SOJ-I Timers & Real-Time Clocks 7

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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	Terminal Finish	Terminal Position	Maximum Seated Height	Width	Additional Features	External Data Bus Width	Length	Technology	Minimum Time	Nominal Supply Voltage	Sub-Category	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	Volatile	JESD-609 Code
DS1644L-15	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34	SOJ-I	RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	SMALL OUTLINE	MODULE,34LEAD,1.0	N	4.5 V	70 Cel	TIN LEAD	DUAL	6.35 mm	21.5265 mm	ACCURACY 1 MIN/MONTH @ 25 DEGREE C; 10 YEARS DATA RETENTION	8	24.5745 mm	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-XDSO-U34		Not Qualified	NO	e0
DS1647L-15	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34	SOJ-I	RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V		SMALL OUTLINE			4.5 V	70 Cel	TIN LEAD	DUAL	6.35 mm	21.5265 mm		8	24.4475 mm	CMOS		5 V		1.27 mm	R-XDSO-U34		Not Qualified		e0
DS1647L-12	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34	SOJ-I	RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V		SMALL OUTLINE			4.5 V	70 Cel	TIN LEAD	DUAL	6.35 mm	21.5265 mm		8	24.4475 mm	CMOS		5 V		1.27 mm	R-XDSO-U34		Not Qualified		e0
DS1646L-12	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34	SOJ-I	RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V		SMALL OUTLINE			4.5 V	70 Cel	TIN LEAD	DUAL	6.35 mm	21.5265 mm	ACCURACY 1 MIN/MONTH @ 25 DEGREE C; 10 YEARS DATA RETENTION	8	24.4475 mm	CMOS		5 V		1.27 mm	R-XDSO-U34		Not Qualified		e0
DS1646L-15	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34	SOJ-I	RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V		SMALL OUTLINE			4.5 V	70 Cel	TIN LEAD	DUAL	6.35 mm	21.5265 mm	ACCURACY 1 MIN/MONTH @ 25 DEGREE C; 10 YEARS DATA RETENTION	8	24.4475 mm	CMOS		5 V		1.27 mm	R-XDSO-U34		Not Qualified		e0
DS1644L-12	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34	SOJ-I	RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	SMALL OUTLINE	MODULE,34LEAD,1.0	N	4.5 V	70 Cel	TIN LEAD	DUAL	6.35 mm	21.5265 mm	ACCURACY 1 MIN/MONTH @ 25 DEGREE C; 10 YEARS DATA RETENTION	8	24.5745 mm	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-XDSO-U34		Not Qualified	NO	e0
DS1646L-120	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34	SOJ-I	RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V		SMALL OUTLINE			4.5 V	70 Cel		DUAL	6.35 mm	21.5265 mm		8	24.4475 mm	CMOS		5 V		1.27 mm	R-XDSO-U34	1	Not Qualified

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.