PI6CX100-00 19.44 to 40 MHz, 3.3V, VCXO for General Purpose Applications Features Description • • • • • • The PI6CX100-00 is a low-cost, high-performance, 3.3V, VCXO available in discrete IC form with external quartz cryatal. The onchip Voltage Controlled Crystal Oscillator accepts a 0V to 3.3V input voltage that pulls the output clock frequency by ±120ppm. This device operates with an external quartz crystal specified to achieve the desired performance. 3.3V operating voltage Uses an external crystal On-chip VCXO with pull range of 240ppm VCXO tuning voltage from 0V to 3.3V 10mA output drive at CMOS levels Packaging (Pb-free & Green): - 8-pin SOIC (W) The PI6CX100-00 is designed for General Purpose applications, supporting operating frequencies between 19.44 and 40 MHz. Block Diagram VIN Pin Configuration X1 1 8 X2 NC 2 7 NC VIN 3 6 VDD GND 4 5 CLKOUT Voltage Controlled X1 Crystal Output Buffer CLKOUT Oscillator X2 Pin Description Pin Name Number Type Description X1, X2 1, 8 I Crystal Connection NC 2, 7 VIN 3 I Voltage Input to VCXO GND 4 PWR Ground CLKOUT 5 O Clock Output VDD 6 PWR Power Supply(1) No Connection Note: 1. 0.1µF or 0.01µF bypass capacitor is required. 1 PS8761 02/04/05 PI6CX100-00 19.44 to 40 MHz 3.3V VCXO for General Purpose Applications Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.) Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Storage Temperature .........................................–55°C to 125°C Ambient Temperature ........................................–40°C to 85°C Supply Voltage VDD ..............................................–0.5V to 7V Inputs/Outputs Voltage.............................. –0.5V to VDD +0.5V Output Current ..................................................................10mA Soldering Lead Temperature (10s)................................... 260°C Junction Temperature .......................................–50°C to 150°C DC Electrical Characteristics (Unless otherwise specified, VDD = 3.3V, fO = 27 MHz, VIN = 1.65V, Load = 15pF, TA = 25oC) Symbol Desciption Test Condidtion VDD Operating Voltage VOH Output High Volage IOH = -12mA VOL Output Low Voltage IOL = 12mA IOH Output High Current VOH = VDD -0.5V IOL Output Low Current VOL = 0.5V IDD Supply Current CL = 15pF IOZ Output Off-leakage RS Negative Resistance fO Input Frequency CL Output load Capacitance Min. Typ. Max. 3.135 3.3 3.465 2.8 Units V 0.5 -11 4 -4 12 mA 5 10 VIN = 0V -150 19.44 µA Ω 40 MHz 15 30 pF Typ. Max. Units 1.5 6 ns 55 % AC Electrical Characteristics (Unless otherwise specified, fO = 27 MHz, Load = 15pF, TA = 25oC) Symbol TR/Tf Desciption Test Condidtion Rise / Fall Time 0.1VDD to 0.9 VDD Td Duty Cycle 0.5 VDD ∆f Pull Range VIN = 0 to VDD Tj Cycle-to-Cycle Jitter Lin Min. 45 ±120 ppm CL = 15pf 50 ps Linearity VIN = 0.1 VDD to 0.9 VDD ±10 % Oscillator Start Time VDD = 0.9 VDD Trigger 1.5 2 10 PS8761 ms 02/04/05 PI6CX100-00 19.44 to 40 MHz 3.3V VCXO for General Purpose Applications Pullability Characteristics 160 140 120 100 60 ∆f (ppm) Relative Pull Range 80 40 20 0 -20 -40 -60 -80 -100 -120 -140 -160 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 VIN (V) Recommended Crystal Specifications Description Mode of Oscillation and Cut Frequency (as specified) Frequency Tolerance Temperature plus Aging Stability Operating Temperature C0 /C1 Load Capacitance (CL) Equivalent Series Resistance (ESR) Crystal Fundamental AT 19.44 to 40 MHz ±20ppm ±30ppm -20°C to +70°C 240 (max.) 18pF 35Ω (max.) Measurement Circuit VIN X1 X2 NC NC VIN VDD GND 3.3V CLKOUT 0.01µF CL = 15pF Note: 1. 0.1µF or 0.01µF bypass capacitor is required. 3 PS8761 02/04/05 PI6CX100-00 19.44 to 40 MHz 3.3V VCXO for General Purpose Applications Packaging Mechanical: Plastic 8-pin SOIC (W) 8 .149 .157 3.78 3.99 .0099 .0196 1 .189 .196 0.25 x 45˚ 0.50 .0075 .0098 0-8˚ 4.80 5.00 .016 .026 0.406 0.660 0.19 0.25 0.40 .016 1.27 .050 .053 .068 .2284 .2440 5.80 6.20 1.35 1.75 SEATING PLANE REF .050 BSC 1.27 .0040 0.10 .0098 0.25 .013 0.330 .020 0.508 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS Ordering Information Ordering Code PI6CX100-00WE Package Code W Package Type Pb-free & Green 8-pin, 150-mil SOIC Operating Range Industrial Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ 2. Use Suffix "X" for tape and reel 3. Number of Transistors = TBD Pericom Semiconductor Corporation • 4 www.pericom.com/saronix PS8761 02/04/05