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| DA6720.000 2 January 2007 MAS6720 This is advance information on a new product under development. Micro Analog Systems Oy reserves the right to make any changes without notice. IC FOR 32.768 kHz XO Low Cost Low Supply Voltage Low Current Consumption CMOS Output * Very High Level of Integration * * * * DESCRIPTION MAS6720 is an integrated circuit well suited to make a fundamental crystal oscillator (XO): only one additional component, a crystal, is needed. MAS6720 includes an oscillator and an output buffer circuits. FEATURES * * * * Very small size Minimum current draw Wide operating temperature range CMOS output APPLICATIONS * * * XO for wrist watches XO for clocks XO for battery operated systems BLOCK DIAGRAM VDBUFF MAS6720 OUT VDD VSS XIN XOUT Figure 1. Block diagram of MAS6720. 1 (4) DA6720.000 2 January 2007 ABSOLUTE MAXIMUM RATINGS Parameter Supply Voltage Input Voltage Power Dissipation Operating Temperature Storage Temperature Symbol VDD - VSS VIN PMAX TOP TST Min -0.3 VSS -0.3 -40 -55 Max 6.0 VDD + 0.3 120 85 150 Unit V V mW o C o C Note Note: Stresses beyond the values listed may cause a permanent damage to the device. The device may not operate under these conditions, but it will not be destroyed RECOMMENDED OPERATION CONDITIONS Parameter Supply Voltage Current Consumption Crystal Load Capacitance Symbol VDD IDD CL Conditions Min 1.2 Typ 1.5 1.6 12.5 Max 3.6 8.0 Unit V A pF Note 1) 2) Note 1: If VDD = 3.6V, it is recommended to connect 1nF capacitor to VDD pin. Note 2: For other load capacitance options contact to Micro Analog Systems Oy. ELECTRICAL CHARACTERISTICS FOR 1.5V SUPPLY VOLTAGE TA = -40 to +85 typical values at TA = +27C, VDD = 1.5V, fO = 32.768 kHz, Output Load = 15 pF, unless otherwise specified. C C, Parameter Output Load Crystal Frequency Range when Output Load is Maximum 35pF Output Voltage Range Rise and Fall Time Start-up Time Duty Cycle Symbol Min Typ 15 Max 35 100.00 VDD 4 60 Unit pF kHz V ns s % Note fo 30.00 0 32.768 VD,BUFF 3 0.5 1) TSTART 40 48-52 Note 1: The output voltage is controlled with VD,BUFF. Basically VOUT = VD,BUFF and VD,BUFF can be varied between 0 VD,BUFF VDD. 2 (4) DA6720.000 2 January 2007 PIN DESCRIPTION Pin Description Power Supply Voltage Power Supply for Output Buffer Crystal Oscillator Input Crystal Oscillator Output Power Supply Ground Buffer Output Symbol VDD VDBUFF XIN XOUT VSS OUT x-coordinate 141 141 450 303 588 588 y-coordinate 569 376 141 141 379 594 Note: Because the substrate of the die is internally connected to GND, the die has to be connected to GND or left floating. Please make sure that GND is the first pad to be bonded. Pick-and-place and all component assembly are recommended to be performed in ESD protected area. Note: Pad coordinates are measured from the left bottom corner of the chip to the center of the pads. The coordinates may vary depending on sawing width and location, however, distances between pads are accurate. IC OUTLINES MAS6720 OUT VDD VD BUFF VSS 720 um XOUT XIN Die Map Reference 730 um Figure 2. IC outlines. Note1: Die map reference is the actual left bottom corner of the sawn chip. Note2: See coordinates in pin description. Note3: Die dimensions include 80 m scribes for both sides. 3 (4) DA6720.000 2 January 2007 ORDERING INFORMATION Product Code MAS6720A1TG00 Output Frequency fo Crystal Load (pF) 12.5 Wafer thickness 215 m Comments Tested, wafer Contact Micro Analog Systems Oy for crystal loads between 7.0 pF and 16.0 pF. Contact Micro Analog Systems Oy for other wafer thickness options. LOCAL DISTRIBUTOR MICRO ANALOG SYSTEMS OY CONTACTS Micro Analog Systems Oy Kamreerintie 2, P.O. Box 51 FIN-02771 Espoo, FINLAND Tel. +358 9 80 521 Fax +358 9 805 3213 http://www.mas-oy.com NOTICE Micro Analog Systems Oy reserves the right to make changes to the products contained in this data sheet in order to improve the design or performance and to supply the best possible products. Micro Analog Systems Oy assumes no responsibility for the use of any circuits shown in this data sheet, conveys no license under any patent or other rights unless otherwise specified in this data sheet, and makes no claim that the circuits are free from patent infringement. Applications for any devices shown in this data sheet are for illustration only and Micro Analog Systems Oy makes no claim or warranty that such applications will be suitable for the use specified without further testing or modification. 4 (4) |
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