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ASTMHT 数据表(PDF) 6 Page - Abracon Corporation |
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ASTMHT 数据表(HTML) 6 Page - Abracon Corporation |
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6 / 14 page ![]() ABRACON IS CERTIFIED ABRACON IS ISO9001:2008 CERTIFIED Pb RoHS/RoHS II compliant Revised: 06.17.2016 LLC TYPICAL PERFORMANCE DATA Table 4: Vdd=3.0V Rise/Fall Times for Specific CLOAD Table 5: Vdd=3.3V Rise/Fall Times for Specific CLOAD Calculating Maximum Frequency Based on the rise and fall time data given in Table 1 through 5, the maximum frequency the oscillator can operate with a guaranteed full swing of the output voltage over temperature is calculated as follows: 1 Example: Calculate Fmax of a 1MHz ~ 110MHz device with the following condition: • Vdd = 1.8V (Table 1) • Capacitive Load = 30pF • Desired Tr/f Time: = 3ns (rise/fall time option code “E”) The Fmax is 66.66666MHz. (a) Output Frequency: 1MHz – 110MHz Rise/Fall Time Typ. (ns) Drive Strength Options CLOAD 5pF 15pF 30pF 45pF 60pF L 3.60 7.21 11.97 18.74 24.30 A 1.84 3.71 6.72 9.86 12.68 R 1.22 2.46 4.54 6.76 8.62 B 0.89 1.92 3.39 5.20 6.64 T or Blank (default) 0.51 1.00 1.97 3.07 3.90 E 0.38 0.92 1.72 2.71 3.51 U 0.30 0.83 1.55 2.40 3.13 F 0.27 0.76 1.39 2.16 2.85 (b) Output Frequency: 115.194001MHz – 137MHz Rise/Fall Time Typ. (ns) Drive Strength Options CLOAD 5pF 15pF 30pF R 1.22 N/A N/A B 0.89 N/A N/A T or Blank (default) 0.51 1.00 N/A E 0.38 0.92 N/A U 0.30 0.83 N/A F 0.27 0.76 1.39 (a) Output Frequency: 1MHz – 110MHz Rise/Fall Time Typ. (ns) Drive Strength Options CLOAD 5pF 15pF 30pF 45pF 60pF L 3.39 6.88 11.63 17.56 23.59 A 1.74 3.50 6.38 8.98 12.19 R 1.16 2.33 4.29 6.04 8.34 B 0.81 1.82 3.22 4.52 6.33 T or Blank (default) 0.46 1.00 1.86 2.60 3.84 E 0.33 0.87 1.64 2.30 3.35 U 0.28 0.79 1.46 2.05 2.93 F 0.25 0.72 1.31 1.83 2.61 (b) Output Frequency: 115.194001MHz – 137MHz Rise/Fall Time Typ. (ns) Drive Strength Options CLOAD 5pF 15pF 30pF R 1.16 N/A N/A B 0.81 N/A N/A T or Blank (default) 0.46 1.00 N/A E 0.33 0.87 N/A U 0.28 0.79 1.46 F 0.25 0.72 1.31 ASTMHT ASTMHT High Temperature, Programmable SMD MEMS Oscillator 2.0 x 1.6 x 0.75mm; 2.5 x 2.0 x 0.75mm; 3.2 x 2.5 x 0.75mm; 5.0 x 3.2 x 0.75mm; 7.0 x 5.0 x 0.9mm 5101 Hidden Creek Lane Spicewood TX 78669 Phone: 512-371-6159 | Fax: 512-351-8858 For terms and conditions of sales please visit: www.abracon.com |
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