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SP691ACN Datasheet(PDF) 4 Page - Sipex Corporation |
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SP691ACN Datasheet(HTML) 4 Page - Sipex Corporation |
4 / 7 page SP691AEB/03 SP691A/693A Evaluation Board Manual © Copyright 2000 Sipex Corporation 4 Pin # Pin Name Pin Function Active Level Input Pin Points 1V BATT Backup-Battery Input NA 2V OUT Output Supply Voltage NA 3V CC Input Supply Voltage NA 4 GND Ground for all Signals NA 5 BATT ON Battery On Output HIGH 6 LOWLINE Lowline Output LOW 7 OSC IN Oscillator Input NA V OUT & GND 8 OSC SEL Oscillator Select NA V OUT & GND 9 PFI Power-Fail Input HIGH R1 & R2 10 PFO Power-Fail Output LOW 11 WDI Watchdog Input Transitions V OUT & GND 12 CE OUT Chip-Enable Output LOW 13 CE IN Chip-Enable Input LOW V OUT & GND 14 WDO Watchdog Output LOW 15 RESET RESET Output LOW 16 RESET RESET Output HIGH SP691A/693A Pin Assignments Power Supply Connections Pin 3 – V CC – connect to external +5 VDC supply. Pin 1 – V BATT – connect to external V+ supply of 2.8 to 4.0 VDC, or install capacitor CBATT and charging diode D1 (see List of Materials). Pin 4 – GND – connect to negative or ground of +5VDC supply and ground of V+ supply for V BATT Note: Ensure V CC, VBATT and GND connections are made before operating device. |
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