TIMER, REAL TIME CLOCK Timers & Real-Time Clocks 2,400+

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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	Maximum Output Clock Frequency	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	Bus Compatibility	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	Volatile	JESD-609 Code
PT7C4311WEX	Diodes Incorporated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V	8			.000512 MHz	1.8/5	SMALL OUTLINE	SOP8,.25	N	1.5 V	85 Cel	-40 Cel		DUAL	1.75 mm	56	3.9 mm			.032768 MHz			4.9 mm	1	CMOS	.15 mA	SECONDS		Timer or RTC	I2C	1.27 mm	R-PDSO-G8		Not Qualified	NO
RX-8581NBB	Epson Toyocom	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	20	SON	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V						SMALL OUTLINE			1.8 V	85 Cel	-40 Cel	TIN/TIN SILVER	DUAL	1.4 mm		4.8 mm			.032 MHz	NOT SPECIFIED	NOT SPECIFIED			CMOS			3 V			.5 mm	R-PDSO-N20		Not Qualified		e3/e2
RX-8581NB:B	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	22	SON	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V					2/5	SMALL OUTLINE	SOLCC22,.2,20	Y	1.8 V	85 Cel	-40 Cel		DUAL	1.4 mm		4.8 mm	LG-MAX		.032 MHz	NOT SPECIFIED	NOT SPECIFIED	6.3 mm		CMOS		SECONDS	2.7 V	Timer or RTC		.5 mm	R-PDSO-N22		Not Qualified	YES
CDP68HC68T1M	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	6 V	8			.002048 MHz	3.3/5	SMALL OUTLINE	SOP20,.4	Y	3 V	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL		32				2.1 MHz				1	CMOS	1.2 mA	SECONDS	5 V	Timer or RTC	CDP6805D2	1.27 mm	R-PDSO-G20		Not Qualified	YES	e0
DS1338U-3	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	TSSOP	SQUARE	PLASTIC/EPOXY	YES	I2C	3.3 V					3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP8,.19	N	2.7 V	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL	1.1 mm		3 mm			.032 MHz	20	240	3 mm	1	CMOS		SECONDS	3 V	Timer or RTC		.65 mm	S-PDSO-G8	1	Not Qualified	NO	e0
DS1338U-3+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	TSSOP	SQUARE	PLASTIC/EPOXY	YES	I2C	5.5 V					3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP8,.19	N	2.7 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		3 mm		0	.032 MHz	30	260	3 mm	1	CMOS		SECONDS	3 V	Timer or RTC		.65 mm	S-PDSO-G8	1	Not Qualified	NO	e3
RTC-4553A	Seiko Epson	TIMER, REAL TIME CLOCK	OTHER	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V	4				3/5	SMALL OUTLINE	SOP14,.3	N	2.7 V	70 Cel	-30 Cel	TIN LEAD	DUAL	3.3 mm	30	5 mm			.032 MHz			10.1 mm	0	CMOS	.1 mA	SECONDS	5 V	Timer or RTC		1.27 mm	R-PDSO-G14		Not Qualified	YES	e0
RV-1805-C3-32.768KHZ-2PPM-TA-QC	Micro Crystal Ag	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	10	VSON	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL(I2C)	3.6 V	8	AEC-Q200		.032768 MHz		SMALL OUTLINE, VERY THIN PROFILE	SOLCC10,.098,35	Y	1.5 V	85 Cel	-40 Cel	Gold (Au)	DUAL	.9 mm	256	2.5 mm				40	260	3.7 mm		CMOS	.00008 mA		3 V		I2C	.8 mm	R-PDSO-N10			NO	e4
RX8900CE:UA0	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	10	VSON	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	YES	I2C	5.5 V						SMALL OUTLINE, VERY THIN PROFILE	SOLCC10,.098,27	Y	2.5 V	85 Cel	-40 Cel		DUAL	1 mm		2.5 mm			.032768 MHz	30	260	3.2 mm		CMOS	.1 mA	SECONDS	3 V			.7 mm	R-CDSO-N10			NO
BQ4287MT-SB2	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, MUXED BUS	5.5 V					5	MICROELECTRONIC ASSEMBLY	DIP24,.6	Y	4.5 V	70 Cel	0 Cel		DUAL					8		NOT SPECIFIED	NOT SPECIFIED		1	CMOS		SECONDS	5 V	Timer or RTC		2.54 mm	R-XDMA-T24		Not Qualified	NO
M48T58Y-70MH1F	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	Matte Tin (Sn)	DUAL	3.05 mm		8.56 mm		8	.032 MHz	30	245	18.1 mm	0	CMOS		SECONDS	5 V	Timer or RTC		1.27 mm	R-PDSO-G28	3	Not Qualified	NO	e3
MCP79512-I/MS	Microchip Technology	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	10	TSSOP	SQUARE	PLASTIC/EPOXY	YES	SERIAL(SPI)	3.6 V	8	TS 16949				SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP10,.19,20	Y	1.8 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.1 mm	64	3 mm	ALSO OPEARTES AT 1.8V MIN SUPPLY AT 3MHZ CLOCK FREQ	0	.032 MHz	40	260	3 mm	1	CMOS	5 mA	1/100 SECOND	3 V			.5 mm	S-PDSO-G10	2		NO	e3
PCF2123TS/1	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			8		1.1/5.5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	1.1 V	85 Cel	-40 Cel		DUAL	1.1 mm		4.4 mm		0	.032 MHz		260	5 mm	1	CMOS		SECONDS	2 V	Timer or RTC		.65 mm	R-PDSO-G14	1	Not Qualified	YES
AB0815-T3	Abracon	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	UNSPECIFIED	YES	I2C; SERIAL, 4-WIRE/3-WIRE	3.6 V						CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			1.5 V	85 Cel	-40 Cel		QUAD	.9 mm		3 mm			.032 MHz	30	260	3 mm	1	CMOS			1.8 V			.5 mm	S-XQCC-N16	1
DS1501YZN+T&R	Analog Devices	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	4.5 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	2.65 mm		7.5 mm		8	.032 MHz	30	260	17.9 mm	1	CMOS		SECONDS	5 V	Timers or RTCs		1.27 mm	R-PDSO-G28	1	Not Qualified	YES	e3
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
M41T93ZMY6F	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
MCP795W12-I/SL	Microchip Technology	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL(SPI)	3.6 V	8	TS 16949	8		2/5	SMALL OUTLINE	SOP14,.24	Y	1.8 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.75 mm	64	3.9 mm	ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ	0	.032 MHz	40	260	8.65 mm	1	CMOS	5 mA	1/100 SECOND	3 V	Timer or RTC		1.27 mm	R-PDSO-G14	1	Not Qualified	NO	e3
PCF85363ATL/A	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	10	HVSON	SQUARE	PLASTIC/EPOXY	YES	I2C	5.5 V						SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE			.9 V	85 Cel	-40 Cel		DUAL	.5 mm		2.6 mm						2.6 mm	1	CMOS			3.3 V			.5 mm	S-PDSO-N10
M48T35AV-10MH1E	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	3.6 V					3.3	SMALL OUTLINE	SOP28,.5	N	3 V	70 Cel	0 Cel	MATTE TIN	DUAL	3.05 mm		8.56 mm		8	.032 MHz			18.1 mm	0	CMOS		SECONDS	3.3 V	Timer or RTC		1.27 mm	R-PDSO-G28	3	Not Qualified	NO	e3
MCP795W11-I/ST	Microchip Technology	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL(SPI)	3.6 V	8	TS 16949	8		2/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP14,.25	Y	1.8 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.2 mm	64	4.4 mm	ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ	0	.032 MHz	40	260	5 mm	1	CMOS	5 mA	1/100 SECOND	3 V	Timer or RTC		.65 mm	R-PDSO-G14	1	Not Qualified	NO	e3
RX-8581SA:B3:PURESN	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V					2/5	SMALL OUTLINE	SOP14,.3	Y	1.8 V	85 Cel	-40 Cel	TIN	DUAL	3.3 mm		5 mm			.032 MHz		260	10.1 mm		CMOS		SECONDS	2.7 V	Timer or RTC		1.27 mm	R-PDSO-G14		Not Qualified	YES	e3
BQ4802LYPWRG4	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	28	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	3.6 V					3/3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP28,.25	Y	2.7 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	1.2 mm		4.4 mm		8	.032 MHz	30	260	9.7 mm	1	CMOS		SECONDS	3.3 V	Timer or RTC		.65 mm	R-PDSO-G28	1	Not Qualified	NO	e4
DS1501YZN+	Analog Devices	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	4.5 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	2.65 mm		7.5 mm		8	.032 MHz	30	260	17.9 mm	1	CMOS		SECONDS	5 V	Timers or RTCs		1.27 mm	R-PDSO-G28	1	Not Qualified	YES	e3
DS3231S-C14	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 (Sn/Pb)	DUAL	2.65 mm		7.5 mm			.032 MHz	20	240	10.3 mm	1	CMOS			3.3 V			1.27 mm	R-PDSO-G16	1	Not Qualified		e0
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
M48T18-150PC1	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.5 V	8					IN-LINE	DIP28,.6	N	4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	9.65 mm	8184	15.24 mm		8	.032 MHz			39.625 mm	0	CMOS	80 mA	SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T28		Not Qualified	NO	e3
M48T35Y-70MH1TR	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V	8				5	SMALL OUTLINE	SOP28,.5	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	3.05 mm	32760	8.56 mm		8	.032 MHz			18.1 mm	0	CMOS	50 mA	SECONDS	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
PCA85073ADP/Q900Z	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	8	TSSOP	SQUARE	PLASTIC/EPOXY	YES	I2C	5.5 V		AEC-Q100				SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP8,.19	Y	1.8 V	105 Cel	-40 Cel	NICKEL PALLADIUM GOLD SILVER	DUAL	1.1 mm		3 mm		0	.032768 MHz	30	260	3 mm	1	CMOS	50 mA		3 V			.65 mm	S-PDSO-G8	1		NO	e4
PCF8523U/12AA/1,00	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	12	DIE	RECTANGULAR	UNSPECIFIED	YES	I2C	5.5 V					1.2/5.5	UNCASED CHIP	DIE OR CHIP	Y	1.2 V	85 Cel	-40 Cel		UPPER						.032 MHz	NOT SPECIFIED	NOT SPECIFIED		1	CMOS		SECONDS	3 V	Timer or RTC			R-XUUC-N12		Not Qualified	YES
PCF8563TD-T	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		DUAL						.032 MHz	NOT SPECIFIED	NOT SPECIFIED		0	CMOS		SECONDS	2 V	Timer or RTC		.635 mm	R-PDSO-G8		Not Qualified	YES
RTC-72423	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS/MUXED BUS	5.5 V					5	SMALL OUTLINE	SOP24,.5	N	4.5 V	85 Cel	-40 Cel		DUAL	2.8 mm		7.9 mm		4	.032 MHz	NOT SPECIFIED	NOT SPECIFIED		0	CMOS	.01 mA	SECONDS	5 V	Timer or RTC	8048; 8051; 8085	1.27 mm	R-PDSO-G24		Not Qualified	YES
RX-8581SA:B0:PURESN	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V					2/5	SMALL OUTLINE	SOP14,.3	Y	1.8 V	85 Cel	-40 Cel	TIN	DUAL	3.3 mm		5 mm			.032 MHz		260	10.1 mm		CMOS		SECONDS	2.7 V	Timer or RTC		1.27 mm	R-PDSO-G14		Not Qualified	YES	e3
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
ISL12027IB27Z	Renesas Electronics	TIMER, REAL TIME CLOCK		GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL(I2C)	5.5 V						SMALL OUTLINE	SOP8,.25	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.75 mm		3.9 mm			.32768 MHz			4.9 mm		CMOS	3.5 mA	SECONDS	3.3 V			1.27 mm	R-PDSO-G8	1		NO	e3
M41T93RQA6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	16	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	SERIAL, 4 WIRE/SPI	5.5 V			8		3/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC16,.12SQ,20	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	QUAD	1 mm		4 mm			5 MHz	40	260	4 mm	1	CMOS		1/100 SECOND	3 V	Timers or RTCs		.65 mm	S-PQCC-N16	3	Not Qualified	NO	e3
MSM6242BGS	Oki Electric Industry	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	6 V						SMALL OUTLINE	SOP24,.4	Y	4 V	85 Cel	-40 Cel		DUAL	2.5 mm		7.9 mm		4	.032 MHz			15.95 mm	1	CMOS		1/64 SECOND	5 V		8085; Z80; MCS48; 80C49	1.27 mm	R-PDSO-G24		Not Qualified	NO
RV-8803-C7-32.768KHZ-3PPM-TA-QA	Micro Crystal Ag	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	8	SON	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	YES	SERIAL(I2C)	5.5 V						SMALL OUTLINE	SOLCC8,.06,35	Y	1.5 V	85 Cel	-40 Cel	Gold (Au)	DUAL	.8 mm		1.5 mm				40	260	3.2 mm	1	CMOS		1/100 SECOND	3 V		I2C	.9 mm	R-CDSO-N8			YES	e4
RX-8581SA:B:PURESN	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V					2/5	SMALL OUTLINE	SOP14,.3	Y	1.8 V	85 Cel	-40 Cel	TIN	DUAL	3.3 mm		5 mm			.032 MHz		260	10.1 mm		CMOS		SECONDS	2.7 V	Timer or RTC		1.27 mm	R-PDSO-G14		Not Qualified	YES	e3
X1226S8IZT1	Renesas Electronics	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	MATTE TIN	DUAL	1.7272 mm		3.9116 mm			.032 MHz			4.9022 mm	1	CMOS		SECONDS	5 V	Timer or RTC		1.27 mm	R-PDSO-G8		Not Qualified	NO	e3
X1226S8IZ-T1	Intersil	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	MATTE TIN	DUAL	1.7272 mm		3.9116 mm			.032 MHz			4.9022 mm	1	CMOS		SECONDS	5 V	Timer or RTC		1.27 mm	R-PDSO-G8		Not Qualified	NO	e3
BQ3285LDSS	Texas Instruments	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	24	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	PARALLEL, MUXED BUS	5.5 V					3	SMALL OUTLINE	SSOP24,.24	Y	2.7 V	70 Cel	0 Cel	NICKEL PALLADIUM GOLD	DUAL	1.75 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	YES	e4
DS1284QN/T&R	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V					5	CHIP CARRIER	LCC28,.5SQ	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	QUAD	4.57 mm		11.505 mm	ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P	8	.032 MHz		245	11.505 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	S-PQCC-J28	1	Not Qualified	YES	e0
DS1284QN+T&R	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V					5	CHIP CARRIER	LDCC28,.5SQ	Y	4.5 V	85 Cel	-40 Cel	MATTE TIN	QUAD	4.57 mm		11.505 mm	ACCURACY 2 MIN/MONTH @ 25 DEGREE C; 1024 HZ FIXED O/P	8	.032 MHz		245	11.505 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	S-PQCC-J28	1	Not Qualified	YES	e3
DS17287-5	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, MUXED BUS	5.5 V					5	IN-LINE	DIP24,.6	Y	4.5 V	70 Cel	0 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		Not Qualified	NO	e0
DS17287-5+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, MUXED BUS	5.5 V					5	IN-LINE	DIP24,.6	Y	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	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		Not Qualified	YES	e3
ISL1218IUZ-T	Renesas Electronics	TIMER, REAL TIME CLOCK																					MATTE TIN								30	260											2			e3
ISL1219IUZ-T	Renesas Electronics	TIMER, REAL TIME CLOCK																					MATTE TIN								30	260											2			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.