IQEXO-3 ISSUE 5; 1 1 OCTOBER 2004 Marking Delivery Options ■ Model number ■ Frequency ■ Common frequencies are available from stock Output Compatibility ■ HCMOS Minimum Order Information Required ■ Frequency + Model Number Package Outline ■ 8-pin DIL compatible plastic encapsulated Frequency Stability ■ ±100ppm Operating Temperature Range ■ –10 to 70°C Outline in mm Storage Temperature Range –55 to 125°C 5.08 ■ Mechanical Shock: 1000g, 1/2 sine wave impulse for 0.35ms in three directions ■ Resistance to Soldering Heat: Leads dipped in soldering bath @ 260°C for 10 secs ■ Resistance to Solvent: Dipping in fluoric solvent for 90 secs 1.52 0.5 2.5 min ■ 2.54 0.5 min Mechanical Specification 7.62 ∅0.45 0.6 8 7 6 5 Solderability: 90% of soldered surface masked with new solder after dipping in solder bath @ 230°C for 3 secs ■ Vibration: 10 to 55Hz 1.5mm displacement, 50 to 2000Hz 20g acceleration, 1 hour in each of three mutually perpendicular planes 7.0 0 to 15 ■ 1 2 3 12.8 4 Handling & Operational Precautions Observe anti-static handling precautions ■ A decoupling capacitor of <0.01µF should be connected between Pin 8 and Ground Frequency Programming Input ■ 1: Crystal frequency output (fo) ■ 2: Divided frequency output (fo/2n) ■ 3: Standby terminal; Logic ‘1’ to pin 3 enables oscillator output; logic ‘0’ to pin 3 disables oscillator output; when disabled the oscillator output goes to the high impedance state PROGRAMMABLE OSCILLATORS ■ 4: GND ■ 5: Programs division ratio ■ 6: Programs division ratio ■ 7: Programs division ratio ■ 8: Power supply voltage Output Select Terminal Connections Pin 7 C Pin 6 B L L Pin 3 Pin 1 Fundamental Oscillation Pin 2 Divided Frequency Pin 5 A ST L L H fo fo÷2 L H H fo fo÷4 L H L H fo fo÷8 L H H H fo fo÷16 H L L H fo fo÷32 H L H H fo fo÷64 H H L H fo fo÷128 H H H H fo fo÷256 PROGRAMMABLE OSCILLATORS ■ Electrical Specification - maximum limiting values Supply Voltage Low High Low Rise Time(tr) Fall Time (tf) Supply Standby Supply Standby Duty Cycle Ageing High Input Voltage Output Voltage Current Start-up Time 5.0V±1V 3.6V min 0.8V max 4.5V min 0.5V max 15ns max 15ns max 20mA 10.0µA 1.5ms 1.5ms 40/60% ±5ppm Crystal Frequency (MHz) Fundamental Frequency (fo) Divided Frequency (fo/2n) fo (MHz) fo÷2 (MHz) fo÷4 (MHz) fo÷8 (MHz) fo÷16 (kHz) fo÷32 (kHz) fo÷64 (kHz) fo÷128 (kHz) fo÷256 (kHz) 12.0 6.0 3.0 1.50 750.0 375.0 187.50 93.750 46.8750 12.2880 6.1440 3.0720 1.5360 768.0 384.0 192.0 96.0 48.0 12.80 6.40 3.20 1.60 800.0 400.0 200.0 100.0 50.0 14.318180 7.159090 3.579545 1.789772 894.880 447.440 223.720 111.860 55.930 14.74560 7.37280 3.68640 1.84320 921.60 460.80 230.40 115.20 57.60 16.0 8.0 4.0 2.0 1000.0 500.0 250.0 125.0 62.50 16.3840 8.1920 4.0960 2.0480 1024.0 512.0 256.0 128.0 64.0 17.73447 8.867238 4.433619 2.216809 1108.4 554.20 277.10 138.550 69.2750 18.4320 9.2160 4.6080 2.3040 1152.0 576.0 288.0 144.0 72.0 19.66080 9.83040 4.91520 2.45760 1228.80 614.40 307.20 153.60 76.80 20.0 10.0 5.0 2.5 1250.0 625.0 312.50 156.250 78.1250 24.0 12.0 6.0 3.0 1500.0 750.0 375.0 187.5 93.75 Terminal Connections (Divider Select) +Vs C B A 8 7 6 5 Circuit Diagram ST +VsGND Output Buffer F 3 4 ST GND D (F/2-F/28) A B C Select PROGRAMMABLE OSCILLATORS PROGRAMMABLE OSCILLATORS Divider 1 2 F D (Output) Selector Oscillator