14 Timers & Real-Time Clocks 220

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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	Minimum Time	Nominal Supply Voltage	Sub-Category	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	Volatile	JESD-609 Code
X1228V14-2.7	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	70 Cel	0 Cel	TIN LEAD	DUAL	1.2 mm	4.4 mm		.032 MHz			5 mm	1	CMOS	SECONDS	5 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e0
ISL12028IV27Z	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm	0	.032 MHz	30	260	5 mm		CMOS	SECONDS	3.3 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e3
ISL12028AIV27Z	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm	0	.032 MHz	30	260	5 mm		CMOS	SECONDS	3.3 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e3
ISL12028IBZ-T	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE	SOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.75 mm	3.9 mm	0	.032 MHz	30	260	8.65 mm		CMOS	SECONDS	3.3 V	Timer or RTC	1.27 mm	R-PDSO-G14	2	Not Qualified	YES	e3
X1228S14Z-2.7A	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE	SOP14,.25	Y	2.7 V	70 Cel	0 Cel	MATTE TIN	DUAL	1.7272 mm	3.9116 mm		.032 MHz			8.6614 mm	1	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G14	3	Not Qualified	YES	e3
X1228S14IZ	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE	SOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.7272 mm	3.9116 mm		.032 MHz			8.6614 mm	1	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G14	3	Not Qualified	YES	e3
X1228V14IZ-4.5A	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm		.032 MHz			5 mm	1	CMOS	SECONDS	5 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e3
X1228V14IZ-2.7A	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm		.032 MHz			5 mm	1	CMOS	SECONDS	5 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e3
ISL12028IVZ	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm	0	.032 MHz	30	260	5 mm		CMOS	SECONDS	3.3 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e3
X1228V14Z-2.7A	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	70 Cel	0 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm		.032 MHz			5 mm	1	CMOS	SECONDS	5 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e3
X1228S14I	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE	SOP14,.25	Y	2.7 V	85 Cel	-40 Cel	TIN LEAD	DUAL	1.7272 mm	3.9116 mm		.032 MHz			8.6614 mm	1	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G14	1	Not Qualified	YES	e0
X1228S14Z-2.7T1	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE	SOP14,.25	Y	2.7 V	70 Cel	0 Cel	MATTE TIN	DUAL	1.7272 mm	3.9116 mm		.032 MHz			8.6614 mm	1	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G14	3	Not Qualified	YES	e3
X1228S14Z-2.7	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE	SOP14,.25	Y	2.7 V	70 Cel	0 Cel	MATTE TIN	DUAL	1.7272 mm	3.9116 mm		.032 MHz			8.6614 mm	1	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G14	3	Not Qualified	YES	e3
X1228V14-4.5A	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	70 Cel	0 Cel	TIN LEAD	DUAL	1.2 mm	4.4 mm		.032 MHz			5 mm	1	CMOS	SECONDS	5 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e0
X1228S14-2.7	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE	SOP14,.25	Y	2.7 V	70 Cel	0 Cel	TIN LEAD	DUAL	1.7272 mm	3.9116 mm		.032 MHz			8.6614 mm	1	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G14	1	Not Qualified	YES	e0
ISL12029IB27AZ	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE	SOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.75 mm	3.9 mm	0	.032 MHz	30	260	8.65 mm	1	CMOS	SECONDS	3.3 V	Timer or RTC	1.27 mm	R-PDSO-G14	2	Not Qualified	NO	e3
ISL12029IB30AZ	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE	SOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.75 mm	3.9 mm	0	.032 MHz	30	260	8.65 mm	1	CMOS	SECONDS	3.3 V	Timer or RTC	1.27 mm	R-PDSO-G14	2	Not Qualified	NO	e3
ISL12029IV30AZ	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm	0	.032 MHz	30	260	5 mm	1	CMOS	SECONDS	3.3 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	NO	e3
X1228V14I-4.5A	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	85 Cel	-40 Cel	TIN LEAD	DUAL	1.2 mm	4.4 mm		.032 MHz			5 mm	1	CMOS	SECONDS	5 V	Timer or RTC	.65 mm	R-PDSO-G14		Not Qualified	YES	e0
X1228S14Z	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE	SOP14,.25	Y	2.7 V	70 Cel	0 Cel	MATTE TIN	DUAL	1.7272 mm	3.9116 mm		.032 MHz			8.6614 mm	1	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G14	3	Not Qualified	YES	e3
X1228V14-2.7A	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	70 Cel	0 Cel	TIN LEAD	DUAL	1.2 mm	4.4 mm		.032 MHz			5 mm	1	CMOS	SECONDS	5 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e0
ISL12029IBAZ	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE	SOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.75 mm	3.9 mm	0	.032 MHz	30	260	8.65 mm	1	CMOS	SECONDS	3.3 V	Timer or RTC	1.27 mm	R-PDSO-G14	2	Not Qualified	NO	e3
X1228V14Z	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	70 Cel	0 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm		.032 MHz			5 mm	1	CMOS	SECONDS	5 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e3
ISL12029AIV27Z	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm	0	.032 MHz	30	260	5 mm	1	CMOS	SECONDS	3.3 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	NO	e3
X1228V14IZ	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm		.032 MHz			5 mm	1	CMOS	SECONDS	5 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e3
X1228V14Z-2.7	Renesas Electronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	70 Cel	0 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm		.032 MHz			5 mm	1	CMOS	SECONDS	5 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e3
ISL12028AIV27Z-T	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.2 mm	4.4 mm	0	.032 MHz	30	260	5 mm		CMOS	SECONDS	3.3 V	Timer or RTC	.65 mm	R-PDSO-G14	1	Not Qualified	YES	e3
X1228S14IZ-2.7	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	3/5	SMALL OUTLINE	SOP14,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.7272 mm	3.9116 mm		.032 MHz			8.6614 mm	1	CMOS	SECONDS	5 V	Timer or RTC	1.27 mm	R-PDSO-G14	3	Not Qualified	YES	e3

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.