TIMER, REAL TIME CLOCK Timers & Real-Time Clocks 260

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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	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	Volatile	JESD-609 Code
M41T83ZQA6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	SERIAL(I2C)	5.5 V	8		8	3/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.16SQ,25	Y	2.38 V	85 Cel	-40 Cel	MATTE TIN	QUAD	1 mm	7	4 mm			.4 MHz	40	260	4 mm	1	CMOS	.15 mA	1/100 SECOND	3 V	Timers or RTCs	.65 mm	S-XQCC-N16	3	Not Qualified	NO	e3
BQ3285S-SB2TRG4	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, MUXED BUS	5.5 V				5	SMALL OUTLINE	SOP24,.4	Y	4.5 V	70 Cel	0 Cel		DUAL	2.65 mm		7.5 mm		8	.032 MHz	NOT SPECIFIED	NOT SPECIFIED	15.4 mm	1	CMOS		SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G24		Not Qualified	NO
M41T93RMY6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	18	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 4 WIRE/SPI	5.5 V			8	3/5	SMALL OUTLINE	SOP18,.4	Y	2.7 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	2.69 mm		7.62 mm			5 MHz	30	240	11.61 mm	1	CMOS		1/100 SECOND	3 V	Timers or RTCs	1.27 mm	R-PDSO-G18	1	Not Qualified	NO	e3
M41T93SMY6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	18	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 4 WIRE/SPI	5.5 V			8	3.3/5	SMALL OUTLINE	SOP18,.4	Y	3 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	2.69 mm		7.62 mm			5 MHz	30	240	11.61 mm	1	CMOS		1/100 SECOND		Timers or RTCs	1.27 mm	R-PDSO-G18	1	Not Qualified	NO	e3
M41T93SQA6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	SERIAL, 4 WIRE/SPI	5.5 V			8	3.3/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	Y	3 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	1 mm		4 mm			5 MHz	30	260	4 mm	1	CMOS		1/100 SECOND		Timers or RTCs	.65 mm	S-PQCC-N16	1	Not Qualified	NO	e4
M41T93ZMY6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	18	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 4 WIRE/SPI	5.5 V			8	2.4/5.5	SMALL OUTLINE	SOP18,.4	Y	2.38 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	2.69 mm		7.62 mm			10 MHz	30	240	11.61 mm	1	CMOS		1/100 SECOND	3 V	Timers or RTCs	1.27 mm	R-PDSO-G18	1	Not Qualified	NO	e3
BQ4285S-SB2G4	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, MUXED BUS	5.5 V				5	SMALL OUTLINE	SOP24,.4	Y	4.5 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	2.65 mm		7.5 mm		8	.032 MHz	30	260	15.4 mm	1	CMOS		SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G24	1	Not Qualified	NO	e4
M41T81SMY6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	18	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V				3/5	SMALL OUTLINE	SOP18,.4	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	2.69 mm		7.62 mm			.032 MHz	30	240	11.61 mm	1	CMOS		1/100 SECOND	5 V	Timers or RTCs	1.27 mm	R-PDSO-G18	1	Not Qualified	YES	e3
M48T201V-85MH1E	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	44	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	3.6 V				3.3	SMALL OUTLINE, SHRINK PITCH	SOP44,.5,32	Y	3 V	70 Cel	0 Cel	TIN/NICKEL PALLADIUM GOLD	DUAL	3.05 mm		8.56 mm	WATCHDOG TIMER	8	.032 MHz	NOT SPECIFIED	NOT SPECIFIED	18.1 mm	1	CMOS		SECONDS	3.3 V	Timer or RTC	.81 mm	R-PDSO-G44		Not Qualified	NO	e3/e4
M48T201Y-70MH1E	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	44	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V				5	SMALL OUTLINE, SHRINK PITCH	SOP44,.5,32	Y	4.5 V	70 Cel	0 Cel	TIN/NICKEL PALLADIUM GOLD	DUAL	3.05 mm		8.56 mm	WATCHDOG TIMER	8	.032 MHz	NOT SPECIFIED	NOT SPECIFIED	18.1 mm	1	CMOS		SECONDS	5 V	Timer or RTC	.81 mm	R-PDSO-G44		Not Qualified	NO	e3/e4
M41T00SC64MY6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	18	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 2-WIRE/I2C	5.5 V				3/5	SMALL OUTLINE	SOP18,.4	N	2.7 V	85 Cel	-40 Cel		DUAL	2.69 mm		7.62 mm		0	.032 MHz	NOT SPECIFIED	NOT SPECIFIED	11.6 mm		CMOS		SECONDS	3 V	Timer or RTC	1.27 mm	R-PDSO-G18		Not Qualified
M41T00SC64MY6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	18	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 2-WIRE/I2C	5.5 V				3/5	SMALL OUTLINE	SOP18,.4	N	2.7 V	85 Cel	-40 Cel		DUAL	2.69 mm		7.62 mm		0	.032 MHz	NOT SPECIFIED	NOT SPECIFIED	11.6 mm		CMOS		SECONDS	3 V	Timer or RTC	1.27 mm	R-PDSO-G18		Not Qualified
PCF8583BS,518	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	20	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	I2C	6 V				3/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC20,.20SQ,25	Y	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	1 mm		5 mm	TIMEKEEPING CURRENT = 10UA; AUTO WORD INCREMENTING	1	.1 MHz			5 mm	0	CMOS		1/100 SECOND	5 V	Timer or RTC	.65 mm	S-PQCC-N20	3	Not Qualified	YES	e4
PCF85363ATT1/AJ	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	10	TSSOP	SQUARE	PLASTIC/EPOXY	YES	I2C	5.5 V					SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			.9 V	85 Cel	-40 Cel		DUAL	1.1 mm		3 mm					260	3 mm	1	CMOS			3.3 V		.5 mm	S-PDSO-G10	1
M41T66Q6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	I2C	4.4 V				2/4	CHIP CARRIER	LCC16,.12SQ,20	Y	1.5 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	QUAD	1 mm		3 mm				30	260	3 mm	1	CMOS		SECONDS	1.6 V	Timer or RTC	.5 mm	S-XQCC-N16	1	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
PCF8563T/F4,112	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V				2/5	SMALL OUTLINE	SSOP8,.25	Y	1.8 V	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL						.032 MHz	30	260		0	CMOS		SECONDS	2 V	Timer or RTC	.635 mm	R-PDSO-G8	1	Not Qualified	YES	e4
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
PCF8583T/5,512	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	6 V	8			3/5	SMALL OUTLINE	SOP8,.4	Y	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2.65 mm	256	7.5 mm			.032 MHz		260	7.55 mm	0	CMOS	.2 mA	1/100 SECOND	5 V	Timer or RTC	1.27 mm	R-PDSO-G8	2	Not Qualified	YES	e4
PCF8583T/5,518	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	6 V	8			3/5	SMALL OUTLINE	SOP8,.4	Y	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2.65 mm	256	7.5 mm			.032 MHz		260	7.55 mm	0	CMOS	.2 mA	1/100 SECOND	5 V	Timer or RTC	1.27 mm	R-PDSO-G8	2	Not Qualified	YES	e4
PCF8593P,112	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	6 V				3/5	IN-LINE	DIP8,.3	Y	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	4.2 mm		7.62 mm			.032 MHz			9.5 mm		CMOS		1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-PDIP-T8		Not Qualified	YES	e4
PCF8593T/1,112	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	6 V				3/5	SMALL OUTLINE	SOP8,.25	Y	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.75 mm		3.9 mm			.032 MHz		260	4.9 mm	0	CMOS		1/100 SECOND	3 V	Timer or RTC	1.27 mm	R-PDSO-G8	1	Not Qualified	YES	e4
PCF2123TS/1,112	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V				1.1/5.5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	1.1 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.1 mm		4.4 mm			.032 MHz		260	5 mm	1	CMOS		SECONDS	1.6 V	Timers or RTCs	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e4
PCA8565BS/1,118	NXP Semiconductors	TIMER, REAL TIME CLOCK	AUTOMOTIVE	NO LEAD	10	HVSON	SQUARE	PLASTIC/EPOXY	YES	I2C	5.5 V					SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE			1.8 V	125 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1 mm		3 mm			.032 MHz			3 mm	1	CMOS			2 V		.5 mm	S-PDSO-N10	1	Not Qualified		e4
PCA2125TS/1,118	NXP Semiconductors	TIMER, REAL TIME CLOCK	AUTOMOTIVE	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V		AEC-Q100		1.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	1.6 V	125 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.1 mm		4.4 mm			.032 MHz			5 mm		CMOS		SECONDS	2 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	NO	e4
PCA2125TS/1,112	NXP Semiconductors	TIMER, REAL TIME CLOCK	AUTOMOTIVE	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V		AEC-Q100		1.5/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	1.6 V	125 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	1.1 mm		4.4 mm			.032 MHz			5 mm		CMOS		SECONDS	2 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	NO	e4
M41ST87WSS6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.6 V			8	3/3.3	SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	2 mm		5.3 mm			.032 MHz	30	260	7.2 mm	1	CMOS		1/100 SECOND	3 V	Timers or RTCs	.65 mm	R-PDSO-G28	3	Not Qualified	NO	e3
M41T00CAPPC1	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	I2C	5.5 V				3/5	IN-LINE	DIP24,.6	N	2.7 V	70 Cel	0 Cel	MATTE TIN	DUAL	9.65 mm		15.24 mm						34.545 mm		CMOS		SECONDS		Timer or RTC	2.54 mm	R-PDIP-T24	1	Not Qualified	NO	e3
M41T00AUDD1F	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	NO LEAD	16	VSON	RECTANGULAR	UNSPECIFIED	YES	I2C	3.6 V				3.3	SMALL OUTLINE, VERY THIN PROFILE	SOLCC16,.16,20	N	3 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	1 mm		4 mm			.032 MHz			5 mm		CMOS		SECONDS	3.3 V	Timer or RTC	.5 mm	R-XDSO-N16	1	Not Qualified	YES	e4
BQ4845YP-A4	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	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		DUAL	4.826 mm		15.24 mm		8	.032 MHz	NOT SPECIFIED	NOT SPECIFIED	37.084 mm	1	CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T28		Not Qualified	NO
BQ4845YS-A4TR	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V				5	SMALL OUTLINE	SOP28,.4	Y	4.5 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	2.667 mm		7.5565 mm		8	.032 MHz	30	260	17.9705 mm	1	CMOS		SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G28	1	Not Qualified	NO	e4
BQ4845YS-A4	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V				5	SMALL OUTLINE	SOP28,.4	Y	4.5 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	2.667 mm		7.5565 mm		8	.032 MHz	30	260	17.9705 mm	1	CMOS		SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G28	1	Not Qualified	NO	e4
BQ4802YPWR	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	28	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V				5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP28,.25	Y	4.5 V	70 Cel	0 Cel		DUAL	1.2 mm		4.4 mm		8	.032 MHz	NOT SPECIFIED	NOT SPECIFIED	9.7 mm	1	CMOS		SECONDS	5 V	Timer or RTC	.65 mm	R-PDSO-G28		Not Qualified	NO
M48T248Y-70PM1	STMicroelectronics	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	DUAL	9.52 mm		15.24 mm		8	.032 MHz			42.8 mm	0	CMOS		1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-PDIP-P32	1	Not Qualified	NO	e3
M48T251Y-70PM1	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	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	DUAL					8	.032 MHz				0	CMOS		1/100 SECOND	5 V	Timer or RTC	2.54 mm	R-PDIP-T32	1	Not Qualified	NO	e3
BQ3285S-SB2TR	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, MUXED BUS	5.5 V				5	SMALL OUTLINE	SOP24,.4	Y	4.5 V	70 Cel	0 Cel		DUAL	2.65 mm		7.5 mm		8	.032 MHz	NOT SPECIFIED	NOT SPECIFIED	15.4 mm	1	CMOS		SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G24		Not Qualified	NO
BQ3285S-SB2	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, MUXED BUS	7 V				5	SMALL OUTLINE	SOP24,.4	Y	-.3 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	2.65 mm		7.5 mm		8	.032 MHz	30	260	15.4 mm	1	CMOS	15 mA	SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G24	1	Not Qualified	NO	e4
BQ4285S-SB2TR	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, MUXED BUS	5.5 V				5	SMALL OUTLINE	SOP24,.4	Y	4.5 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	2.65 mm		7.5 mm		8	.032 MHz	30	260	15.4 mm	1	CMOS		SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G24	1	Not Qualified	NO	e4
BQ4845S-A4N	Texas Instruments	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V				5	SMALL OUTLINE	SOP28,.4	Y	4.75 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	DUAL	2.667 mm		7.5565 mm		8	.032 MHz	30	260	17.9705 mm	1	CMOS		SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G28	1	Not Qualified	NO	e4
DS1744-70IND	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	28	DIP	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	10.42 mm		15.24 mm		8	.032 MHz			38.865 mm	0	CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-XDMA-T28		Not Qualified	NO	e0
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
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
DS1744WP-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				0	CMOS		SECONDS	3.3 V	Timer or RTC		R-XDMA-U34		Not Qualified	NO	e0
M41ST85WMX6	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.6 V				3/3.3	SMALL OUTLINE	SOP28,.4	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	2.69 mm		7.62 mm			.032 MHz		260	17.96 mm	1	CMOS		1/100 SECOND	3 V	Timer or RTC	1.27 mm	R-PDSO-G28	3	Not Qualified	NO	e3
M41ST85YMX6	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			17.96 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC	1.27 mm	R-PDSO-G28		Not Qualified	NO	e4
M41ST95WMX6TR	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.6 V				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		0	.032 MHz	30	250	17.96 mm	1	CMOS		1/100 SECOND	3 V	Timer or RTC	1.27 mm	R-PDSO-G28	3	Not Qualified	NO	e4
M41ST95WMX6	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.6 V				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		0	.032 MHz	30	250	17.96 mm	1	CMOS		1/100 SECOND	3 V	Timer or RTC	1.27 mm	R-PDSO-G28	3	Not Qualified	NO	e4
M41ST87YMX6	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			8	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

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.