New Crystal Oscillators IC AN8955SSM ■ Overview The AN8955SSM is a low-voltage operating IC for crystal oscillator. With a built-in stabilized power supply, oscillator circuit and output buffer, this IC facilitates construction of crystal oscillator circuitry. Unit : mm 1.60 ±0.10 1.20 ±0.10 0.20 ■ Features 5 0.20 +0.10 -0.05 0.50 2 0.50 ±0.10 1.60 ● SS Mini 5-pin package : 1.6mm × 1.6mm (incl. lead) 1.00 ±0.10 1 ● Broad power supply voltage range : 2.3 V to 5.5 V 0.20 3 4 ■ Applications 0 to 0.10 +0.10 0.12 -0.05 0.60max ● Crystal oscillators for mobile communication equipment SSMINI-5D ■ Block Diagram ■ Pin Descriptions 1 5 OSCB VCC Regulator 2 GND Pin No. Function 1 Oscillator input 2 GND 3 Oscillator feedback 4 Output 5 Power supply Xtal oscillator 3 OSCE 4 OUT ¦ The products and specifications are subject to change without any notice. Please ask for the latest product standards to guarantee the satisfaction of your product requirements. Semiconductor Company, Matsushita Electronics Corporation 1 Kotari Yakemachi, Nagaokakyo, Kyoto, 617-8520 Japan E00070AE Tel. (075) 951-8151 http://www.mec.panasonic.co.jp New publication, effective from Sep. 5 2000. ■ Absolute Maximum Ratings Parameters Symbol Rating Item Note Storage temperature Tstg -55 to +125 °C 1 Operating ambient temperature Topr -30 to +80 °C 1 Supply voltage VCC 6.5 V Supply current ICC - mA Power dissipation PD 54 mW 2 Note1) All items are at Ta = 25°C, except for the operating ambient temperature and storage temperature parameters. Note2) Ta = 80°C ■ Recommended Operating Range Supply voltage Vcc 2.3 V to 5.5 V ■ Electrical Characterristics (Ta=25°C±2°C,Vcc=2.7V unless otherwise specified) Parameters Symbol Supply current Conditions min typ max Unit ICC 0.83 1.07 1.31 mA OSC B pin voltage VOB 1.12 1.37 1.62 V OSC E pin voltage VOE 460 650 840 mV OSC C pin current IOC 1.22 1.57 1.92 mA ■ Electrical Characterristics (Reference Data for Designing) Parameters Symbol Conditions min typ max Unit X tal oscillator frequency FOSC fOSC=13 MHz -50 - +50 PPM X tal oscillator amplitude VPP fOSC=13 MHz 1.0 - - VP-P Oscillation circuit negative RN fOSC=13 MHz 100 - - Ω FOSCL RL,CL= ±10 % -0.2 - +0.2 PPM FOSCV VCC= ±0.1 V -0.2 - +0.2 PPM Base on GND 40 - 60 % resistance Change in oscillator frequency with load Change in oscillator frequency with supply voltage Output amplitude duty ratio DUTY * The above characteristics are refence values for designing and not guaranteed values. ■ Application Circuit 1 5 Regulator 2.7V 43pF Xtal oscillator 4 1000pF 10pF ■ Package Power Dissipation 0.20 IC without heat sink Rth( j-a) = 833.3 °C/W Power Dissipation PD (W) 0.15 0.12 0.10 0.05 0.00 0 25 50 75 Ambient Temperature Ta (°C) 100 125 2 kΩ 3 62pF 13MHz 2