计时晶片

- 型号 产品叙述 文件下载
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EM3021
Ultra Low Power 1-Bit 32 kHz RTC
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EM3022
Very Low Power 8-Bit 32 kHz RTC Module with Digital Trimming and High Level Integration
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EM3025
Very Low Power 8-Bit 32 kHz RTC Module with Digital Trimming, User RAM and Battery Switch-over
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EM3027
Real Time Clock with I2C or SPI, Crystal Temperature Compensation, Battery Switchover and Trickle Charger