Temperature Compensated Crystal Oscillators TCXO, M57T Series, CMOS Output MERCURY Since 1973 Features: 5x7x2.5 mm ceramic SMD TCXOs with CMOS square wave output 0.01 uF decoupling capacitor built-in Wide frequency range: 1.0 MHz to 156.0 MHz Frequency stability as tight as ±0.5 ppmover 0°C to +50°C or ±1 ppm over -40 to +85°C General Specifications (at+25°C and specified input voltage) Product Series Frequency Range Output Wave From Initial Calibration Tolerance (1) Standard Frequencies (partial list) M57T 1.0 MHz ~ 156.0 MHz NOTE: 32.768 KHz is also available Square wave. Wave form code is “T” ±2 ppm at +25°C±2°C and Vcon = +1.5 V D.C. 10.0, 12.8, 13.0, 14.4, 16.0, 16.384, 19.2, 19.440, 19.680, 20.0, 38.880 , 77.760 , 155.520 MHz Ð ±0.5 pppm ± 1 ppm ±1.5 ppm ±2.0 ppm ±2.5 ppm √: Available √ √ √ √ √ : Call us √ √ √ √ U: N/A U √ √ √ √ (Not U √ √ √ √ available) U √ √ √ √ Frequency Stability (ppm) Temperature 0 to +50°C Range -10 to +60°C -20 to +70°C -30 to +75°C Standard Î -40 to +85°C Frequency Stability vs Aging ±1.0 ppm max. first year at +25°C vs Voltage Change ±0.3 ppm max. for a ±5% input voltage change vs Load Change ±0.3 ppm max. for a ±10% loading condition change ±1 ppm max. 1 reflow and measured 24 hours afterwards vs Reflow Supply Voltage +2.8 V +3.0 V +3.3 V +5.0 V (VDD) (voltage code is “28”) (voltage code is “3”) (voltage code is “33”) (voltage code is “5”) 2 mA @ 8.192MHz 2 mA @ 8.192MHz 5 mA @ 8.192MHz Current 3 mA @ 10 MHz 4 mA @ 10 MHz 7 mA @ 10 MHz Consumption 14 mA @77.760 MHz 17 mA @77.760 MHz 32 mA @77.760 MHz (typical) 26 mA @ 155.520 MHz 35 mA @ 155.520 MHz 50 mA @ 155.520 MHz Output Voltage Level Logic “1” 90% VDD min. Logic “0” 10% VDD max. Rise Time and Fall Time 10 nano. sec. max. 20% ↔ 80% of waveform Duty Cycle (Symmetry) 50%±10% measured at 50% waveform Start-up Time 10 m. sec. max. Output Load 15 pF Offset 10 Hz 100 Hz 1 kHz 10 kHz SSB Phase Noise M57T33-10.000 at +25°C -93 -117 -137 -144 (see plot below) (dBc/Hz) M57T33-155.520 -62 -88 -111 -121 (1) : Frequency stability over temperature will be from this measured initial frequency. 100 kHz 1 MHz 5 MHz -144 -151 -152 -116 -107 -122 MERCURY www.mercury-crystal.com Taiwan: TEL (886)-2-2406-2779, FAX (886)-2-2496-0769, e-mail: [email protected] U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: [email protected] MERCURY Page 1 of 3 Date: May 1, 2008 Revision: 4 Temperature Compensated Crystal Oscillators TCXO, M57T Series, CMOS Output MERCURY Since 1973 M57T33-10.000 Environment Performance Specifications Green Requirement MSL Level Humidity Hermeticity Solderability Vibration Shock Storage temp. range RoHS compliant, Pb (lead) free MSL 1 per IPC/JEDEC-STD-020C 85% RH, 85°C, 48 hours Leak rate 2x10-8 ATM-cm3/sec max. Crystal part only. MIL-STD-202F method 208E MIL-STD-202F method 204, 35G, 50 to 2000 Hz MIL-STD-202F method 213B, test condi. E, 1000GG ½ sine wave -55 to +125°C Part Number Format and Example: Part number example: " M57T 3 — M57T3-20.000-2.5/-30+75 " " 20.000 — 2.5 "= Please specify ⁄ " -30+75 n o n: Product Series p q r o: Voltage code; Use”28” for +2.8 V; use “3” for +3.0 V; use “33” for +3.3 V; use “5” for +5.0 V p: Frequency in MHz q: Frequency stability r: Operating Temperature range in °C CMOS Square Wave TCXO Test Circuit: T2 Clock Out + + - V - 4 0.1uF A 1 MERCURY M57T MEC 3 15 pF * T1 80% 50% 2 * Include all the 20% probe and stray capacitances Page 2 of 3 Tr Date: May 1, 2008 Tf Duty Cycle = T1 *100% T2 Revision: 4 Temperature Compensated Crystal Oscillators TCXO, M57T Series, CMOS Output Package Dimensions and Suggested Land Pattern: [0.049] 1.25 MEC 2.5± 0.2 [0.098± 0.008] Pad 2 Pad 3 Pad 4 [0.055] 1.4 4 R0 .7 2 1 5.08 [0.200] typical Bottom view 2.2[0.086] 2.0[0.079] 0.55 [0.022] Pad 1 3 [0.004] 0.1 2 1 Epoxy encapsulation Unit: mm [0.024] 0.6 M57T_ Since 1973 No connection Ground Output Supply voltage 1.8[0.071] [0.197± 0.006] 5.00± 0.15 [0.275± 0.006] 7.00± 0.15 4 3 MERCURY Top view 5.08 [0.200] Rounded pad is pad No. 1. Count counter-clockwise when looking at top view. Count clockwise when looking at bottom view. 0.01 uF decoupling capacitor is built-in. Recommended Reflow Soldering Profile 245°C liquidus 221°C solidus solder alloy is used in the assembly of M57T products. Do not exceed the reflow conditions given below Temperature (°C) Profile A (low temperature solder reflow): For Sn62 Pb36 Ag2 and Sn63 Pb37 alloy. 250 230 200 183 150 Peak Temperature. Topside temperature of board to be 220°C min; 230°C max. Liquidus Temperature Flux Activation Temperature at p up . Time above 183°C Ram ec m ax 30~60 sec. max. Ram p s 4 °C / d 2°C / se own a cm t ax. Soaking Zone Reflow Pre-heat 2 Zone Cooling 100 50 Pre-heat 1 30 60 90 120 150 180 210 240 270 300 330 Time (sec) Soaking temp: 140°C~180°C Soaking time: 60~90 sec. Profile B (high temperature solder reflow): For Sn96.5% Ag 3.5% Cu 0.5% alloy. Temperature (°C) 250 217 200 150 Peak Temperature. Topside temperature of board to be 230°C min; 248°C max. Liquidus Temperature Flux Activation Temperature at p u p x. R a m s ec m a / 2 °C 100 50 Soaking Zone Pre-heat 2 Pre-heat 1 30 60 90 120 150 180 Time above 217°C 30~60 sec. max. R am 4 °C p d o w / se n c m at ax. Reflow Zone Cooling 210 240 270 300 330 Time (sec) Soaking temp: 140°C~200°C Soaking time: 90~120 sec. MERCURY Page 3 of 3 Date: May 1, 2008 Revision: 4