Timers & Real-Time Clocks

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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	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	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
M41ST84WMQ6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.6 V		3/3.3	SMALL OUTLINE	SOP16,.25	Y	2.7 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1.75 mm	3.9 mm			.032 MHz	30	260	9.9 mm	1	CMOS	1/100 SECOND	3 V	Timer or RTC	1.27 mm	R-PDSO-G16	3	Not Qualified	YES	e4
M41ST84YMQ6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		5	SMALL OUTLINE	SOP16,.25	Y	4.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.75 mm	3.9 mm			.032 MHz			9.9 mm	1	CMOS	1/100 SECOND	5 V	Timer or RTC	1.27 mm	R-PDSO-G16	3	Not Qualified	YES	e4
M41ST85WMH6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.6 V		3/3.3	SMALL OUTLINE	SOP28,.5	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	3.05 mm	8.56 mm			.032 MHz			18.1 mm	1	CMOS	1/100 SECOND	3 V	Timer or RTC	1.27 mm	R-PDSO-G28	1	Not Qualified	NO	e3
M41ST85YMH6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		5	SMALL OUTLINE	SOP28,.5	Y	4.5 V	85 Cel	-40 Cel		DUAL	3.05 mm	8.56 mm				10	260	18.1 mm	1	CMOS	1/100 SECOND	5 V	Timer or RTC	1.27 mm	R-PDSO-G28		Not Qualified	NO
M41ST87WMX6	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.6 V	8	3/3.3	SMALL OUTLINE	SOP28,.4	Y	2.7 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2.69 mm	7.62 mm			.032 MHz	30	250	17.96 mm	1	CMOS	1/100 SECOND	3 V	Timers or RTCs	1.27 mm	R-PDSO-G28	3	Not Qualified	NO	e4
M41ST87YMX6TR	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		5	SMALL OUTLINE	SOP28,.4	Y	4.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2.69 mm	7.62 mm			.032 MHz	30	250	17.96 mm	1	CMOS	1/100 SECOND	5 V	Timers or RTCs	1.27 mm	R-PDSO-G28	3	Not Qualified	NO	e4
M41T00M6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		2/5.5	SMALL OUTLINE	SOP8,.25	N	2 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.75 mm	3.9 mm			.032 MHz	40	260	4.9 mm		CMOS	SECONDS		Timer or RTC	1.27 mm	R-PDSO-G8	1	Not Qualified	YES	e4
M41T11M6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		2.5/5	SMALL OUTLINE	SOP8,.25	N	2 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.75 mm	3.9 mm			.032 MHz	40	260	4.9 mm		CMOS	SECONDS		Timer or RTC	1.27 mm	R-PDSO-G8	1	Not Qualified	YES	e4
M41T11MH6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		2.5/5	SMALL OUTLINE	SOP28,.5	N	3.3 V	85 Cel	-40 Cel	Tin (Sn)	DUAL	3.05 mm	8.56 mm			.032 MHz	30	260	18.1 mm		CMOS	SECONDS		Timer or RTC	1.27 mm	R-PDSO-G28	3	Not Qualified	NO	e3
M41T256YMH7E	STMicroelectronics	TIMER, REAL TIME CLOCK	OTHER	GULL WING	44	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		5	SMALL OUTLINE, SHRINK PITCH	SOP44,.5,32	N	4.5 V	70 Cel	-25 Cel		DUAL	3.05 mm	8.56 mm		0	.032 MHz	10	260	18.1 mm	0	CMOS	1/100 SECOND	5 V	Timer or RTC	.81 mm	R-PDSO-G44		Not Qualified	NO
M41T256YMH7F	STMicroelectronics	TIMER, REAL TIME CLOCK	OTHER	GULL WING	44	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		5	SMALL OUTLINE, SHRINK PITCH	SOP44,.5,32	N	4.5 V	70 Cel	-25 Cel		DUAL	3.05 mm	8.56 mm		0	.032 MHz	10	260	18.1 mm	0	CMOS	1/100 SECOND	5 V	Timer or RTC	.81 mm	R-PDSO-G44		Not Qualified	NO
M41T256YMT7E	STMicroelectronics	TIMER, REAL TIME CLOCK	OTHER	GULL WING	44	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		5	SMALL OUTLINE, SHRINK PITCH	SOP44,.5,32	N	4.5 V	70 Cel	-25 Cel	TIN/NICKEL PALLADIUM GOLD	DUAL	3.05 mm	8.56 mm			.032 MHz	NOT SPECIFIED	NOT SPECIFIED	18.1 mm		CMOS	1/100 SECOND	5 V	Timer or RTC	.81 mm	R-PDSO-G44		Not Qualified	NO	e3/e4
M41T256YMT7F	STMicroelectronics	TIMER, REAL TIME CLOCK	OTHER	GULL WING	44	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		5	SMALL OUTLINE, SHRINK PITCH	SOP44,.5,32	N	4.5 V	70 Cel	-25 Cel	TIN/NICKEL PALLADIUM GOLD	DUAL	3.05 mm	8.56 mm			.032 MHz	NOT SPECIFIED	NOT SPECIFIED	18.1 mm		CMOS	1/100 SECOND	5 V	Timer or RTC	.81 mm	R-PDSO-G44		Not Qualified	NO	e3/e4
M41T315V-85MH6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 2-WIRE/I2C	3.6 V		3.3	SMALL OUTLINE	SOP28,.5	N	3 V	85 Cel	-40 Cel		DUAL	3.05 mm	8.56 mm			.032 MHz	10	260	18.1 mm		CMOS	1/100 SECOND	3.3 V	Timer or RTC	1.27 mm	R-PDSO-G28		Not Qualified	NO
M41T56M6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		5	SMALL OUTLINE	SOP8,.25	N	4.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.75 mm	3.9 mm		0	.032 MHz	40	260	4.9 mm	0	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G8	1	Not Qualified	YES	e4
M41T56MH6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		5	SMALL OUTLINE	SOP28,.5	N	4.5 V	85 Cel	-40 Cel		DUAL	3.05 mm	8.56 mm			.032 MHz	10	260	18.1 mm		CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G28		Not Qualified	NO
M41T56MH6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		5	SMALL OUTLINE	SOP28,.5	N	4.5 V	85 Cel	-40 Cel		DUAL	3.05 mm	8.56 mm			.032 MHz	10	260	18.1 mm		CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G28		Not Qualified	NO
M41T60Q6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	I2C	4.4 V		1.5/3.3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	N	1.3 V	85 Cel	-40 Cel	MATTE TIN	QUAD	1 mm	3 mm			.032 MHz		260	3 mm	1	CMOS	SECONDS	2 V	Timer or RTC	.5 mm	S-XQCC-N16	1	Not Qualified	YES	e3
M41T62Q6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	I2C	4.4 V		1.5/3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	Y	1.3 V	85 Cel	-40 Cel	Matte Tin (Sn)	QUAD	1 mm	3 mm			.032 MHz	30	260	3 mm	1	CMOS	1/100 SECOND	2 V	Timer or RTC	.5 mm	S-XQCC-N16	1	Not Qualified	YES	e3
M41T64Q6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	I2C	4.4 V		1.5/3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	Y	1.3 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	QUAD	1 mm	3 mm			.032 MHz	30	260	3 mm	1	CMOS	1/100 SECOND	2 V	Timer or RTC	.5 mm	S-XQCC-N16	1	Not Qualified	YES	e3
M41T65Q6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	I2C	4.4 V		1.5/3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	Y	1.3 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	QUAD	1 mm	3 mm			.032 MHz	30	260	3 mm	1	CMOS	1/100 SECOND	2 V	Timer or RTC	.5 mm	S-XQCC-N16	1	Not Qualified	YES	e3
M41T80M6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		2.5/5	SMALL OUTLINE	SOP8,.25	Y	2 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.75 mm	3.9 mm			.032 MHz	40	260	4.9 mm	1	CMOS	1/100 SECOND	3 V	Timer or RTC	1.27 mm	R-PDSO-G8	1	Not Qualified	YES	e4
M41T94MH6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V		3/5	SMALL OUTLINE	SOP28,.5	Y	2.7 V	85 Cel	-40 Cel	TIN	DUAL	3.05 mm	8.56 mm	WATCHDOG TIMER		.032 MHz			18.1 mm	1	CMOS	1/100 SECOND	3 V	Timer or RTC	1.27 mm	R-PDSO-G28	3	Not Qualified	NO	e3
M41T94MQ6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V		3/5	SMALL OUTLINE	SOP16,.25	Y	2.7 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	1.75 mm	3.9 mm	WATCHDOG TIMER		.032 MHz	30	260	9.9 mm	1	CMOS	1/100 SECOND	3 V	Timer or RTC	1.27 mm	R-PDSO-G16	3	Not Qualified	YES	e4
M48T35Y-70MH1E	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V		5	SMALL OUTLINE	SOP28,.5	N	4.5 V	70 Cel	0 Cel	TIN	DUAL	3.05 mm	8.56 mm		8	.032 MHz			18.1 mm	0	CMOS	SECONDS	5 V	Timers or RTCs	1.27 mm	R-PDSO-G28	3	Not Qualified	NO	e3
M48T35Y-70MH6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V		5	SMALL OUTLINE	SOP28,.5	N	4.5 V	85 Cel	-40 Cel		DUAL	3.05 mm	8.56 mm		8	.032 MHz	10	260	18.1 mm	0	CMOS	SECONDS	5 V	Timers or RTCs	1.27 mm	R-PDSO-G28		Not Qualified	NO
M48T35Y-70MH6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V		5	SMALL OUTLINE	SOP28,.5	N	4.5 V	85 Cel	-40 Cel		DUAL	3.05 mm	8.56 mm		8	.032 MHz	10	260	18.1 mm	0	CMOS	SECONDS	5 V	Timers or RTCs	1.27 mm	R-PDSO-G28		Not Qualified	NO
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
DS12CR887-5	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, MUXED BUS	5.5 V		5	IN-LINE	DIP24,.6	Y	4.5 V	85 Cel	-40 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
DS12R887-33	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	BALL	48	BGA	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, MUXED BUS	3.63 V		3.3	GRID ARRAY	BGA48,8X11,50	Y	2.97 V	85 Cel	-40 Cel	TIN LEAD	BOTTOM	3.68 mm	11.8 mm		8	.032 MHz			15.3 mm	1	CMOS	SECONDS	3.3 V	Timer or RTC	1.27 mm	R-PBGA-B48	3	Not Qualified	NO	e0
DS1743-100IND	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	28	QIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V		5	MICROELECTRONIC ASSEMBLY	DIP28,.6	N	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	10.67 mm	15.24 mm		8	.032 MHz			38.225 mm	0	CMOS	SECONDS	5 V	Timer or RTC	2.54 mm	R-XDMA-P28		Not Qualified	NO	e0
DS1743W-120IND	Maxim Integrated	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	TIN LEAD	DUAL	10.67 mm	15.24 mm		8	.032 MHz			38.225 mm	0	CMOS	SECONDS	3.3 V	Timer or RTC	2.54 mm	R-XDMA-P28		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
DS1746P-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					CMOS	SECONDS	5 V	Timer or RTC		R-XDMA-U34	1	Not Qualified	NO	e0
DS1746W-120IND	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	PIN/PEG	32	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	3.63 V		3.3	IN-LINE	DIP32,.6	N	2.97 V	85 Cel	-40 Cel	TIN LEAD	DUAL	9.27 mm	15.24 mm		8	.032 MHz			38.675 mm		CMOS	SECONDS	3.3 V	Timer or RTC	2.54 mm	R-XDIP-P32	1	Not Qualified	NO	e0
DS1746WP-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	TIN LEAD	DUAL				8	.032 MHz					CMOS	SECONDS	3.3 V	Timer or RTC		R-XDMA-U34	1	Not Qualified	NO	e0
DS1338C-18	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	1.89 V			SMALL OUTLINE			1.71 V	85 Cel	-40 Cel	TIN LEAD	DUAL	2.65 mm	7.5 mm			.032 MHz			10.3 mm	1	CMOS		1.8 V		1.27 mm	R-PDSO-G16	1	Not Qualified		e0
DS1338C-3	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.3 V			SMALL OUTLINE			2.7 V	85 Cel	-40 Cel	TIN LEAD	DUAL	2.65 mm	7.5 mm			.032 MHz			10.3 mm	1	CMOS		3 V		1.27 mm	R-PDSO-G16	1	Not Qualified		e0
M41T00SM6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		3/5	SMALL OUTLINE	SOP8,.25	N	2.7 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.75 mm	3.9 mm		0	.032 MHz			4.9 mm	0	CMOS	SECONDS		Timer or RTC	1.27 mm	R-PDSO-G8	1	Not Qualified	YES	e4
M41T81SM6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		3/5	SMALL OUTLINE	SOP8,.25	Y	2.7 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.75 mm	3.9 mm			.032 MHz	40	260	4.9 mm	1	CMOS	1/100 SECOND	5 V	Timer or RTC	1.27 mm	R-PDSO-G8	1	Not Qualified	YES	e4
DS1337C	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			SMALL OUTLINE			1.8 V	85 Cel	-40 Cel	TIN LEAD	DUAL	2.65 mm	7.5 mm			.032 MHz			10.3 mm	1	CMOS		3.3 V		1.27 mm	R-PDSO-G16	1	Not Qualified		e0
DS1339C-33	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			SMALL OUTLINE			2.97 V	85 Cel	-40 Cel	TIN LEAD	DUAL	2.65 mm	7.5 mm			.032 MHz			10.3 mm	1	CMOS		3.3 V		1.27 mm	R-PDSO-G16	1	Not Qualified		e0
M41T0M6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		2.5/5	SMALL OUTLINE	SOP8,.25	N	2 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.75 mm	3.9 mm			.032 MHz	40	260	4.9 mm		CMOS	SECONDS	3 V	Timer or RTC	1.27 mm	R-PDSO-G8	1	Not Qualified	YES	e4
M41T50Q6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	I2C	3.6 V		1.5/3.3	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	Y	1.7 V	85 Cel	-40 Cel		QUAD	1 mm	3 mm				10	260	3 mm	1	CMOS	SECONDS		Timer or RTC	.5 mm	S-XQCC-N16		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
DS1340C-33	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			SMALL OUTLINE			2.97 V	85 Cel	-40 Cel	TIN LEAD	DUAL	2.65 mm	7.5 mm			.032 MHz			10.3 mm		CMOS		3.3 V		1.27 mm	R-PDSO-G16	1	Not Qualified		e0
DS1340C-3	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.3 V			SMALL OUTLINE			2.7 V	85 Cel	-40 Cel	TIN LEAD	DUAL	2.65 mm	7.5 mm			.032 MHz			10.3 mm		CMOS		3 V		1.27 mm	R-PDSO-G16	1	Not Qualified		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

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.