34 Timers & Real-Time Clocks 198

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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	Additional Features	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	Moisture Sensitivity Level (MSL)	Qualification	Volatile	JESD-609 Code
DS9034PCX	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	3.3/5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL				8	.032 MHz				0	CMOS	SECONDS	5 V	Timer or RTC		R-XDMA-U34	1	Not Qualified	NO	e0
DS9034PCX+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	3.3/5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	4.5 V	70 Cel	0 Cel	GOLD	DUAL				8	.032 MHz				0	CMOS	SECONDS	5 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e4
DS1744P-70IND	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL				8	.032 MHz				0	CMOS	SECONDS	5 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e0
DS1744P-70IND+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	4.5 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	2.3368 mm	23.495 mm		8	.032 MHz			25.019 mm	0	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-XDMA-U34		Not Qualified	NO	e3
DS9034I-PCX	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V		MICROELECTRONIC ASSEMBLY			4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL				8	.032 MHz				0	CMOS		5 V			R-XDMA-U34		Not Qualified		e0
DS9034I-PCX+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V		MICROELECTRONIC ASSEMBLY			4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL				8	.032 MHz				0	CMOS		5 V			R-XDMA-U34		Not Qualified		e3
DS1744P-70+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	2.3368 mm	23.495 mm		8	.032 MHz			25.019 mm	0	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-XDMA-U34		Not Qualified	NO	e3
DS9034PC+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES				MICROELECTRONIC ASSEMBLY				70 Cel	0 Cel	GOLD OVER NICKEL	DUAL	5.588 mm	21.59 mm						24.384 mm		CMOS		3 V			R-XDMA-U34				e4
DS9034PCI+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES				MICROELECTRONIC ASSEMBLY				85 Cel	-40 Cel	GOLD OVER NICKEL	DUAL	6.858 mm	23.495 mm						25.019 mm		CMOS		3 V		1.27 mm	R-XDMA-U34				e4
DS1248WP-120IND	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	J INVERTED	34	DIP	RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	DIP32,.6	N	2.97 V	85 Cel	-40 Cel	TIN LEAD	DUAL				8						CMOS	1/100 SECOND	3.3 V	Timer or RTC	2.54 mm	R-XDMA-U34	1	Not Qualified	NO	e0
DS1248WP-120IND+	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	2.97 V	85 Cel	-40 Cel	MATTE TIN	DUAL	6.858 mm	23.495 mm		8				24.384 mm		CMOS	1/100 SECOND	3.3 V	Timer or RTC	1.27 mm	R-XDMA-U34	1	Not Qualified	NO	e3
DS1248WP-120-IND	Dallas Semiconductor	TIMER, REAL TIME CLOCK	INDUSTRIAL	J INVERTED	34	DIP	RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	DIP32,.6	N	2.97 V	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL			A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED	8						CMOS	1/100 SECOND	3.3 V	Timer or RTC	2.54 mm	R-XDMA-U34		Not Qualified	NO	e0
DS1251YP-70IND	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL			USE DS9034PCX TO ORDER POWERCAP	8						CMOS	1/100 SECOND	5 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e0
DS1251YP--70-IND	Dallas Semiconductor	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	34		RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V		MICROELECTRONIC ASSEMBLY			4.5 V	85 Cel	-40 Cel		DUAL			USE DS9034PCX TO ORDER POWERCAP	8					0	CMOS		5 V			R-XDMA-P34		Not Qualified
DS1251YP-70IND+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	4.5 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	6.858 mm	23.495 mm	USE DS9034PCX TO ORDER POWERCAP	8				24.384 mm		CMOS	1/100 SECOND	5 V	Timer or RTC	1.27 mm	R-XDMA-U34		Not Qualified	NO	e3
DS1643P-70	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34	QCCJ	RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	2.3368 mm	23.495 mm		8	.032 MHz			25.019 mm	0	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-XDMA-U34	1	Not Qualified	NO	e0
DS1643P-70+	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL				8	.032 MHz				0	CMOS	SECONDS	5 V	Timer or RTC		R-XDMA-U34	1	Not Qualified	NO	e3
DS1744WP+120	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	2.97 V	70 Cel	0 Cel	MATTE TIN	DUAL				8	.032 MHz				0	CMOS	SECONDS	3.3 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e3
DS1744WP-120	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL			A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED	8	.032 MHz				0	CMOS	SECONDS	3.3 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e0
DS1744WP-120+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	2.97 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	2.3368 mm	23.495 mm		8	.032 MHz			25.019 mm	0	CMOS	SECONDS	3.3 V	Timer or RTC	1.27 mm	R-XDMA-U34		Not Qualified	NO	e3
DS1251WP-120	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL			USE DS9034PCX TO ORDER POWERCAP	8						CMOS	1/100 SECOND	3.3 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e0
DS1251WP-120+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	2.97 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	6.858 mm	23.495 mm	USE DS9034PCX TO ORDER POWERCAP	8				24.384 mm		CMOS	1/100 SECOND	3.3 V	Timer or RTC	1.27 mm	R-XDMA-U34		Not Qualified	NO	e3
DS1643P-120	Maxim Integrated		COMMERCIAL		34			PLASTIC/EPOXY		PARALLEL		5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N		70 Cel	0 Cel												CMOS	SECONDS	5 V	Timer or RTC				Not Qualified	NO
DS1646P-120+	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V		MICROELECTRONIC ASSEMBLY			4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	2.3368 mm	23.495 mm		8	.032 MHz	30	260	25.019 mm	0	CMOS		5 V			R-XDMA-U34		Not Qualified		e3
DS1646P-120	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	NO LEAD	34		RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V		MICROELECTRONIC ASSEMBLY			4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL				8	.032 MHz				0	CMOS		5 V			R-XDMA-N34	1	Not Qualified		e0
DS1646P+120	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	NO LEAD	34		RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V		MICROELECTRONIC ASSEMBLY			4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL				8	.032 MHz				0	CMOS		5 V			R-XDMA-N34		Not Qualified		e3
DS1743WP-120	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL			A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED	8	.032 MHz				0	CMOS	SECONDS	3.3 V	Timer or RTC		R-XDMA-U34	1	Not Qualified	NO	e0
DS1743WP-120+	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	2.97 V	70 Cel	0 Cel	MATTE TIN	DUAL			A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED	8	.032 MHz				0	CMOS	SECONDS	3.3 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e3
DS1556WP	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		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			A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED	8	.032 MHz					CMOS	SECONDS	3.3 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e0
DS1248YP-70+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	6.858 mm	23.495 mm		8				24.384 mm		CMOS	1/100 SECOND	5 V	Timer or RTC	1.27 mm	R-XDMA-U34	1	Not Qualified	NO	e3
DS1554WP	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		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			A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED	8	.032 MHz					CMOS	SECONDS	3.3 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e0
DS1643P-150	Analog Devices		COMMERCIAL		34			PLASTIC/EPOXY		PARALLEL		5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N		70 Cel	0 Cel												CMOS	SECONDS	5 V	Timer or RTC				Not Qualified	NO
DS1557P-70+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	Y	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL				8	.032 MHz					CMOS	SECONDS	5 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e3
DS1746WP	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL			A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED	8	.032 MHz					CMOS	SECONDS	3.3 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e0
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	0 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	0	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-XDSO-U34		Not Qualified	NO	e0
DS1556P	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		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			A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED	8	.032 MHz					CMOS	SECONDS	5 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e0
DS1554P-70+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	Y	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	2.3368 mm	23.495 mm		8	.032 MHz			25.019 mm		CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-XDMA-U34		Not Qualified	NO	e3
DS1747WP	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL			A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED	8	.032 MHz				0	CMOS	SECONDS	3.3 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e0
DS1251PP-70-IND	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V		MICROELECTRONIC ASSEMBLY			4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL				8	14.285 MHz					CMOS		5 V			R-XDMA-U34		Not Qualified		e0
DS1557WP-120IND+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	Y	2.97 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL				8	.032 MHz					CMOS	SECONDS	3.3 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e3
DS1386P08-150	Analog Devices		COMMERCIAL		34			PLASTIC/EPOXY		PARALLEL		5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	Y		70 Cel	0 Cel												CMOS	1/100 SECOND	5 V	Timer or RTC				Not Qualified	NO
DS1747WP-120IND+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	2.97 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	2.3368 mm	23.495 mm		8	.032 MHz			25.019 mm	0	CMOS	SECONDS	3.3 V	Timer or RTC	1.27 mm	R-XDMA-U34		Not Qualified	NO	e3
DS1744P	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL				8	.032 MHz					CMOS	SECONDS	5 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e0
DS1244YP-70+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	6.858 mm	23.495 mm		8				25.019 mm		CMOS	1/100 SECOND	5 V	Timer or RTC	1.27 mm	R-XDMA-U34	1	Not Qualified	NO	e3
DS1556P-70+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	Y	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL				8	.032 MHz					CMOS	SECONDS	5 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e3
DS1643AL-12	Analog Devices		COMMERCIAL		34			PLASTIC/EPOXY		PARALLEL		5	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N		70 Cel	0 Cel												CMOS	SECONDS	5 V	Timer or RTC				Not Qualified	NO
DS1244WP-120+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	MODULE,34LEAD,1.0	N	2.97 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	6.858 mm	23.495 mm		8				25.019 mm		CMOS	1/100 SECOND	3.3 V	Timer or RTC	1.27 mm	R-XDMA-U34		Not Qualified	NO	e3
DS1557WP	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	J INVERTED	34		RECTANGULAR	UNSPECIFIED	YES	PARALLEL, DIRECT ADDRESS	3.63 V		MICROELECTRONIC ASSEMBLY			2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL			A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED	8	.032 MHz					CMOS		3.3 V			R-XDMA-U34		Not Qualified		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.