SOJ Timers & Real-Time Clocks 14

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Part	Manufacturer	Peripheral IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	Information Access Method	Maximum Supply Voltage	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Interrupt Capability	Minimum Supply Voltage	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	Maximum Seated Height	Width	External Data Bus Width	Maximum Clock Frequency	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	No. of Timers	Technology	Minimum Time	Nominal Supply Voltage	Sub-Category	Terminal Pitch	JESD-30 Code	Qualification	Volatile	JESD-609 Code
RTC-8564JE	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	20	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		SMALL OUTLINE			1.8 V	85 Cel	-40 Cel		DUAL	1.5 mm	5.4 mm	0	.032 MHz	NOT SPECIFIED	NOT SPECIFIED	7 mm	0	CMOS		3 V		.65 mm	R-PDSO-J20	Not Qualified
RTC-8564JE:B3:ROHS	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	20	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	1.8/5	SMALL OUTLINE	SSOJ20,.25	Y	1.8 V	85 Cel	-40 Cel	TIN SILVER	DUAL	1.5 mm	5.4 mm				260	7 mm		CMOS	SECONDS	3 V	Timers or RTCs	.65 mm	R-PDSO-J20	Not Qualified	YES	e2
RTC-8564JE:BB:ROHS	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	20	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		SMALL OUTLINE			1.8 V	85 Cel	-40 Cel	TIN SILVER	DUAL	1.5 mm	5.4 mm				260	7 mm		CMOS		3 V		.65 mm	R-PDSO-J20			e2
RTC-8564JEB	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	20	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		SMALL OUTLINE			1.8 V	85 Cel	-40 Cel	TIN LEAD	DUAL	1.5 mm	5.4 mm					7 mm	1	CMOS		2 V		.65 mm	R-PDSO-J20	Not Qualified		e0
Q41856471000100	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	20	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		SMALL OUTLINE			1.7 V	85 Cel	-40 Cel		DUAL	1.5 mm	5.4 mm	0	.032 MHz			7 mm		CMOS		3 V		.65 mm	R-PDSO-J20
RX-8564LC:B3:PURESN	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	12	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		SMALL OUTLINE			1.8 V	85 Cel	-40 Cel	TIN	DUAL	1.2 mm	2.4 mm				260	3.6 mm		CMOS		3 V		.5 mm	R-PDSO-J12			e3
RX-8571LC:B	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	12	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	1.8/5	SMALL OUTLINE	TSSOJ12,.11,20	Y	1.6 V	85 Cel	-40 Cel	TIN	DUAL	1.2 mm	2.4 mm			30	260	3.6 mm		CMOS	SECONDS	3 V	Timer or RTC	.5 mm	R-PDSO-J12	Not Qualified	YES	e3
RX-8564LC:B0:PURESN	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	12	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	2/5	SMALL OUTLINE	TSSOJ12,.11,20	Y	1.8 V	85 Cel	-40 Cel	TIN	DUAL	1.2 mm	2.4 mm				260	3.6 mm		CMOS	SECONDS	3 V	Timers or RTCs	.5 mm	R-PDSO-J12	Not Qualified	YES	e3
RTC-4574JEB	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	20	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V	1.8/5	SMALL OUTLINE	SSOJ20,.25	Y	1.6 V	85 Cel	-40 Cel	Tin/Silver (Sn/Ag)	DUAL	1.5 mm	5.4 mm		.032 MHz	10	260	7 mm	0	CMOS	SECONDS	3 V	Timer or RTC	.65 mm	R-PDSO-J20	Not Qualified	YES	e2
RX-8571LC:B0:PURESN	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	12	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	1.8/5	SMALL OUTLINE	TSSOJ12,.11,20	Y	1.6 V	85 Cel	-40 Cel	TIN	DUAL	1.2 mm	2.4 mm			30	260	3.6 mm		CMOS	SECONDS	3 V	Timer or RTC	.5 mm	R-PDSO-J12	Not Qualified	YES	e3
RX-8571LC:B3:PURESN	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	12	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	1.8/5	SMALL OUTLINE	TSSOJ12,.11,20	Y	1.6 V	85 Cel	-40 Cel	TIN	DUAL	1.2 mm	2.4 mm			30	260	3.6 mm		CMOS	SECONDS	3 V	Timer or RTC	.5 mm	R-PDSO-J12	Not Qualified	YES	e3
RX-8571LC:B:PURESN	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	12	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	1.8/5	SMALL OUTLINE	TSSOJ12,.11,20	Y	1.6 V	85 Cel	-40 Cel	TIN	DUAL	1.2 mm	2.4 mm			30	260	3.6 mm		CMOS	SECONDS	3 V	Timer or RTC	.5 mm	R-PDSO-J12	Not Qualified	YES	e3
DS1557WP-120	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34	SOJ	RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	Y	2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL			8	.032 MHz				0	CMOS	SECONDS	3.3 V	Timer or RTC		R-XDMA-U34	Not Qualified	NO	e0
DS1557P-70	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34	SOJ	RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	Y	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL			8	.032 MHz				0	CMOS	SECONDS	5 V	Timer or RTC		R-XDMA-U34	Not Qualified	NO	e0

Timers & Real-Time Clocks

Timers and real-time clocks (RTCs) are electronic devices that are used to measure and track time intervals in electronic systems. They are crucial components in many applications, such as control systems, automation systems, and consumer electronics.

A timer is an electronic device that is used to measure the duration of time intervals. Timers can be either digital or analog and can be used to measure time intervals ranging from microseconds to hours or even days. They can be used for a variety of applications, such as controlling the duration of a signal or triggering an event after a specified time interval.

A real-time clock (RTC) is a clock that keeps track of the current time and date. Unlike a timer, an RTC is capable of keeping track of time even when the system is powered off. RTCs are commonly used in consumer electronics such as watches, clocks, and digital cameras, as well as in control systems, data loggers, and other applications that require accurate timekeeping.