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	Screening Level	No. of Bits	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	Bus Compatibility	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	Volatile	JESD-609 Code
DS1307	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	5.5 V				5	IN-LINE	DIP8,.3	N	4.5 V	70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL	4.572 mm		7.62 mm			.032 MHz	20	240	9.375 mm	1	CMOS		SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T8	1	Not Qualified	YES	e0
DS1307+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	5.5 V				5	IN-LINE	DIP8,.3	N	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	4.572 mm		7.62 mm			.032 MHz	30	260	9.375 mm	1	CMOS		SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T8	1	Not Qualified	YES	e3
DS1307N	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	5.5 V				5	IN-LINE	DIP8,.3	N	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	4.572 mm		7.62 mm			.032 MHz	20	240	9.375 mm	1	CMOS		SECONDS	5 V	Timers or RTCs		2.54 mm	R-PDIP-T8	1	Not Qualified	YES	e0
DS1307N+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	5.5 V				5	IN-LINE	DIP8,.3	N	4.5 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	4.572 mm		7.62 mm			.032 MHz	30	260	9.375 mm	1	CMOS		SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T8	1	Not Qualified	YES	e3
DS12887A	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	DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING; 10 YEARS DATA RETENTION; RAM CLEAR I/P	8	.032 MHz			33.782 mm	1	CMOS		SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T24	1	Not Qualified	NO	e0
DS12887A+	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
DS1337	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	5.5 V				1.5/5	IN-LINE	DIP8,.3	Y	1.8 V	85 Cel	-40 Cel	TIN LEAD	DUAL	4.572 mm		7.62 mm			.032 MHz			9.375 mm	1	CMOS		SECONDS	3.3 V	Timer or RTC		2.54 mm	R-PDIP-T8	1	Not Qualified	YES	e0
DS1337+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	5.5 V				1.5/5	IN-LINE	DIP8,.3	Y	1.8 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	4.572 mm		7.62 mm			.032 MHz	30	260	9.375 mm	1	CMOS		SECONDS	3.3 V	Timer or RTC		2.54 mm	R-PDIP-T8	1	Not Qualified	YES	e3
DS1302N	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	SERIAL, 3-WIRE	5.5 V				3/5	IN-LINE	DIP8,.3	N	2 V	85 Cel	-40 Cel	TIN LEAD	DUAL	4.572 mm		7.62 mm	BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA		.032 MHz			9.375 mm	0	CMOS		SECONDS	3.3 V	Timers or RTCs		2.54 mm	R-PDIP-T8	1	Not Qualified	YES	e0
DS1302N+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	SERIAL, 3-WIRE	5.5 V				3/5	IN-LINE	DIP8,.3	N	2 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	4.572 mm		7.62 mm	BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA		.032 MHz	30	260	9.375 mm	0	CMOS		SECONDS	3.3 V	Timer or RTC		2.54 mm	R-PDIP-T8	1	Not Qualified	YES	e3
MCP7940N-I/P	Microchip Technology	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	5.5 V	8	AEC-Q100		2/5	IN-LINE	DIP8,.3	Y	1.8 V	85 Cel	-40 Cel	MATTE TIN	DUAL	5.334 mm	64	7.62 mm		0	.032 MHz			9.271 mm	1	CMOS	.4 mA	SECONDS	2.5 V	Timer or RTC		2.54 mm	R-PDIP-T8		Not Qualified	YES	e3
DS1302	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	SERIAL, 3-WIRE	5.5 V				3/5	IN-LINE	DIP8,.3	N	2 V	70 Cel	0 Cel	TIN LEAD	DUAL	4.572 mm		7.62 mm	BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA		.032 MHz			9.375 mm	0	CMOS		SECONDS	3.3 V	Timers or RTCs		2.54 mm	R-PDIP-T8	1	Not Qualified	YES	e0
DS1302+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	SERIAL, 3-WIRE	5.5 V				3/5	IN-LINE	DIP8,.3	N	2 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	4.572 mm		7.62 mm	BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA		.032 MHz	30	260	9.375 mm	0	CMOS		SECONDS	3.3 V	Timer or RTC		2.54 mm	R-PDIP-T8	1	Not Qualified	YES	e3
DS12887	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	DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING; 10 YEARS DATA RETENTION	8	.032 MHz			33.782 mm	1	CMOS		SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T24		Not Qualified	NO	e0
DS12887+	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	DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING; 10 YEARS DATA RETENTION	8	.032 MHz			33.782 mm	1	CMOS		SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T24		Not Qualified	NO	e3
DS1511W	Maxim Integrated	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	Y	3 V	70 Cel	0 Cel	TIN LEAD	DUAL	9.398 mm		15.24 mm		8	.032 MHz			38.862 mm	1	CMOS		SECONDS	3.3 V	Timer or RTC		2.54 mm	R-PDIP-T28		Not Qualified	NO	e0
DS1511W+	Analog Devices	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	Y	3 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	9.398 mm		15.24 mm		8	.032 MHz			38.862 mm	1	CMOS		SECONDS	3.3 V	Timers or RTCs		2.54 mm	R-PDIP-T28		Not Qualified	YES	e3
M48T08-100PC1	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	10 YEARS DATA RETENTION; ACCURACY 1 MIN/MONTH @ 25 DEGREE C; WRITE PROTECT VOLTAGE = 4.5V	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
DS1306N	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	SERIAL, 3-WIRE	5.5 V				3/5	IN-LINE	DIP16,.3	Y	2 V	85 Cel	-40 Cel	TIN LEAD	DUAL	4.572 mm		7.62 mm		0	.032 MHz			19.175 mm	0	CMOS		SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T16	1	Not Qualified	YES	e0
DS1306N+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	SERIAL, 3-WIRE	5.5 V				3/5	IN-LINE	DIP16,.3	Y	2 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	4.572 mm		7.62 mm		0	.032 MHz	30	260	19.175 mm	0	CMOS		SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T16	1	Not Qualified	YES	e3
M48T08-150PC1	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	4.75 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
MCP7940M-I/P	Microchip Technology	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	5.5 V	8	TS 16949		2/5	IN-LINE	DIP8,.3	Y	1.8 V	85 Cel	-40 Cel	MATTE TIN	DUAL	5.334 mm	64	7.62 mm		0	.032 MHz			9.271 mm	1	CMOS	.4 mA	SECONDS	2.5 V	Timer or RTC		2.54 mm	R-PDIP-T8		Not Qualified	YES	e3
PCF8563P/F4,112	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	5.5 V				2/5	IN-LINE	DIP8,.3	Y	1.8 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	4.2 mm		7.62 mm			.032 MHz			9.5 mm	0	CMOS		SECONDS	2 V	Timer or RTC		2.54 mm	R-PDIP-T8		Not Qualified	YES	e4
DS12C887	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
DS12C887+	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
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
IP82C54-10Z	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	10 MHz			31 mm	3	CMOS			5 V			2.54 mm	R-PDIP-T24		Not Qualified		e3
M48T02-70PC1	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	4.75 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
M48T58Y-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	4.5 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
CP82C54-10Z	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	10 MHz			31 mm	3	CMOS			5 V			2.54 mm	R-PDIP-T24		Not Qualified		e3
M48T02-150PC1	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	4.75 V	70 Cel	0 Cel	MATTE TIN	DUAL	9.65 mm	2040	15.24 mm	10 YEARS DATA RETENTION; ACCURACY 1 MIN/MONTH @ 25 DEGREE C; WRITE PROTECT VOLTAGE = 4.5V	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
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
DS1746-70IND+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	32	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V				5	IN-LINE	DIP32,.6	N	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	Timers or RTCs		2.54 mm	R-PDIP-T32		Not Qualified	NO	e3
CP82C54Z	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	8 MHz			31 mm	3	CMOS			5 V			2.54 mm	R-PDIP-T24		Not Qualified		e3
RTC72421A	Fox Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL	5.5 V				5	IN-LINE	DIP18,.3	N	4.5 V	70 Cel	-10 Cel	TIN LEAD	DUAL			7.62 mm						23.1 mm		CMOS		SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T18		Not Qualified	YES	e0
RTC-72421A	Seiko Epson	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS/MUXED BUS	5.5 V				5	IN-LINE	DIP18,.3	N	4.5 V	70 Cel	-10 Cel		DUAL	4.2 mm		7.62 mm		4	.032 MHz	NOT SPECIFIED	NOT SPECIFIED		0	CMOS	.01 mA	SECONDS	5 V	Timer or RTC	8048; 8051; 8085	2.54 mm	R-PDIP-T18		Not Qualified	YES
M48T12-150PC1	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	10 YEARS DATA RETENTION; ACCURACY 1 MIN/MONTH @ 25 DEGREE C; WRITE PROTECT VOLTAGE = 4.2V	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
M48T35Y-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	Timer or RTC		2.54 mm	R-PDIP-T28		Not Qualified	NO	e3
Z84C3006PEG	IXYS Corporation	TIMER, PROGRAMMABLE		THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		5.5 V			8		IN-LINE			4.5 V	100 Cel	-40 Cel	MATTE TIN	DUAL	4.96 mm		15.24 mm		8	6.17 MHz			36.96 mm	1	CMOS			5 V			2.54 mm	R-PDIP-T28		Not Qualified		e3
DS12CR887-33	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, MUXED BUS	3.63 V				3.3	IN-LINE	DIP24,.6	Y	2.97 V	85 Cel	-40 Cel	TIN LEAD	DUAL	9.398 mm		15.24 mm		8	.032 MHz			33.782 mm	1	CMOS		SECONDS	3.3 V	Timer or RTC		2.54 mm	R-PDIP-T24	1	Not Qualified	NO	e0
DS12CR887-33+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, MUXED BUS	3.63 V				3.3	IN-LINE	DIP24,.6	Y	2.97 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	9.398 mm		15.24 mm		8	.032 MHz			33.782 mm	1	CMOS		SECONDS	3.3 V	Timer or RTC		2.54 mm	R-PDIP-T24		Not Qualified	NO	e3
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
DS1305	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	SERIAL, 3-WIRE	5.5 V				3/5	IN-LINE	DIP16,.3	Y	2 V	70 Cel	0 Cel	TIN LEAD	DUAL	4.572 mm		7.62 mm		0	.032 MHz			19.175 mm	0	CMOS		SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T16	1	Not Qualified	YES	e0
DS1305+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	SERIAL, 3-WIRE	5.5 V				3/5	IN-LINE	DIP16,.3	Y	2 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		SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T16	1	Not Qualified	YES	e3
UPD71054C	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	8 MHz				3	CMOS			5 V			2.54 mm	R-PDIP-T24				e0
DS12C887A	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	1	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.