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ISL12082 数据表(PDF) 3 Page - Intersil Corporation |
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ISL12082 数据表(HTML) 3 Page - Intersil Corporation |
3 / 26 page 3 FN6731.3 November 24, 2008 Pin Descriptions PIN NUMBER SYMBOL DESCRIPTION SOIC MSOP 1 1 X1 The X1 pin is the input of an inverting amplifier and is intended to be connected to one pin of an external 32.768kHz quartz crystal. X1 can also be driven directly from a 32.768kHz source. 2 2 X2 The X2 pin is the output of an inverting amplifier and is intended to be connected to one pin of an external 32.768kHz quartz crystal. -3 VBAT This input provides a backup supply voltage to the device. VBAT supplies power to the device in the event that the VDD supply fails. This pin should be tied to ground if not used. 3 4 GND Ground - 5 NC No Connect 46 IRQ2 Interrupt Output 2 is a multi-functional pin that can be used as alarm interrupt or timer interrupt pin. The function is set via the configuration register. 5 7 SDA Serial Data (SDA) is a bi-directional pin used to transfer serial data into and out of the device. It has an open drain output and may be wire OR’ed with other open drain or open collector outputs. 6 8 SCL The Serial Clock (SCL) input is used to clock all serial data into and out of the device. 79 IRQ1/fOUT Interrupt Output 1/Frequency Output is a multi-functional pin that can be used as alarm interrupt or frequency output pin. The function is set via the configuration register. 810 VDD Power supply ISL12082 |
类似零件编号 - ISL12082 |
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类似说明 - ISL12082 |
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