Clock/temporizzazione - Orologi in tempo reale - Circuiti integrati (CI) - DS1338U-33 DS1338U-33/T&R DS1338Z-18 DS1338Z-3

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
DS1338U-33	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	3 V ~ 5.5 V	1.3 V ~ 3.7 V	125µA ~ 200µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1338U-33/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Active	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	3 V ~ 5.5 V	1.3 V ~ 3.7 V	125µA ~ 200µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1338Z-18	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-SOIC	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-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1338Z-3	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-SOIC	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-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1338Z-33	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Obsolete	Clock/Calendar	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	3 V ~ 5.5 V	1.3 V ~ 3.7 V	125µA ~ 200µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1340U-18	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Obsolete	Clock/Calendar	Leap Year, Trickle-Charger	-	HH:MM:SS (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
DS1340U-3	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Obsolete	Clock/Calendar	Leap Year, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.7 V ~ 5.5 V	1.3 V ~ 3.7 V	125µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1340U-33	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Obsolete	Clock/Calendar	Leap Year, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.97 V ~ 5.5 V	1.3 V ~ 5.5 V	150µA @ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1340U-33/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Obsolete	Clock/Calendar	Leap Year, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.97 V ~ 5.5 V	1.3 V ~ 5.5 V	150µA @ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1340Z-18	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Obsolete	Clock/Calendar	Leap Year, Trickle-Charger	-	HH:MM:SS (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-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1340Z-3	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Obsolete	Clock/Calendar	Leap Year, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.7 V ~ 5.5 V	1.3 V ~ 3.7 V	125µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1340Z-33	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Obsolete	Clock/Calendar	Leap Year, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.97 V ~ 5.5 V	1.3 V ~ 5.5 V	150µA @ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1340Z-33/T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Obsolete	Clock/Calendar	Leap Year, Trickle-Charger	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.97 V ~ 5.5 V	1.3 V ~ 5.5 V	150µA @ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1501WEN/T&R	Maxim Integrated	IC RTC WDOG Y2K 3.3V IND 28-TSOP	Active	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-TSSOP (0.465", 11.80mm Width)	28-TSOP
DS1554-70IND	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-EDIP	Discontinued at -	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	6mA @ 5V	-40°C ~ 85°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP
DS1554P-70IND	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 34-PCM	Discontinued at -	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	3V	6mA @ 5V	-40°C ~ 85°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module
DS1554W-120IND	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-EDIP	Discontinued at -	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	-	4mA @ 3.3V	-40°C ~ 85°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP
DS1554WP-120IND	Maxim Integrated	IC RTC RAM Y2K 3.3V 120NS 34-PCM	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	3V	4mA @ 3.3V	-40°C ~ 85°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module
DS1556WP-120IND	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 34-PCM	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	128KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	3V	4mA @ 3.3V	-40°C ~ 85°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module
DS1558W	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 48-LQFP	Obsolete	Clock/Calendar	Alarm, Leap Year, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	2.5 V ~ 3.7 V	2mA @ 3.3V	-40°C ~ 85°C	Surface Mount	48-LQFP	48-LQFP/48-TQFP (7x7)
DS1558W-TRL	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 48-LQFP	Obsolete	Clock/Calendar	Alarm, Leap Year, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	2.5 V ~ 3.7 V	2mA @ 3.3V	-40°C ~ 85°C	Surface Mount	48-LQFP	48-LQFP/48-TQFP (7x7)
DS1558Y	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 48-LQFP	Obsolete	Clock/Calendar	Alarm, Leap Year, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	6mA @ 5V	-40°C ~ 85°C	Surface Mount	48-LQFP	48-LQFP/48-TQFP (7x7)
DS1558Y-TRL	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 48-LQFP	Obsolete	Clock/Calendar	Alarm, Leap Year, Watchdog Timer, Y2K	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	6mA @ 5V	-40°C ~ 85°C	Surface Mount	48-LQFP	48-LQFP/48-TQFP (7x7)
DS1685EN-3/T&R	Maxim Integrated	IC RTC 3V 64BIT Y2K IND 24TSSOP	Active	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	-40°C ~ 85°C	Surface Mount	24-TSSOP (0.173", 4.40mm Width)	24-TSSOP
DS1742-100IND	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-EDIP	Discontinued at -	Clock/Calendar	Leap Year, NVSRAM, Y2K	2KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	3mA @ 5V	-40°C ~ 85°C	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP
DS1743-100 IND	Maxim Integrated	IC RTC RAM Y2K 5V 100NS 28-EDIP	Active	Clock/Calendar	Leap Year, NVSRAM, Y2K	8KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	3mA @ 5V	-40°C ~ 85°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP
DS17887-3-IND	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-EDIP	Obsolete	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	8KB	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	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP
MAX6902ETA+T	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 8-TDFN	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Y2K	31B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2 V ~ 5.5 V	-	1.05µA ~ 4.2µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	8-WDFN Exposed Pad	8-TDFN (3x3)
DS1284QN+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-PLCC	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	50B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.4 V ~ 3.5 V	7mA @ 5V	-40°C ~ 85°C	Surface Mount	28-LCC (J-Lead)	28-PLCC (11.51x11.51)
DS1384FP-12+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 44-MQFP	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Watchdog Timer	50B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.4 V ~ 4 V	3mA @ 5V	0°C ~ 70°C	Surface Mount	44-QFP	44-MQFP (10x10)
DS14285Q+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-PLCC	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 ~ 3.6 V	0.5µA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	28-LCC (J-Lead)	28-PLCC (11.51x11.51)
DS1742W-150+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-EDIP	Obsolete	Clock/Calendar	Leap Year, NVSRAM, Y2K	2KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	-	2mA @ 3.3V	0°C ~ 70°C	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP
DS1743-70+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-EDIP	Active	Clock/Calendar	Leap Year, NVSRAM, Y2K	8KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	3mA @ 5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP
DS1743-100+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-EDIP	Obsolete	Clock/Calendar	Leap Year, NVSRAM, Y2K	8KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	3mA @ 5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP
DS1743P-100+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 34-PCM	Obsolete	Clock/Calendar	Leap Year, NVSRAM, Y2K	8KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	3V	3mA @ 5V	0°C ~ 70°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module
DS1284Q+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-PLCC	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	50B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.4 V ~ 3.5 V	7mA @ 5V	0°C ~ 70°C	Surface Mount	28-LCC (J-Lead)	28-PLCC (11.51x11.51)
DS1284+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-DIP	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	50B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.4 V ~ 3.5 V	7mA @ 5V	0°C ~ 70°C	Through Hole	28-DIP (0.600", 15.24mm)	28-PDIP
DS1286+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-EDIP	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer	50B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.4 V ~ 3.5 V	7mA @ 5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.61", 15.49mm), 23 Leads	28-EDIP
DS1386-32-120+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-DIP	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer	32KB	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	4mA @ 5V	0°C ~ 70°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP
DS14287+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-EDIP	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 ~ 3.6 V	0.5µA @ 4.5V ~ 5.5V	0°C ~ 70°C	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP
DS1486-120+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-EDIP	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer	128KB	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	4mA @ 5V	0°C ~ 70°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP
DS1501WEN+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-TSOP	Active	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-TSSOP (0.465", 11.80mm Width)	28-TSOP
DS1501WE+	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	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
DS1602S+	Maxim Integrated	IC RTC ELAPSED CNT SER 8-SOIC	Obsolete	Elapsed Time Counter	-	-	Binary	Binary	3-Wire Serial	4.5 V ~ 5.5 V	2.5 V ~ 3.5 V	50µA @ 5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.209", 5.30mm Width)	8-SO
DS1602+	Maxim Integrated	IC RTC ELAPSED CNT SER 8-DIP	Obsolete	Elapsed Time Counter	-	-	Binary	Binary	3-Wire Serial	4.5 V ~ 5.5 V	2.5 V ~ 3.5 V	50µA @ 5V	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
DS1603+	Maxim Integrated	IC RTC ELAPSED CNT SER 7-SIP	Obsolete	Elapsed Time Counter	-	-	Binary	Binary	3-Wire Serial	4.5 V ~ 5.5 V	3 V ~ 4.5 V	50µA @ 5V	0°C ~ 70°C	Through Hole	14-DIP Module (0.335", 8.51mm)	14-EDIP
DS1642-100+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-EDIP	Obsolete	Clock/Calendar	Leap Year, NVSRAM	2KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	3mA @ 5V	0°C ~ 70°C	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP
DS1643-100+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-EDIP	Obsolete	Clock/Calendar	Leap Year, NVSRAM	8KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	3mA @ 5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP
DS1644-120+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-EDIP	Obsolete	Clock/Calendar	Leap Year, NVSRAM	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	4mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP
DS1644P-120+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 34-PCM	Obsolete	Clock/Calendar	Leap Year, NVSRAM	32KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	3V	4mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module