专用于汽车应用的实时时钟

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实时时钟

RTC模块将32.768kHz音叉晶体谐振器与CMOS的振荡器和RTC IC集成在一个小型SMD陶瓷封装中。 -40°C至+125°C的宽温度范围，保证了在恶劣环境下仍有可靠的时间源。

Real-Time Clock (RTC) Modules

Low Frequency Product catalog

RTC Overview Table

Download

	Type	Package [mm]	Interface	Features	Current @ 3V	Time Accuracy @ 25°C	Temp Comp -40/85°C	VDD min	VDD max	Temp. max	Documents	Temp. read back	Clock Out	Battery Switch	Battery Charge	Charge Pump	Time Stamp	Alarm	Timer	Unix Time	Offset Comp	RAM [bytes]	EEPROM [bytes]

	RV-3028-C8	2.0 x 1.2 x 0.6	I²C		70 nA	±1 ppm		1.1 V	5.5 V	+85°C	数据表应用手册 Free Samples		✓	✓	✓		✓	✓	✓	✓	✓	2	43
	RV-8263-C8	2.0 x 1.2 x 0.7	I²C		190 nA	±20 ppm		0.9 V	5.5 V	+85°C	数据表应用手册		✓					✓	✓		✓	1
	RV-3032-C7	3.2 x 1.5 x 0.8	I²C		160 nA		±2.5 ppm	1.3 V	5.5 V	+105°C	数据表应用手册 Free Samples	✓	✓	✓	✓	✓	✓	✓	✓		✓	16	32
	RV-3028-C7	3.2 x 1.5 x 0.8	I²C		45 nA	±1 ppm		1.1 V	5.5 V	+85°C	数据表应用手册 Free Samples		✓	✓	✓		✓	✓	✓	✓	✓	2	43
	RV-8803-C7	3.2 x 1.5 x 0.8	I²C		240 nA		±3.0 ppm	1.5 V	5.5 V	+105°C	数据表应用手册勘误表 Free Samples		✓				✓	✓	✓		✓	1
	RV-8263-C7	3.2 x 1.5 x 0.8	I²C		190 nA	±20 ppm		0.9 V	5.5 V	+85°C	数据表应用手册 Free Samples		✓					✓	✓		✓	1
	RV-4162-C7	3.2 x 1.5 x 0.8	I²C		350 nA	±20 ppm		1.0 V	4.4 V	+85°C	数据表应用手册 Free Samples		✓					✓			✓
	RV-8523-C3	3.7 x 2.5 x 0.9	I²C		130 nA	±20 ppm		1.2 V	5.5 V	+85°C	数据表应用手册 Free Samples		✓	✓				✓	✓		✓
	RV-8564-C3	3.7 x 2.5 x 0.9	I²C		250 nA	±20 ppm		1.2 V	5.5 V	+85°C	数据表应用手册 Free Samples		✓					✓	✓
	RV-3129-C3	3.7 x 2.5 x 0.9	I²C		800 nA		±6.0 ppm	1.3 V	5.5 V	+125°C	数据表应用手册 Free Samples	✓	✓	✓	✓			✓	✓			8	2
	RV-3029-C3	3.7 x 2.5 x 0.9	I²C		800 nA		±6.0 ppm	1.3 V	5.5 V	+125°C	数据表应用手册新C3包	✓	✓	✓	✓			✓	✓			8	2
	RV-8063-C8	2.0 x 1.2 x 0.7	SPI		190 nA	±20 ppm		0.9 V	5.5 V	+85°C	数据表应用手册		✓					✓	✓		✓	1
	RV-8063-C7	3.2 x 1.5 x 0.8	SPI		190 nA	±20 ppm		0.9 V	5.5 V	+85°C	数据表应用手册 Free Samples		✓					✓	✓		✓	1
	RV-3149-C3	3.7 x 2.5 x 0.9	SPI		800 nA		±6.0 ppm	1.3 V	5.5 V	+125°C	数据表应用手册 Free Samples	✓	✓	✓	✓			✓	✓			8	2
	RV-3049-C3	3.7 x 2.5 x 0.9	SPI		800 nA		±6.0 ppm	1.3 V	5.5 V	+125°C	数据表应用手册新C3包	✓	✓	✓	✓			✓	✓			8	2