Clock Oscillator C18xx Model 5×7 mm SMD, 1.8V, LVCMOS 1.544 MHz to 110.000 MHz ±20ppm to ±100ppm Frequency Range: Frequency Stability: Temperature Range: Operating: (Option M) (Option E) Storage: Input Voltage: Input Current: Output: Symmetry: Rise/Fall Time: Logic: Load: Jitter RMS: 12kHz~20MHz 0°C to 70°C -20°C to 70°C -40°C to 85°C -45°C to 120°C 1.8V ±0.2V 30mA Max @ 15pF LVCMOS 45/55% Max @ 50% Vdd 1ns Typ, 3.5ns Max "0" = 10% Vdd Max "1" = 90% Vdd Min 15pF 0.5ps Typical, 1ps Max Aging: <3ppm 1st/yr, 1ppm every year thereafter Designed to meet today's requirements for low voltage applications. The power saving sleep function of the C18xx turns the oscillator circuit off for maximum efficiency. Available on 16mm tape and reel in quantities of 1K. Dimensions inches (mm) SUGGESTED PAD LAYOUT All dimensions are Max unless otherwise specified. 0.055 Typ. (1.40 Typ.) 0.283 (7.20) P/N XXXX Frequency XX 0.071 (1.80) 0.204 (5.02) 0.071 SQ (1.80) #1 #2 #4 #3 0.045 ±0.008 (1.14 ±0.20) 0.165 (4.19) 0.200 ±0.005 (5.08 ±0.13) Denotes pad 1 XXXX=Date Code XX=Lot Code 0.200 (5.08) 0.01uF Bypass Capacitor Recommended RECOMMENDED REFLOW SOLDERING PROFILE TEMPERATURE Ramp-Up 3°C/Sec Max. Critical Temperature Zone Ramp-Down 6°C/Sec. 260°C Crystek Part Number Guide 217°C Example: C1892-44.736MHZ Example: CM1892-44.736MHZ 200°C 150°C Temperature Preheat 180 Secs. Max. 8 Minutes Max. 90 Secs. Max. 260°C for 10 Secs. Max. Frequency Stability 0/70°C -20/70°C -40/85°C C1890 C1892 C1891 C1898 CM1890 CM1892 CM1891 NA CE1890 CE1892 CE1891 NA ±100ppm ±50ppm ±25ppm ±20ppm NOTE: Reflow Profile with 240°C peak also acceptable. OUT mA M pin 3 pin 4 Vdd PWR Supply VM Bypass Cap. O/P Load incl Probe Cl OUT OSC. pin 1 High Impedance GND or "LOW" CRYSTEK CORPORATION GND pin 2 Oscillation OPEN or "HIGH" Tri-State Function Function pin 1 Output pin Open "1" level 0.7V Min "0" level 0.3V Max Active Active High Z TD-02061 Rev. L 12730 Commonwealth Drive • Fort Myers, Florida 33913 Phone: 239-561-3311 • 800-237-3061 Fax: 239-561-1025 • www.crystek.com