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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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PCF2123TS 데이터시트(PDF) 1 Page - NXP Semiconductors |
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PCF2123TS 데이터시트(HTML) 1 Page - NXP Semiconductors |
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1 / 63 page  1. General description The PCF2123 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power applications. Data is transferred serially via a Serial Peripheral Interface (SPI-bus) with a maximum data rate of 6.25 Mbit/s. An alarm and timer function is also available providing the possibility to generate a wake-up signal on an interrupt pin. An offset register allows fine tuning of the clock. 2. Features and benefits Real time clock provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal Low backup current while running: typical 100 nA at VDD = 2.0 V and Tamb =25 °C Resolution: seconds to years Watchdog functionality Freely programmable timer and alarm with interrupt capability Clock operating voltage: 1.1 V to 5.5 V 3 line SPI-bus with separate, but combinable data input and output Serial interface at VDD =1.6 Vto5.5 V 1 second or 1 minute interrupt output Integrated oscillator load capacitors for CL =7pF Internal Power-On Reset (POR) Open-drain interrupt and clock output pins Programmable offset register for frequency adjustment 3. Applications Time keeping application Battery powered devices Metering High duration timers Daily alarms Low standby power applications PCF2123 SPI Real time clock/calendar Rev. 5 — 27 April 2011 Product data sheet 1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 21. |
유사한 부품 번호 - PCF2123TS |
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유사한 설명 - PCF2123TS |
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