 ms 0.5 1.3 0.9 2.0 ps ps 1.8 3 ps 12 14 25 30 ps ps 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 MEMS Programmable Oscillator Page 2 of 6 CMC251-SERIES OUTPUT CHARACTERISTICS VALUE PARAMETER SYMBOL CONDITION Ioh= -2 mA ( Vs=1.8V ) Ioh= -3 mA ( Vs= 2.5V or 2.8V ) Ioh= -4 mA ( Vs=3.0V or 3.3V ) Iol=2 mA ( Vs=1.8V ) Iol=3 mA ( Vs= 2.5V or 2.8V ) Iol=4 mA ( Vs=3.0V or 3.3V ) LVCMOS VOH Output Levels VOL Duty Cycle DC 50% Output level Output Load OCL Ta=25 °C Min Typ. Max 0.9 Vs UNIT V 45 15 0.1Vs V 55 % 60 pF Table 1. Rise/Fall Time vs. CLoad ( CL ), Vs=1.8V CL 5pF Drive Strength @20% to 80% 15pF 30pF 45pF 60pF (ns) typ. D0, default 0.65 1.30 2.40 3.35 4.56 D1 0.70 1.48 2.64 3.68 5.09 D2 0.78 1.66 2.94 4.09 5.74 D3 0.93 1.91 3.32 4.66 6.48 D4 1.65 3.23 5.79 8.18 11.08 D5 2.11 4.31 7.65 10.77 14.47 D6 3.19 6.35 11.00 16.01 21.52 D7 6.16 11.61 22.00 31.27 39.91 45pF 60pF Table 2. Rise/Fall Time vs. CLoad ( CL ), Vs=2.5V CL 5pF Drive Strength @20% to 80% 15pF 30pF (ns) typ. D0 0.34 0.88 1.64 2.54 3.32 D1 0.43 0.96 1.81 2.79 3.65 D2, default 0.54 1.00 2.01 3.10 4.01 D3 0.62 1.28 2.27 3.51 4.45 D4 1.09 2.20 3.88 5.86 7.57 D5 1.45 2.81 5.16 7.65 9.88 D6 2.11 4.27 7.64 11.20 14.49 D7 4.13 8.25 12.82 21.45 27.79 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 MEMS Programmable Oscillator Page 3 of 6 CMC251-SERIES Table 3. Rise/Fall Time vs. CLoad ( CL ), Vs=2.8V CL 5pF Drive Strength @20% to 80% 15pF 30pF 45pF 60pF (ns) typ. D0 0.29 0.81 1.48 2.29 2.99 D1 0.34 0.88 1.64 2.52 3.30 D2, default 0.44 1.00 1.83 2.82 3.67 D3 0.55 1.12 2.08 3.22 4.08 D4 0.97 2.00 3.54 5.43 6.93 D5 1.29 2.57 4.72 7.01 9.06 D6 1.94 3.90 7.03 10.24 13.34 D7 3.77 7.54 12.28 19.57 25.27 Table 4. Rise/Fall Time vs. CLoad ( CL ), Vs=3.0V CL 5pF Drive Strength @20% to 80% 15pF 30pF 45pF 60pF (ns) typ. D0 0.27 0.76 1.39 2.16 2.85 D1 0.30 0.83 1.55 2.40 3.13 D2 0.38 0.92 1.72 2.71 3.51 D3, default 0.51 1.00 1.97 3.07 3.90 D4 0.89 1.92 3.39 5.20 6.64 D5 1.22 2.46 4.54 6.76 8.62 D6 1.84 3.71 6.72 9.86 12.68 D7 3.60 7.21 11.97 18.74 24.30 Table 5. Rise/Fall Time vs. CLoad ( CL ), Vs=3.3V CL 5pF Drive Strength @20% to 80% 15pF 30pF 45pF 60pF (ns) typ. D0 0.25 0.72 1.31 1.83 2.61 D1 0.28 0.79 1.46 2.05 2.93 D2 0.33 0.87 1.64 2.30 3.35 D3, default 0.46 1.00 1.86 2.60 3.84 D4 0.81 1.82 3.22 4.52 6.33 D5 1.16 2.33 4.29 6.04 8.34 D6 1.74 3.50 6.38 8.98 12.19 D7 3.39 6.88 11.63 17.56 23.59 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 MEMS Programmable Oscillator Page 4 of 6 CMC251-SERIES MECHANICAL DIMENSIONS AND PIN FUNCTIONING RECONMENDED LAND PATTERN BOTTOM VIEW PIN SYMBOL 1 E/D/STBY/N 2 GND 3 OUTPUT 4 Vs FUNCTION H :Enable output frequency L:Disable output frequency , high impedance In E/D or STBY mode connect a pull-up resistor of 10kΩ to pin 1, in case not externally driven. In case pin1 is left floating, use N option Electrical Ground Output Signal Supply Voltage Note: Connect a capacitor of 0.1F or higher value between Vs and GND 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 MEMS Programmable Oscillator Page 5 of 6 CMC251-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 MEMS Programmable Oscillator Page 6 of 6 CMC251-SERIES ORDERING INFORMATION SERIES SUPPLY VOLTAGE (V) Frequency Stability TEMP RANGE (°C ) Output Drive Enable/ Disable Function - OUTPUT FREQUENCY (MHz) 1:D0 2:D1 18:Vs=1.8V 3:D2 25: Vs=2.5V CMC25 28: Vs=2.8V A:±20ppm 30: Vs=3.0V B:±25ppm 33: Vs=3.3V XX: Vs=2.5V-10% to 3.3V+10% C:±50ppm U: -20~70 V: -40~85 4:D3 E: E/D output 5:D4 S:Standby 6:D5 N: No connect 7:D6 - 8:D7 See table 1 to 5 APPROVALS Eng. approval, date: SP, 07/05/2016 Created by, date: SP, 07/05/2016 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