Clock/temporizzazione - Orologi in tempo reale - Circuiti integrati (CI) - DS1685E-3/T&R DS1306EN/T&R DS1678S/T&R DS1685SN-5/T&R

Numero di parte	Produttore / Marca	Breve descrizione	Stato parte	genere	Caratteristiche	Dimensione della memoria	Formato orario	Formato data	Interfaccia	Tensione - Fornitura	Tensione - Alimentazione, batteria	Corrente - Indicazione dell'ora (max)	temperatura di esercizio	Tipo di montaggio	Pacchetto / caso	Pacchetto dispositivo fornitore
DS1685E-3/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-TSSOP	Obsolete	Clock/Calendar	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.7 V	2.5 V ~ 3.7 V	2mA @ 3V	0°C ~ 70°C	Surface Mount	24-TSSOP (0.173", 4.40mm Width)	24-TSSOP
DS1306EN/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2 V ~ 5.5 V	2 V ~ 5.5 V	25.3µA ~ 81µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1678S/T&R	Maxim Integrated	IC RTC EVENT REC I2C 8-SOIC	Obsolete	Time Event Recorder	Alarm, Leap Year, NVSRAM, Y2K	32B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	4.5 V ~ 5.5 V	2.6 V ~ 3.5 V	-	-40°C ~ 85°C	Surface Mount	8-SOIC (0.209", 5.30mm Width)	8-SO
DS1685SN-5/T&R	Maxim Integrated	IC RTC 5V 64-BIT Y2KC IND 24SOIC	Active	Clock/Calendar	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	3mA @ 5V	-40°C ~ 85°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
DS1685EN-5/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-TSSOP	Discontinued at -	Clock/Calendar	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	3mA @ 5V	-40°C ~ 85°C	Surface Mount	24-TSSOP (0.173", 4.40mm Width)	24-TSSOP
DS1670E/T&R	Maxim Integrated	IC RTC SYSTEM Controller SER 20-TSSOP	Active	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.97 V ~ 3.63 V	2.5 V ~ 3.7 V	100µA @ 3.3V	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1673E-3/T&R	Maxim Integrated	IC RTC SYSTEM Controller SER 20-TSSOP	Obsolete	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.7 V ~ 3.3 V	2.5 V ~ 3.7 V	100µA @ 3V	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1673E-5/T&R	Maxim Integrated	IC RTC SYSTEM Controller SER 20-TSSOP	Obsolete	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	300µA @ 5V	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS17285S-3/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-SOIC	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	2KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.7 V	2.5 V ~ 3.7 V	2mA @ 2.7V ~ 3.7V	0°C ~ 70°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
DS17285S-5/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-SOIC	Discontinued at -	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	2KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
DS1689S-TRL	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Obsolete	Clock/Calendar	NVSRAM	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.3 V, 4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	2mA @ 3V, 3mA @ 5V	0°C ~ 70°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
DS1501WS/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3 V ~ 3.6 V	2.5 V ~ 3.7 V	4mA @ 3V ~ 3.6V	0°C ~ 70°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
DS17285S-3NT	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-SOIC	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	2KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.7 V	2.5 V ~ 3.7 V	2mA @ 2.7V ~ 3.7V	-40°C ~ 85°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
DS1501WE/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-TSOP	Discontinued at -	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3 V ~ 3.6 V	2.5 V ~ 3.7 V	4mA @ 3V ~ 3.6V	0°C ~ 70°C	Surface Mount	28-TSSOP (0.465", 11.80mm Width)	28-TSOP
DS1689SN/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Obsolete	Clock/Calendar	NVSRAM	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.3 V, 4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	2mA @ 3V, 3mA @ 5V	-40°C ~ 85°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
DS1501WSN/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3 V ~ 3.6 V	2.5 V ~ 3.7 V	4mA @ 3V ~ 3.6V	-40°C ~ 85°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
DS1615S/T&R	Maxim Integrated	IC RTC TEMP REC SER 16-SOIC	Obsolete	Temperature Recorder	Alarm, Leap Year, Unique ID, Y2K	32B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	4 V ~ 5.5 V	2.7 V ~ 4.95 V	0.5µA @ 5V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
DS17485S-5/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-SOIC	Discontinued at -	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	4KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
DS1315S-5/T&R	Maxim Integrated	IC RTC PHANTOM PAR 16-SOIC	Obsolete	Phantom Time Chip	Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	1.3mA @ 5V	0°C ~ 70°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
DS1315EN-33/T&R	Maxim Integrated	IC RTC PHANTOM PAR 20-TSSOP	Obsolete	Phantom Time Chip	Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	3 V ~ 3.6 V	2.5 V ~ 3.7 V	1.1mA @ 3.3V	-40°C ~ 85°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1500WEN	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-TSOP	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3 V ~ 3.6 V	2.5 V ~ 3.7 V	4mA @ 3V ~ 3.6V	-40°C ~ 85°C	Surface Mount	32-LFSOP (0.724", 18.40mm Width)	32-TSOP
DS1511Y	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-EDIP	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	5mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP
DS1500YEN	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-TSOP	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	5mA @ 4.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	32-LFSOP (0.724", 18.40mm Width)	32-TSOP
DS1510Y	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-EDIP	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	5mA @ 5V	0°C ~ 70°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP
DS1510W	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-EDIP	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3 V ~ 3.6 V	2.5 V ~ 3.7 V	4mA @ 3.3V	0°C ~ 70°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP
DS1501YEN	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-TSOP	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	5mA @ 4.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	28-TSSOP (0.465", 11.80mm Width)	28-TSOP
DS1687-3	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-EDIP	Obsolete	Clock/Calendar	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.7 V	2.5 V ~ 3.7 V	2mA @ 3V	0°C ~ 70°C	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP
DS1689SN	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Obsolete	Clock/Calendar	NVSRAM	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.3 V, 4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	2mA @ 3V, 3mA @ 5V	-40°C ~ 85°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
DS1500YE	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-TSOP	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	5mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	32-LFSOP (0.724", 18.40mm Width)	32-TSOP
DS1673S-3	Maxim Integrated	IC RTC SYSTEM Controller SER 20-SOIC	Obsolete	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.7 V ~ 3.3 V	2.5 V ~ 3.7 V	100µA @ 3V	0°C ~ 70°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC
DS1673E-5	Maxim Integrated	IC RTC SYSTEM Controller SER 20-TSSOP	Obsolete	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	300µA @ 5V	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1501WSN	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-SOIC	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3 V ~ 3.6 V	2.5 V ~ 3.7 V	4mA @ 3V ~ 3.6V	-40°C ~ 85°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
DS12885T	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-TQFP	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 4 V	15mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	32-TQFP	32-TQFP (7x7)
DS1673E-3	Maxim Integrated	IC RTC SYSTEM Controller SER 20-TSSOP	Obsolete	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.7 V ~ 3.3 V	2.5 V ~ 3.7 V	100µA @ 3V	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1500WE	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-TSOP	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K	256B	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	3 V ~ 3.6 V	2.5 V ~ 3.7 V	4mA @ 3V ~ 3.6V	0°C ~ 70°C	Surface Mount	32-LFSOP (0.724", 18.40mm Width)	32-TSOP
DS1670S	Maxim Integrated	IC RTC SYSTEM Controller SER 20-SOIC	Obsolete	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.97 V ~ 3.63 V	2.5 V ~ 3.7 V	100µA @ 3.3V	0°C ~ 70°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC
DS1670E	Maxim Integrated	IC RTC SYSTEM Controller SER 20-TSSOP	Active	Portable System Controller	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.97 V ~ 3.63 V	2.5 V ~ 3.7 V	100µA @ 3.3V	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS2417P/T&R	Maxim Integrated	IC RTC BINARY CNT SER 6-TSOC	Obsolete	Binary Counter	Unique ID	-	Binary	Binary	1-Wire® Serial	2.5 V ~ 5.5 V	-	0.45µA @ 2.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	6-LSOJ (0.148", 3.76mm Width)	6-TSOC
DS2415X	Maxim Integrated	IC RTC BINARY CNT SER 6-FLIPCHIP	Discontinued at -	Binary Counter	Unique ID	-	Binary	Binary	1-Wire® Serial	2.5 V ~ 5.5 V	2.5 V ~ 5.5 V	0.25µA ~ 0.45µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	6-VBGA, FCBGA	6-FlipChip (2.82x2.54)
DS2417X/T&R	Maxim Integrated	IC RTC BINARY CNT SER 6-FLIPCHIP	Obsolete	Binary Counter	Unique ID	-	Binary	Binary	1-Wire® Serial	2.5 V ~ 5.5 V	-	0.45µA @ 2.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	6-VBGA, FCBGA	6-FlipChip (2.82x2.54)
DS1248Y-70IND	Maxim Integrated	IC RTC PHANTOM PAR 32-DIP	Obsolete	Phantom Time Chip	NVSRAM	128KB	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	10mA @ 5V	-40°C ~ 85°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP
DS1251YP-70IND	Maxim Integrated	IC SRAM W/RTC 4MEG 70NS 34-PCM	Active	Phantom Time Chip	Leap Year, NVSRAM	512kb	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	3V	10mA @ 5V	-40°C ~ 85°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module
DS1315EN-5/T&R	Maxim Integrated	IC RTC PHANTOM PAR 20-TSSOP	Discontinued at -	Phantom Time Chip	Leap Year	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	1.3mA @ 5V	-40°C ~ 85°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1337	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-DIP	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8 V ~ 5.5 V	-	0.6µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
DS1337S	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8 V ~ 5.5 V	-	0.6µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1337S/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8 V ~ 5.5 V	-	0.6µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1337U	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8 V ~ 5.5 V	-	0.6µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1337U/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.8 V ~ 5.5 V	-	0.6µA @ 1.3V ~ 1.8V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1338U-18	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Obsolete	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.71 V ~ 5.5 V	1.3 V ~ 3.7 V	100µA @ 1.89V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1338U-3	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Obsolete	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.7 V ~ 5.5 V	1.3 V ~ 3.7 V	200µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX