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| DS9034PCX PRELIMINARY DS9034PCX PowerCap with Crystal FEATURES * Provides 10 years of battery backup power for Nonvolatile Timekeeping RAM's in the PowerCap Module package (PCM) * Snaps directly onto surface-mounted PowerCap Module Boards * Detachment feature allows easy removal * Compatible with these 34-pin PowerCap Modules: - DS1644P-xxx - DS1646P-xxx - DS1647P-xxx PIN DESCRIPTION VBAT GND X1, X2 - +3 Volt Battery Output - Ground - 32.768 KHz Crystal Connections ABSOLUTE MAXIMUM RATINGS* Operating Temperature Storage Temperature 0C to 70C -20C to +70C CRYSTAL CHARACTERISTICS Nominal Frequency Load Capcitance 32.768 KHz 6 pF DESCRIPTION The DS9034PCX PowerCap is designed to be a snap-on lithium power source for Nonvolatile Timekeeping RAMs in Dallas Semiconductor's directly surface-mountable PowerCap Module (PCM) package. After a PowerCap Module Board has been soldered in place and cleaned, the DS9034PCX PowerCap is snapped on top of the PCM Board to form a complete PowerCap Module package. The PowerCap is keyed to prevent incorrect attachment. The DS9034PCX can be easily removed by inserting a regular screwdriver into a detachment feature and prying gently outward and upward to release the PowerCap from the PowerCap Module Board. BATTERY CHARACTERISTICS Nominal Voltage Nominal Capacity Chemistry Data Retention Life 3V 130 mAhr Li (CF)x 10 Years (25C) * This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. ECopyright 1995 by Dallas Semiconductor Corporation. All Rights Reserved. For important information regarding patents and other intellectual property rights, please refer to Dallas Semiconductor data books. 022897 1/2 DS9034PCX DS9034PCX TOP VIEW PKG DIM A B SIDE VIEW C D E MIN 0.845 0.955 0.210 0.065 0.065 INCHES NOM 0.850 0.960 0.215 0.070 0.070 MAX 0.855 0.965 0.220 0.075 0.075 BOTTOM VIEW: REF ONLY POWER CAP: BATTERY AND CRYSTAL 022897 2/2 |
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