20 Timers & Real-Time Clocks 177

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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	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
DS1315EN-33	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL	3.6 V			3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	N	3 V	85 Cel	-40 Cel	TIN LEAD	DUAL	1.1 mm		4.4 mm		0	.032 MHz			6.5 mm	0	CMOS		1/100 SECOND	3.3 V	Timer or RTC	.65 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS32B35-33IND#	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.63 V		8	3/3.3	SMALL OUTLINE	SOP20,.4	Y	2.7 V	85 Cel	-40 Cel	TIN	DUAL	2.65 mm		7.5 mm		1	.032 MHz	30	260	12.8 mm	1	CMOS		MINUTES	3.3 V	Timer or RTC	1.27 mm	R-PDSO-G20	1	Not Qualified	NO	e3
DS1673E-3/T&R	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.3 V			3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2.7 V	70 Cel	0 Cel	TIN LEAD	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz			6.5 mm	0	MOS		SECONDS	3 V	Timer or RTC	.65 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS1673S-3	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.3 V			3	SMALL OUTLINE	SOP20,.4	Y	2.7 V	70 Cel	0 Cel	TIN LEAD	DUAL	2.65 mm		7.5 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz			12.8 mm	0	MOS		SECONDS	3 V	Timer or RTC	1.27 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS1343E-18+T&R	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V				SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			1.71 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.1 mm		4.4 mm				30	260	6.5 mm	1	CMOS			1.8 V		.65 mm	R-PDSO-G20	1			e3
DS1673E-5/T&R	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz			6.5 mm	0	MOS		SECONDS	5 V	Timer or RTC	.65 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS1670E	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.63 V			3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz		245	6.5 mm	0	CMOS		SECONDS	3.3 V	Timers or RTCs	.65 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS1315EN-5+T&R	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL	5.5 V			5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	N	4.5 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.1 mm		4.4 mm		0	.032 MHz			6.5 mm	0	CMOS		1/100 SECOND	5 V	Timer or RTC	.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1315EN-33/T&R	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL	3.6 V			3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	N	3 V	85 Cel	-40 Cel	TIN LEAD	DUAL	1.1 mm		4.4 mm		0	.032 MHz			6.5 mm	0	CMOS		1/100 SECOND	3.3 V	Timer or RTC	.65 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS1315E5	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL	5.5 V				SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	1.1 mm		4.4 mm		0	.032 MHz			6.5 mm	0	CMOS			5 V		.65 mm	R-PDSO-G20	1	Not Qualified		e0
DS1670E/T&R	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.63 V			3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2.97 V	70 Cel	0 Cel	TIN LEAD	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz			6.5 mm	0	CMOS		SECONDS	3.3 V	Timers or RTCs	.65 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS1315E33	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL	3.6 V				SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			3 V	70 Cel	0 Cel	TIN LEAD	DUAL	1.1 mm		4.4 mm		0	.032 MHz			6.5 mm	0	CMOS			3.3 V		.65 mm	R-PDSO-G20	1	Not Qualified		e0
DS32C35-33#T&R	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.63 V				SMALL OUTLINE			2.7 V	70 Cel	0 Cel		DUAL	2.65 mm		7.5 mm				30	260	12.8 mm	1	CMOS			3.3 V		1.27 mm	R-PDSO-G20
TC8521AM	Toshiba	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V			3/5	SMALL OUTLINE	SOP20,.3	Y	4.5 V	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL	1.8 mm		5.3 mm		4				12.8 mm		CMOS		SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G20		Not Qualified	YES	e0
UPD4992CX-A	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V			3/5	IN-LINE	DIP20,.3	N	2.4 V	85 Cel	-40 Cel	TIN BISMUTH	DUAL	5.08 mm		7.62 mm		8		10	260		0	CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T20		Not Qualified	YES	e6
UPD4992GS	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V		8	3/5	SMALL OUTLINE	SOP20,.3	N	2.4 V	85 Cel	-40 Cel	TIN LEAD	DUAL	1.8 mm		5.6 mm		8	.032 MHz					CMOS		SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G20		Not Qualified	YES	e0
UPD4991AGS	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V		4	5	SMALL OUTLINE	SOP20,.3	Y	2 V	85 Cel	-40 Cel	TIN LEAD	DUAL	1.8 mm		5.6 mm		4	.032 MHz			12.7 mm		CMOS		SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G20		Not Qualified	YES	e0
5P90011CPGG8	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V				SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2 V	70 Cel	0 Cel		DUAL	1.2 mm		4.4 mm			2 MHz			6.5 mm		CMOS	1.28 mA	SECONDS	5 V		.65 mm	R-PDSO-G20			NO
5T90008CPII8	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			2.5/5	SMALL OUTLINE	SOP20,.4	Y	2.3 V	85 Cel	-40 Cel	MATTE TIN	DUAL	2.65 mm		7.5 mm			.032 MHz	30	260	12.8 mm	1	CMOS	.05 mA	SECONDS	3.3 V	Timer or RTC	1.27 mm	R-PDSO-G20	1	Not Qualified	NO	e3
UPD4992GS-E2	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V		8		SMALL OUTLINE			2.4 V	85 Cel	-40 Cel		DUAL	1.8 mm		5.6 mm		8	.032 MHz	NOT SPECIFIED	NOT SPECIFIED			CMOS			5 V		1.27 mm	R-PDSO-G20
UPD4992GS-T1	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V		8		SMALL OUTLINE			2.4 V	85 Cel	-40 Cel		DUAL	1.8 mm		5.6 mm		8	.032 MHz	NOT SPECIFIED	NOT SPECIFIED			CMOS			5 V		1.27 mm	R-PDSO-G20
UPD4992CX	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V		8	3/5	IN-LINE	DIP20,.3	N	2.4 V	85 Cel	-40 Cel	TIN LEAD	DUAL	5.08 mm		7.62 mm		8	.032 MHz					CMOS		SECONDS	5 V	Timer or RTC	2.54 mm	R-PDIP-T20		Not Qualified	YES	e0
5P90011CPGG	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V				SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2 V	70 Cel	0 Cel		DUAL	1.2 mm		4.4 mm			2 MHz			6.5 mm		CMOS	1.28 mA	SECONDS	5 V		.65 mm	R-PDSO-G20			NO
UPD4991AGS-A	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V		1	5	SMALL OUTLINE	SOP20,.3	Y	2 V	85 Cel	-40 Cel	TIN BISMUTH	DUAL	1.8 mm		5.6 mm		4	.032 MHz	10	260	12.7 mm	1	CMOS		SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G20		Not Qualified	YES	e6
5T90008CPII	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			2.5/5	SMALL OUTLINE	SOP20,.4	Y	2.3 V	85 Cel	-40 Cel	MATTE TIN	DUAL	2.65 mm		7.5 mm			.032 MHz	30	260	12.8 mm	1	CMOS	.05 mA	SECONDS	3.3 V	Timer or RTC	1.27 mm	R-PDSO-G20	1	Not Qualified	NO	e3
5T90008SRI	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V				SMALL OUTLINE	SOP20,.4	Y	2.3 V	85 Cel	-40 Cel	TIN LEAD	DUAL	2.65 mm		7.5 mm			.032 MHz			12.8 mm	1	CMOS	.3 mA	SECONDS	3.3 V		1.27 mm	R-PDSO-G20			NO	e0
UPD4992GS-A	Renesas Electronics		INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL				3/5	SMALL OUTLINE	SOP20,.3	N		85 Cel	-40 Cel	TIN BISMUTH	DUAL							10	260			CMOS		SECONDS		Timer or RTC	1.27 mm	R-PDSO-G20		Not Qualified	YES	e6
5T90008SRI8	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V				SMALL OUTLINE	SOP20,.4	Y	2.3 V	85 Cel	-40 Cel	TIN LEAD	DUAL	2.65 mm		7.5 mm			.032 MHz			12.8 mm	1	CMOS	.3 mA	SECONDS	3.3 V		1.27 mm	R-PDSO-G20			NO	e0
UPD4992GS-T2	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V		8		SMALL OUTLINE			2.4 V	85 Cel	-40 Cel		DUAL	1.8 mm		5.6 mm		8	.032 MHz					CMOS			5 V		1.27 mm	R-PDSO-G20
ISL12022MIBZ-T7A	Renesas Electronics		INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 2 WIRE/I2C				3/5	SMALL OUTLINE	SOP20,.4	Y		85 Cel	-40 Cel	MATTE TIN	DUAL							30	260					SECONDS		Timer or RTC	1.27 mm	R-PDSO-G20	1	Not Qualified	NO	e3
ISL12020MIRZ-T7	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	20	HLSON	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	8			SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE	SOLCC20,.16,20	Y	2.7 V	85 Cel	-40 Cel		DUAL	1.3 mm	128K	4 mm		0	.032768 MHz			5.5 mm		CMOS	.5 mA	SECONDS	3 V		.5 mm	R-PDSO-N20			YES
ISL12022MIBZ-T13	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V				SMALL OUTLINE			2.7 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	2.65 mm		7.5 mm				30	260	12.8 mm		CMOS			3 V		1.27 mm	R-PDSO-G20	1			e3
ISL12020MIRZ-T13	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	20	HLSON	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	8			SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE	SOLCC20,.16,20	Y	2.7 V	85 Cel	-40 Cel		DUAL	1.3 mm	128K	4 mm		0	.032768 MHz			5.5 mm		CMOS	.5 mA	SECONDS	3 V		.5 mm	R-PDSO-N20			YES

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.