PIN/PEG Timers & Real-Time Clocks 160

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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
M4T28-BR12SH1	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	4		RECTANGULAR	UNSPECIFIED	NO		3 V		SPECIAL SHAPE				70 Cel	0 Cel	NICKEL GOLD	DUAL									1	CMOS		2.8 V			R-XDSS-P4		Not Qualified		e4
M4T32-BR12SH6	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	4		RECTANGULAR	UNSPECIFIED	NO	SERIAL					N		85 Cel	-40 Cel		DUAL	8.128 mm	17.653 mm		0	.032768 MHz	40	260	21.463 mm		CMOS		2.8 V			R-XDSS-P4		Not Qualified	NO
M4T32-BR12SH6TR	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	4		RECTANGULAR	UNSPECIFIED	NO				SPECIAL SHAPE				85 Cel	-40 Cel		DUAL									1	CMOS		2.8 V			R-XDSS-P4		Not Qualified
M4T32-BR12SH1	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	4		RECTANGULAR	UNSPECIFIED	NO				SPECIAL SHAPE				70 Cel	0 Cel	TIN	DUAL									1	CMOS		2.8 V			R-XDSS-P4		Not Qualified		e3
DS1742W-120+	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	IN-LINE	DIP24,.6	N	2.97 V	70 Cel	0 Cel	MATTE TIN	DUAL	8.51 mm	15.24 mm		8	.032 MHz			37.595 mm	0	CMOS	SECONDS	3.3 V	Timer or RTC	2.54 mm	R-PDIP-P24		Not Qualified	NO	e3
DS1742W-120	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	IN-LINE	DIP24,.6	N	2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL	8.51 mm	15.24 mm		8	.032 MHz			37.595 mm	0	CMOS	SECONDS	3.3 V	Timer or RTC	2.54 mm	R-PDIP-P24		Not Qualified	NO	e0
DS1746-70IND	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	32	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	IN-LINE	DIP32,.6	N	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	9.27 mm	15.24 mm		8	.032 MHz			38.675 mm		CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-XDIP-P32	1	Not Qualified	NO	e0
DS1556-70IND	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP32,.6	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	10.922 mm	15.24 mm		8	.032 MHz			43.053 mm		CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDMA-P32		Not Qualified	NO	e0
DS1556-70IND+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP32,.6	Y	4.5 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	10.922 mm	15.24 mm		8	.032 MHz			43.053 mm		CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDMA-P32		Not Qualified	NO	e3
DS1243Y-120	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V		IN-LINE	DIP28,.6	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	9.398 mm	15.24 mm		8				38.862 mm	0	CMOS	1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-PDIP-P28	1	Not Qualified	NO	e0
DS1243Y-120+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V		IN-LINE	DIP28,.6	N	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	9.398 mm	15.24 mm		8				38.862 mm		CMOS	1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-PDIP-P28		Not Qualified	NO	e3
DS1244Y-70	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	IN-LINE	DIP28,.6	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	9.398 mm	15.24 mm		8				38.862 mm	0	CMOS	1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-PDIP-P28	1	Not Qualified	NO	e0
DS1244Y-70+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	IN-LINE	DIP28,.6	N	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	9.398 mm	15.24 mm		8				38.862 mm		CMOS	1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-PDIP-P28		Not Qualified	YES	e3
DS1642-100+	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP24,.6	N	4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	10.668 mm	15.24 mm		8	.032 MHz			33.02 mm		CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDMA-P24	1	Not Qualified	NO	e3
DS1642-100	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP24,.6	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	10.668 mm	15.24 mm		8	.032 MHz			33.02 mm		CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDMA-P24	1	Not Qualified	NO	e0
DS1644-120	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP28,.6	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL				8					0	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-XDMA-P28		Not Qualified	NO	e0
DS1644-120+	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP28,.6	N	4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL				8					0	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-XDMA-P28		Not Qualified	NO	e3
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
DS1553-85+	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	IN-LINE	DIP28,.6	Y	4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	9.398 mm	15.24 mm		8	.032 MHz	30	260	38.862 mm	0	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-P28		Not Qualified	NO	e3
DS1643-100+	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP28,.6	N	4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	9.02 mm	15.24 mm		8	.032 MHz			37.595 mm	1	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-XDMA-P28		Not Qualified	NO	e3
DS1643+100	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V		MICROELECTRONIC ASSEMBLY			4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	9.02 mm	15.24 mm		8	.032 MHz			37.595 mm		CMOS		5 V		2.54 mm	R-XDMA-P28	3	Not Qualified		e3
DS1643-100	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP28,.6	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	9.02 mm	15.24 mm		8	.032 MHz	20	240	37.595 mm	1	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-XDMA-P28	1	Not Qualified	NO	e0
DS1742-100IND+	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	IN-LINE	DIP24,.6	N	4.5 V	85 Cel	-40 Cel	MATTE TIN	DUAL	8.51 mm	15.24 mm		8	.032 MHz			37.595 mm	0	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-P24		Not Qualified	NO	e3
DS1742-100IND	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	IN-LINE	DIP24,.6	N	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	8.51 mm	15.24 mm		8	.032 MHz			37.595 mm	0	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-P24		Not Qualified	NO	e0
DS1747-70IND	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	32	QIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP32,.6	N	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	10.922 mm	15.24 mm		8	.032 MHz			43.053 mm	0	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-XDMA-P32		Not Qualified	NO	e0
DS1286+	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP28,.6	Y	4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	10.28 mm	15.24 mm	ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P	8	.032 MHz			38.865 mm	1	CMOS	1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-XDMA-P28		Not Qualified	NO	e3
DS1286	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP28,.6	Y	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	10.28 mm	15.24 mm	ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P	8	.032 MHz			38.865 mm	1	CMOS	1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-XDMA-P28		Not Qualified	NO	e0
DS1746-70	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	32	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	IN-LINE	DIP32,.6	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	9.27 mm	15.24 mm		8	.032 MHz			38.675 mm	0	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-XDIP-P32	1	Not Qualified	NO	e0
DS1554-70	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	IN-LINE	DIP32,.6	Y	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	9.27 mm	15.24 mm	IT CAN ALSO OPERATE WITH 5V	8	.032 MHz			38.675 mm	0	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-P32	1	Not Qualified	NO	e0
DS1556-70	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP32,.6	Y	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	10.922 mm	15.24 mm		8	.032 MHz			43.053 mm		CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDMA-P32		Not Qualified	NO	e0
DS1556-70+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP32,.6	Y	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	10.922 mm	15.24 mm		8	.032 MHz			43.053 mm		CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDMA-P32		Not Qualified	NO	e3
BQ4850YMA-85	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP32,.6	Y	4.5 V	70 Cel	0 Cel		DUAL				8	.032 MHz	NOT SPECIFIED	NOT SPECIFIED		0	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDMA-P32		Not Qualified	NO
BQ4850YMA-85N	Texas Instruments	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP32,.6	Y	4.5 V	85 Cel	-40 Cel		DUAL	9.53 mm	15.24 mm		8	.032 MHz	NOT SPECIFIED	NOT SPECIFIED	42.8 mm	0	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDMA-P32		Not Qualified	NO
BQ3287AMT-SB2	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, MUXED BUS	5.5 V	5	IN-LINE	DIP24,.6	Y	4.5 V	70 Cel	0 Cel		DUAL				8		NOT SPECIFIED	NOT SPECIFIED		1	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-P24		Not Qualified	NO
DS1244P-70	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V		IN-LINE			4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	9.398 mm	15.24 mm		8				38.862 mm	0	CMOS		5 V		2.54 mm	R-PDIP-P28		Not Qualified		e0
DS1554W	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	32	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	DIP32,.6	Y	2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL				8	.032 MHz					CMOS	SECONDS	3.3 V	Timer or RTC	2.54 mm	R-XDMA-P32		Not Qualified	NO	e0
DS1251Y-70+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	IN-LINE	DIP32,.6	N	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	10.922 mm	15.24 mm		8				43.053 mm		CMOS	1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-PDIP-P32		Not Qualified	NO	e3
DS1244W-120IND+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	IN-LINE	DIP28,.6	N	2.97 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	9.398 mm	15.24 mm		8				38.862 mm		CMOS	1/100 SECOND	3.3 V	Timer or RTC	2.54 mm	R-PDIP-P28		Not Qualified	YES	e3
DS1746	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	32	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP32,.6	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL				8	.032 MHz					CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-XDMA-P32		Not Qualified	NO	e0
DS1744	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP28,.6	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL				8	.032 MHz					CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-XDMA-P28		Not Qualified	NO	e0
DS1556W-120+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	DIP32,.6	Y	2.97 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	10.922 mm	15.24 mm		8	.032 MHz			43.053 mm		CMOS	SECONDS	3.3 V	Timer or RTC	2.54 mm	R-PDMA-P32		Not Qualified	NO	e3
DS1244W-120+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	IN-LINE	DIP28,.6	N	2.97 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	9.398 mm	15.24 mm		8				38.862 mm		CMOS	1/100 SECOND	3.3 V	Timer or RTC	2.54 mm	R-PDIP-P28		Not Qualified	YES	e3
DS1743W-150IND+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	28	QIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	DIP28,.6	N	2.97 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	10.67 mm	15.24 mm		8	.032 MHz			38.225 mm	0	CMOS	SECONDS	3.3 V	Timers or RTCs	2.54 mm	R-XDMA-P28		Not Qualified	NO	e3
DS1554	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	32	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	MICROELECTRONIC ASSEMBLY	DIP32,.6	Y	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL				8	.032 MHz					CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-XDMA-P32		Not Qualified	NO	e0
DS1744+100	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	28	QIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	5	IN-LINE	DIP32,.6	N	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	9.02 mm	15.24 mm		8	.032 MHz			37.595 mm	0	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-XDIP-P28		Not Qualified	NO	e3
DS1746W	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	32	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	DIP32,.6	N	2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL				8	.032 MHz					CMOS	SECONDS	3.3 V	Timer or RTC	2.54 mm	R-XDMA-P32		Not Qualified	NO	e0
DS1556W	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	PIN/PEG	32	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	DIP32,.6	Y	2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL				8	.032 MHz					CMOS	SECONDS	3.3 V	Timer or RTC	2.54 mm	R-XDMA-P32		Not Qualified	NO	e0
DS1556W-120IND+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	MICROELECTRONIC ASSEMBLY	DIP32,.6	Y	2.97 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	10.922 mm	15.24 mm		8	.032 MHz			43.053 mm		CMOS	SECONDS	3.3 V	Timer or RTC	2.54 mm	R-PDMA-P32		Not Qualified	NO	e3

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.