28 Timers & Real-Time Clocks 609

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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	Bus Compatibility	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	Volatile	JESD-609 Code
M41ST95YMH6TR	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			5	SMALL OUTLINE	SOP28,.5	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm		0	.032 MHz			18.1 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
Z8430AD2	STMicroelectronics	TIMER, PROGRAMMABLE	MILITARY	THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	PARALLEL, DIRECT ADDRESS	5.5 V		8		IN-LINE			4.75 V	125 Cel	-55 Cel	TIN LEAD	DUAL				DAISY CHAIN INTERRUPT STRUCTURE; PRESCALED /16, /256 TIMER I/P'S	8	4 MHz				4	NMOS	100 mA		5 V		Z80		R-CDIP-T28		Not Qualified		e0
MK48T18B10	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	UNSPECIFIED	NO	PARALLEL, DIRECT ADDRESS	5.5 V	8			MICROELECTRONIC ASSEMBLY	DIP28,.6	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL		8184		10 YEARS DATA RETENTION; ACCURACY 1 MIN/MONTH @ 25 DEGREE C; SOFTWARE CLOCK CALIBRATION	8					0	CMOS	80 mA	SECONDS	5 V	Timer or RTC		2.54 mm	R-XDMA-T28		Not Qualified	NO	e0
Z8430D1	STMicroelectronics	TIMER, PROGRAMMABLE	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	PARALLEL, DIRECT ADDRESS	5.25 V		8		IN-LINE			4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL				DAISY CHAIN INTERRUPT STRUCTURE; PRESCALED /16, /256 TIMER I/P'S	8	2.5 MHz				4	NMOS	100 mA		5 V		Z80		R-CDIP-T28		Not Qualified		e0
M41ST85W-85MH6TR	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.6 V			3/3.3	SMALL OUTLINE	SOP28,.5	Y	2.7 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm			.032 MHz			18.1 mm	1	CMOS		1/100 SECOND		Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
M41ST85YMH6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			5	SMALL OUTLINE	SOP28,.5	Y	4.5 V	85 Cel	-40 Cel		DUAL	3.05 mm		8.56 mm				10	260	18.1 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO
M41ST85YMX6F	STMicroelectronics		INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 2 WIRE/I2C				5	SMALL OUTLINE	SOP28,.4	Y		85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL											CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e4
M41ST85WMX6F	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	NICKEL PALLADIUM GOLD	DUAL	2.69 mm		7.62 mm		0				17.96 mm	1	CMOS		1/100 SECOND	3 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e4
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
M41ST85WMH6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.6 V			3/3.3	SMALL OUTLINE	SOP28,.5	Y	2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	3.05 mm		8.56 mm			.032 MHz			18.1 mm	1	CMOS		1/100 SECOND	3 V	Timer or RTC		1.27 mm	R-PDSO-G28	1	Not Qualified	NO	e3
M41ST84W-85MH6TR	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.6 V			3/3.3	SMALL OUTLINE	SOP28,.5	Y	2.8 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm			.032 MHz			18.1 mm	1	CMOS		1/100 SECOND	3 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
M41ST85YMH6TR	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			5	SMALL OUTLINE	SOP28,.5	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm		0	.032 MHz			18.1 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
Z8430F1	STMicroelectronics	TIMER, PROGRAMMABLE	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	PARALLEL, DIRECT ADDRESS	5.25 V		8		IN-LINE			4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL				DAISY CHAIN INTERRUPT STRUCTURE; PRESCALED /16, /256 TIMER I/P'S	8	2.5 MHz				4	NMOS	100 mA		5 V		Z80		R-GDIP-T28		Not Qualified		e0
M41ST84YMH6TR	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			5	SMALL OUTLINE	SOP28,.5	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm		0	.032 MHz			18.1 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
Z84C30AD2	STMicroelectronics	TIMER, PROGRAMMABLE		THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	PARALLEL, DIRECT ADDRESS	5.5 V		8		IN-LINE			4.5 V	125 Cel	-55 Cel	TIN LEAD	DUAL				DAISY CHAIN INTERRUPT STRUCTURE; PRESCALED /16, /256 TIMER I/P'S	8	4 MHz				4	CMOS	5 mA		5 V		Z80C		R-CDIP-T28		Not Qualified		e0
Z8430AD1	STMicroelectronics	TIMER, PROGRAMMABLE	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	PARALLEL, DIRECT ADDRESS	5.25 V		8		IN-LINE			4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL				DAISY CHAIN INTERRUPT STRUCTURE; PRESCALED /16, /256 TIMER I/P'S	8	4 MHz				4	NMOS	100 mA		5 V		Z80		R-CDIP-T28		Not Qualified		e0
MK48T18B-20	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	TIN LEAD	DUAL	9.652 mm	8184	15.24 mm		8					0	CMOS	80 mA	SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T28		Not Qualified	NO	e0
M41ST95WMH6E	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,.5	Y	2.7 V	85 Cel	-40 Cel		DUAL	3.05 mm		8.56 mm		0	.032 MHz	10	260	18.1 mm	1	CMOS		1/100 SECOND	3 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO
Z84C30BD6	STMicroelectronics	TIMER, PROGRAMMABLE		THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	PARALLEL, DIRECT ADDRESS	5.5 V		8		IN-LINE			4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL				DAISY CHAIN INTERRUPT STRUCTURE; PRESCALED /16, /256 TIMER I/P'S	8	6 MHz				4	CMOS	7 mA		5 V		Z80C		R-CDIP-T28		Not Qualified		e0
Z8430BD2	STMicroelectronics	TIMER, PROGRAMMABLE	MILITARY	THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	PARALLEL, DIRECT ADDRESS	5.5 V		8		IN-LINE			4.75 V	125 Cel	-55 Cel	TIN LEAD	DUAL				DAISY CHAIN INTERRUPT STRUCTURE; PRESCALED /16, /256 TIMER I/P'S	8	6 MHz				4	NMOS	100 mA		5 V		Z80		R-CDIP-T28		Not Qualified		e0
M41ST84Y-85MH6	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			5	SMALL OUTLINE	SOP28,.5	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm			.032 MHz			18.1 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
M41ST95WMH6F	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,.5	Y	2.7 V	85 Cel	-40 Cel		DUAL	3.05 mm		8.56 mm		0	.032 MHz	10	260	18.1 mm	1	CMOS		1/100 SECOND	3 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO
EF68B40P	STMicroelectronics	TIMER, PROGRAMMABLE	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.25 V				IN-LINE			4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL	5.08 mm		15.24 mm	LG-MAX	8				38.1 mm		MOS			5 V			2.54 mm	R-PDIP-T28				e0
M41ST84Y-70MH6TR	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			5	SMALL OUTLINE	SOP28,.5	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm			.032 MHz			18.1 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
M41ST87YSS6	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V		8		SMALL OUTLINE, SHRINK PITCH			4.5 V	85 Cel	-40 Cel		DUAL	2 mm		5.3 mm			.032 MHz			7.2 mm		CMOS			5 V			.65 mm	R-PDSO-G28		Not Qualified
M41ST84Y-70MH6	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			5	SMALL OUTLINE	SOP28,.5	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm			.032 MHz			18.1 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
M41ST84WMH6F	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.6 V			3/3.3	SMALL OUTLINE	SOP28,.5	Y	2.7 V	85 Cel	-40 Cel		DUAL	3.05 mm		8.56 mm			.032 MHz	10	260	18.1 mm	1	CMOS		1/100 SECOND	3 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO
MK48T08B-12	STMicroelectronics		COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL					IN-LINE	DIP28,.6	N		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL											CMOS		SECONDS		Timer or RTC		2.54 mm	R-PDIP-T28		Not Qualified	NO	e0
M41ST85YMX6TR	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	TIN LEAD	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	e0
MK48T85Q24	STMicroelectronics		COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	PARALLEL				5	CHIP CARRIER	LDCC28,.5SQ	Y		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	QUAD											CMOS		SECONDS	5 V	Timer or RTC		1.27 mm	S-PQCC-J28		Not Qualified	YES	e0
MK48T85Q	STMicroelectronics		COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	PARALLEL				5	CHIP CARRIER	LDCC28,.5SQ	Y		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	QUAD											CMOS		SECONDS	5 V	Timer or RTC		1.27 mm	S-PQCC-J28		Not Qualified	YES	e0
MK48T85C24	STMicroelectronics	TIMER, REAL TIME CLOCK	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS/MUXED BUS			8	5	CHIP CARRIER	LDCC28,.5SQ	Y		70 Cel	0 Cel	TIN LEAD	QUAD	4.57 mm		11.5062 mm		8				11.5062 mm	1	CMOS		SECONDS	5 V	Timer or RTC		1.27 mm	S-PQCC-J28		Not Qualified	YES	e0
MK48T08B-20	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	4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL	9.652 mm	8184	15.24 mm		8					0	CMOS	80 mA	SECONDS	5 V	Timer or RTC		2.54 mm	R-PDIP-T28		Not Qualified	NO	e0
Z8430BB1	STMicroelectronics	TIMER, PROGRAMMABLE	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	PARALLEL, DIRECT ADDRESS	5.25 V		8		IN-LINE			4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL	5.08 mm		15.24 mm	DAISY CHAIN INTERRUPT STRUCTURE; PRESCALED /16, /256 TIMER I/P'S	8	6 MHz			37.085 mm	4	NMOS	100 mA		5 V		Z80	2.54 mm	R-PDIP-T28		Not Qualified		e0
Z8430BF1	STMicroelectronics	TIMER, PROGRAMMABLE	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	PARALLEL, DIRECT ADDRESS	5.25 V		8		IN-LINE			4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL				DAISY CHAIN INTERRUPT STRUCTURE; PRESCALED /16, /256 TIMER I/P'S	8	6 MHz				4	NMOS	100 mA		5 V		Z80		R-GDIP-T28		Not Qualified		e0
M41ST85Y-85MH6	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			5	SMALL OUTLINE	SOP28,.5	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm			.032 MHz			18.1 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
M41ST84YMH6	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			5	SMALL OUTLINE	SOP28,.5	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm		0	.032 MHz			18.1 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
M41ST85W-85MH6	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.6 V			3/3.3	SMALL OUTLINE	SOP28,.5	Y	2.7 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm			.032 MHz			18.1 mm	1	CMOS		1/100 SECOND		Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
Z8430AF1	STMicroelectronics	TIMER, PROGRAMMABLE	COMMERCIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	PARALLEL, DIRECT ADDRESS	5.25 V		8		IN-LINE			4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL				DAISY CHAIN INTERRUPT STRUCTURE; PRESCALED /16, /256 TIMER I/P'S	8	4 MHz				4	NMOS	100 mA		5 V		Z80		R-GDIP-T28		Not Qualified		e0
M41ST85YMX6E	STMicroelectronics		INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 2 WIRE/I2C				5	SMALL OUTLINE	SOP28,.4	Y		85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL											CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e4
M41ST87WMX6T	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	NICKEL PALLADIUM GOLD	DUAL	2.69 mm		7.62 mm			.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
Z8430D2	STMicroelectronics	TIMER, PROGRAMMABLE	MILITARY	THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	PARALLEL, DIRECT ADDRESS	5.5 V		8		IN-LINE			4.75 V	125 Cel	-55 Cel	TIN LEAD	DUAL				DAISY CHAIN INTERRUPT STRUCTURE; PRESCALED /16, /256 TIMER I/P'S	8	2.5 MHz				4	NMOS	100 mA		5 V		Z80		R-CDIP-T28		Not Qualified		e0
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
M41ST85Y-85MH6TR	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			5	SMALL OUTLINE	SOP28,.5	Y	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm			.032 MHz			18.1 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
M41ST84W-70MH6TR	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.6 V			3/3.3	SMALL OUTLINE	SOP28,.5	Y	2.8 V	85 Cel	-40 Cel	TIN LEAD	DUAL	3.05 mm		8.56 mm			.032 MHz			18.1 mm	1	CMOS		1/100 SECOND	3 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO	e0
M41ST95YMH6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			5	SMALL OUTLINE	SOP28,.5	Y	4.5 V	85 Cel	-40 Cel		DUAL	3.05 mm		8.56 mm		0	.032 MHz	10	260	18.1 mm	1	CMOS		1/100 SECOND	5 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	NO
Z8430BD6	STMicroelectronics	TIMER, PROGRAMMABLE	INDUSTRIAL	THROUGH-HOLE	28	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	PARALLEL, DIRECT ADDRESS	5.25 V		8		IN-LINE			4.75 V	85 Cel	-40 Cel	TIN LEAD	DUAL				DAISY CHAIN INTERRUPT STRUCTURE; PRESCALED /16, /256 TIMER I/P'S	8	6 MHz				4	NMOS	100 mA		5 V		Z80		R-CDIP-T28		Not Qualified		e0
M41ST84WMH6E	STMicroelectronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	3.6 V			3/3.3	SMALL OUTLINE	SOP28,.5	Y	2.7 V	85 Cel	-40 Cel		DUAL	3.05 mm		8.56 mm			.032 MHz	10	260	18.1 mm	1	CMOS		1/100 SECOND	3 V	Timer or RTC		1.27 mm	R-PDSO-G28		Not Qualified	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.