GULL WING Timers & Real-Time Clocks 165

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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	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	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
DS1391U-3	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	10	TSSOP	SQUARE	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.3 V	3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP10,.19,20	Y	2.7 V	85 Cel	-40 Cel	TIN LEAD	DUAL	1.1 mm	3 mm		.032 MHz			3 mm	1	CMOS		1/100 SECOND	3 V	Timer or RTC		.5 mm	S-PDSO-G10	1	Not Qualified	YES	e0
DS3231SN	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		SMALL OUTLINE			2.3 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
DS3231S	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		SMALL OUTLINE			2.3 V	70 Cel	0 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
MC14541BFG	Onsemi	TIMER, PROGRAMMABLE	MILITARY	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		18 V		SMALL OUTLINE			3 V	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	2.05 mm	5.275 mm	0	3 MHz		260	10.2 mm	1	CMOS			5 V			1.27 mm	R-PDSO-G14		Not Qualified		e4
MC14541BFELG	Onsemi	TIMER, PROGRAMMABLE	MILITARY	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		18 V		SMALL OUTLINE			3 V	125 Cel	-55 Cel	NICKEL PALLADIUM GOLD	DUAL	2.05 mm	5.275 mm	0	3 MHz	30	260	10.2 mm	1	CMOS			5 V			1.27 mm	R-PDSO-G14	3	Not Qualified		e4
BQ3285ESSTRG4	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, MUXED BUS	5.5 V	5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.24	Y	4.5 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	1.75 mm	3.9 mm	8	.032 MHz	30	260	8.65 mm	1	CMOS		SECONDS	5 V	Timer or RTC		.635 mm	R-PDSO-G24	2	Not Qualified	NO	e4
BQ4802YDWRG4	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	2.65 mm	7.5 mm	8	.032 MHz	30	260	17.9 mm	1	CMOS	9 mA	SECONDS	5 V	Timer or RTC		1.27 mm	R-PDSO-G28	1	Not Qualified	NO	e4
BQ4802YPWRG4	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
DS1388Z-33	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.63 V	3.3	SMALL OUTLINE	SOP8,.25	Y	2.97 V	85 Cel	-40 Cel	TIN LEAD	DUAL	1.75 mm	3.9 mm		.032 MHz			4.9 mm		CMOS		1/100 SECOND	3.3 V	Timer or RTC		1.27 mm	R-PDSO-G8		Not Qualified	NO	e0
DS1388Z-5	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	5	SMALL OUTLINE	SOP8,.25	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	1.75 mm	3.9 mm		.032 MHz			4.9 mm		CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G8		Not Qualified	NO	e0
MAX6917EO50	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	5	SMALL OUTLINE, SHRINK PITCH	SSOP20,.25	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	1.73 mm	3.9 mm		.032 MHz			8.65 mm		CMOS		SECONDS	5 V	Timer or RTC		.635 mm	R-PDSO-G20	1	Not Qualified	NO	e0
BQ3285LFSS-A1G4	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, MUXED BUS	5.5 V	3/5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.24	Y	2.7 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	1.73 mm	3.9 mm	8	.032 MHz	30	260	8.65 mm	0	CMOS		SECONDS	3 V	Timer or RTC		.635 mm	R-PDSO-G24	2	Not Qualified	NO	e4
BQ3285LDSSG4	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, MUXED BUS	5.5 V	3	SMALL OUTLINE, SHRINK PITCH	SSOP24,.24	Y	2.7 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	1.73 mm	3.9 mm	8	.032 MHz	30	260	8.65 mm		CMOS		SECONDS	3 V	Timer or RTC		.635 mm	R-PDSO-G24	2	Not Qualified	YES	e4
BQ3285LDSSTRG4	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, MUXED BUS	5.5 V	3	SMALL OUTLINE, SHRINK PITCH	SSOP24,.24	Y	2.7 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	1.73 mm	3.9 mm	8	.032 MHz	30	260	8.65 mm		CMOS		SECONDS	3 V	Timer or RTC		.635 mm	R-PDSO-G24	2	Not Qualified	NO	e4
DS1558W-TRL	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	48	TFQFP	SQUARE	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	3.63 V	3.3	FLATPACK, THIN PROFILE, FINE PITCH	TQFP48,.35SQ	Y	2.97 V	85 Cel	-40 Cel	TIN LEAD	QUAD	1.2 mm	7 mm	8	.032 MHz			7 mm		CMOS		SECONDS	3.3 V	Timer or RTC		.5 mm	S-PQFP-G48		Not Qualified	NO	e0
DS1558Y-TRL	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	48	TFQFP	SQUARE	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V	5	FLATPACK, THIN PROFILE, FINE PITCH	TQFP48,.35SQ	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	QUAD	1.2 mm	7 mm	8	.032 MHz			7 mm		CMOS		SECONDS	5 V	Timer or RTC		.5 mm	S-PQFP-G48		Not Qualified	NO	e0
MC14541BDTR2G	Onsemi	TIMER, PROGRAMMABLE	MILITARY	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES		18 V		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			3 V	125 Cel	-55 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm	0	3 MHz	30	260	5 mm	1	CMOS			5 V			.65 mm	R-PDSO-G14	1	Not Qualified		e3
BQ3285LFSS-A1TRG4	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, MUXED BUS	5.5 V	3/5	SMALL OUTLINE, SHRINK PITCH	SSOP24,.24	Y	2.7 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	1.73 mm	3.9 mm	8	.032 MHz	30	260	8.65 mm	0	CMOS		SECONDS	3 V	Timer or RTC		.635 mm	R-PDSO-G24	2	Not Qualified	NO	e4
BQ4845S-A4NTRG4	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
RX6110SA:BB:PURESN	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C; SERIAL	5.5 V		SMALL OUTLINE			1.6 V	85 Cel	-40 Cel	TIN	DUAL	3.3 mm	5 mm	0			260	10.1 mm		CMOS			3 V			1.27 mm	R-PDSO-G14				e3
PT7C4339UEX	Diodes Incorporated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	TSSOP	SQUARE	PLASTIC/EPOXY	YES	I2C	5.5 V		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP8,.19	Y	3 V	85 Cel	-40 Cel		DUAL	1.1 mm	3 mm					3 mm	1	CMOS			3.3 V		I2C	.65 mm	S-PDSO-G8			NO

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.