DIP Timers & Real-Time Clocks 677

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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	On Chip Data RAM Width	No. of Bits	Maximum Output Clock Frequency	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	RAM Words	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	Maximum Supply Current	Minimum Time	Nominal Supply Voltage	Sub-Category	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	Volatile	JESD-609 Code
DS12C887A+	Analog Devices	TIMER, PROGRAMMABLE	COMMERCIAL	THROUGH-HOLE	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	Matte Tin (Sn) - annealed	DUAL	9.398 mm		15.24 mm		8	.032 MHz			33.782 mm	1	CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T24		Not Qualified	NO	e3
ID82C54	Renesas Electronics	TIMER, PROGRAMMABLE	INDUSTRIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	PARALLEL, DIRECT ADDRESS	5.5 V		16			IN-LINE			4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	5.72 mm		15.24 mm		8	8 MHz				3	CMOS			5 V		2.54 mm	R-CDIP-T24		Not Qualified		e0
M48T12-70PC1	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	8			5	IN-LINE	DIP24,.6	N	4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	9.65 mm	2040	15.24 mm		8	.032 MHz			34.545 mm	0	CMOS	80 mA	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T24		Not Qualified	NO	e3
CP82C54-12Z	Renesas Electronics	TIMER, PROGRAMMABLE	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V		16			IN-LINE			4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	6.35 mm		15.24 mm		8	12 MHz			31 mm	3	CMOS			5 V		2.54 mm	R-PDIP-T24		Not Qualified		e3
M48T58-70PC1	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	8				IN-LINE	DIP28,.6	N	4.75 V	70 Cel	0 Cel	MATTE TIN	DUAL	9.65 mm	8184	15.24 mm		8	.032 MHz			39.625 mm	0	CMOS	50 mA	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T28		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
DS17485-5+	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	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	MATTE TIN	DUAL	5.08 mm		15.24 mm		8	.032 MHz	30	260	31.75 mm	1	CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T24	1	Not Qualified	NO	e3
DS17485-5	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	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	TIN LEAD	DUAL	5.08 mm		15.24 mm		8	.032 MHz			31.75 mm	1	CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T24	1	Not Qualified	YES	e0
BQ4287MT-SB2	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, MUXED BUS	5.5 V				5	MICROELECTRONIC ASSEMBLY	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-XDMA-T24		Not Qualified	NO
M48T18-150PC1	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	8				IN-LINE	DIP28,.6	N	4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	9.65 mm	8184	15.24 mm		8	.032 MHz			39.625 mm	0	CMOS	80 mA	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T28		Not Qualified	NO	e3
DS17287-5	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	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	TIN LEAD	DUAL	9.398 mm		15.24 mm		8	.032 MHz			33.782 mm	1	CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T24		Not Qualified	NO	e0
DS17287-5+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	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	Matte Tin (Sn) - annealed	DUAL	9.398 mm		15.24 mm		8	.032 MHz			33.782 mm	1	CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T24		Not Qualified	YES	e3
UPD71054C-10	Renesas Electronics	TIMER, PROGRAMMABLE	INDUSTRIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V		16			IN-LINE			4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	5.72 mm		15.24 mm		8	10 MHz				3	CMOS			5 V		2.54 mm	R-PDIP-T24				e0
DS17487-5	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	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	TIN LEAD	DUAL	9.398 mm		15.24 mm		8	.032 MHz			33.782 mm	1	CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T24		Not Qualified	NO	e0
DS17487-5+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	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	Matte Tin (Sn) - annealed	DUAL	9.398 mm		15.24 mm		8	.032 MHz			33.782 mm	1	CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T24	1	Not Qualified	NO	e3
M48T35AV-10PC1	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	3.6 V				3.3	IN-LINE	DIP28,.6	N	3 V	70 Cel	0 Cel	MATTE TIN	DUAL	9.65 mm		15.24 mm		8	.032 MHz			39.625 mm	0	CMOS		SECONDS	3.3 V	Timer or RTC	2.54 mm	R-PDIP-T28		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
DS1687-3	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, MUXED BUS	3.7 V				3	IN-LINE	DIP24,.6	Y	2.7 V	70 Cel	0 Cel	TIN LEAD	DUAL	9.398 mm		15.24 mm		8	.032 MHz			33.782 mm	1	CMOS		SECONDS	3 V	Timer or RTC	2.54 mm	R-PDIP-T24		Not Qualified	NO	e0
DS1687-3+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, MUXED BUS	3.7 V				3	IN-LINE	DIP24,.6	Y	2.7 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	9.398 mm		15.24 mm		8	.032 MHz			33.782 mm	1	CMOS		SECONDS	3 V	Timer or RTC	2.54 mm	R-PDIP-T24		Not Qualified	YES	e3
PCF8583PN	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	6 V	8				IN-LINE			2.5 V	85 Cel	-40 Cel		DUAL	4.2 mm	256	7.62 mm			.1 MHz	40	250	9.5 mm	0	CMOS	.2 mA		5 V		2.54 mm	R-PDIP-T8		Not Qualified
CDP68HC68T1EZ	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	SERIAL, 3-WIRE/SPI	6 V	8				IN-LINE	DIP16,.3	Y	3 V	85 Cel	-40 Cel	MATTE TIN	DUAL	5.33 mm	32	7.62 mm		0	4 MHz			19.17 mm	0	CMOS		SECONDS	3.3 V		2.54 mm	R-PDIP-T16			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
MC14541BCPG	Onsemi	TIMER, PROGRAMMABLE	MILITARY	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		18 V					IN-LINE			3 V	125 Cel	-55 Cel	Tin (Sn)	DUAL	4.69 mm		7.62 mm		0	3 MHz	40	260	18.86 mm	1	CMOS			5 V		2.54 mm	R-PDIP-T14		Not Qualified		e3
DS1315-5	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	SERIAL, FIXED PROTOCOL	5.5 V				5	IN-LINE	DIP16,.3	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	4.572 mm		7.62 mm		0	.032 MHz			19.175 mm	0	CMOS		1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-PDIP-T16	1	Not Qualified	YES	e0
DS1315-5+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	SERIAL, FIXED PROTOCOL	5.5 V				5	IN-LINE	DIP16,.3	N	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	4.572 mm		7.62 mm		0	.032 MHz	30	260	19.175 mm	0	CMOS		1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-PDIP-T16	1	Not Qualified	YES	e3
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
IP82C54Z	Renesas Electronics	TIMER, PROGRAMMABLE	INDUSTRIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V		16			IN-LINE			4.5 V	85 Cel	-40 Cel	MATTE TIN	DUAL	6.35 mm		15.24 mm		8	8 MHz			31 mm	3	CMOS			5 V		2.54 mm	R-PDIP-T24		Not Qualified		e3
M48T86PC1	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, MUXED BUS	5.5 V	8		.008192 MHz	5	IN-LINE	DIP24,.6	Y	4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	9.65 mm	114	15.24 mm		8	.032 MHz			34.545 mm	1	MOS	15 mA	SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T24		Not Qualified	NO	e3
PCF8583P/F5,112	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	6 V	8			3/5	IN-LINE	DIP8,.3	Y	2.5 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	4.2 mm	256	7.62 mm			.1 MHz	40	250	9.5 mm	0	CMOS	.2 mA	1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-PDIP-T8		Not Qualified	YES	e4
DS1744W-120IND	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	3.63 V				3.3	MICROELECTRONIC ASSEMBLY	DIP32,.6	N	2.97 V	85 Cel	-40 Cel	TIN LEAD	DUAL	10.42 mm		15.24 mm		8	.032 MHz			38.865 mm	0	CMOS		SECONDS	3.3 V	Timer or RTC	2.54 mm	R-XDMA-T28		Not Qualified	NO	e0
DS1744W-120IND+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	3.63 V				3.3	IN-LINE	DIP32,.6	N	2.97 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	10.668 mm		15.24 mm		8	.032 MHz			38.227 mm	0	CMOS		SECONDS	3.3 V	Timer or RTC	2.54 mm	R-PDIP-T28		Not Qualified	NO	e3
PCF8583P	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	6 V	8			3/5	IN-LINE	DIP8,.3	Y	2.5 V	85 Cel	-40 Cel		DUAL	4.2 mm	248	7.62 mm	TIMEKEEPING CURRENT = 10UA; AUTO WORD INCREMENTING	0	1 MHz	40	250	9.5 mm	0	CMOS	.2 mA	1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-PDIP-T8		Not Qualified	YES
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-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
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
DS1685-5	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, MUXED BUS	5.5 V				5	IN-LINE	DIP24,.6		4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	5.08 mm		15.24 mm		8	.032 MHz			31.75 mm	1	CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T24	1	Not Qualified	YES	e0
DS1685-5+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	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	Matte Tin (Sn) - annealed	DUAL	5.08 mm		15.24 mm		8	.032 MHz	30	260	31.75 mm	1	CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T24	1	Not Qualified	YES	e3
M48T35-70PC1	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	8			5	IN-LINE	DIP28,.6	N	4.75 V	70 Cel	0 Cel	MATTE TIN	DUAL	9.65 mm	32760	15.24 mm		8	.032 MHz			39.625 mm	0	CMOS	50 mA	SECONDS	5 V	Timers or RTCs	2.54 mm	R-PDIP-T28		Not Qualified	NO	e3
MM58167BN	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V					IN-LINE			4.5 V	70 Cel	0 Cel		DUAL	5.334 mm		15.24 mm		8	.032 MHz			31.915 mm		CMOS			5 V		2.54 mm	R-PDIP-T24
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

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.