クロック／タイミング－リアルタイムクロック - 集積回路（IC） - DS1554P-70+ DS1554P-70IND+ DS1746W-120IND+ DS1747P-70+

品番	メーカー/ブランド	簡単な説明	部品ステータス	タイプ	特徴	メモリー容量	時間形式	日付形式	インタフェース	電圧 - 供給	電圧供給、バッテリ	電流 - 計時（最大）	動作温度	取付タイプ	パッケージ/ケース	サプライヤデバイスパッケージ
DS1554P-70+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 34-PCM	Active	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	0°C ~ 70°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module
DS1554P-70IND+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 34-PCM	Active	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
DS1746W-120IND+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-EDIP	Active	Clock/Calendar	Leap Year, NVSRAM, Y2K	128KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	-	2mA @ 3.3V	-40°C ~ 85°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP
DS1747P-70+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 34-PCM	Active	Clock/Calendar	Leap Year, NVSRAM, Y2K	512KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	3V	4mA @ 5V	0°C ~ 70°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module
DS1556-70IND+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-EDIP	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	128KB	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
DS1672S-3+T&R	Maxim Integrated	IC RTC BINARY CNT I2C 8-SOIC	Active	Binary Counter	Trickle-Charger	-	Binary	Binary	I²C, 2-Wire Serial	2.7 V ~ 3.3 V	1.3 V ~ 3.63 V	500µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
DS1342T+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 6-TDFN	Active	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 ~ 0.7µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-WDFN Exposed Pad	8-TDFN (3x3)
DS1340U-3+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Active	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-uSOP
DS1344E-18+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.71 V ~ 5.5 V	1.3 V ~ 5.5 V	-	-40°C ~ 85°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1342U+	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Active	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 ~ 0.7µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1672S-3+	Maxim Integrated	IC RTC BINARY CNT I2C 8-SOIC	Active	Binary Counter	Trickle-Charger	-	Binary	Binary	I²C, 2-Wire Serial	2.7 V ~ 3.3 V	1.3 V ~ 3.63 V	500µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1672-2+	Maxim Integrated	IC RTC BINARY CNT I2C 8-DIP	Active	Binary Counter	Trickle-Charger	-	Binary	Binary	I²C, 2-Wire Serial	1.8 V ~ 2.2 V	1.3 V ~ 3.63 V	500µA @ 2.2V	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
DS1672-33+	Maxim Integrated	IC RTC BINARY CNT I2C 8-DIP	Active	Binary Counter	Trickle-Charger	-	Binary	Binary	I²C, 2-Wire Serial	2.97 V ~ 3.63 V	1.3 V ~ 3.63 V	500µA @ 3.63V	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
DS1340U-3+	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Active	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
DS1392U-3+	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 10-USOP	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.7 V ~ 3.3 V	1.3 V ~ 3.7 V	125µA @ 2.7V ~ 3.3V	-40°C ~ 85°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-uMAX
DS1393U-3+	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 10-USOP	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.7 V ~ 3.3 V	1.3 V ~ 3.7 V	125µA @ 2.7V ~ 3.3V	-40°C ~ 85°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-uMAX
DS1392U-18+	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 10-USOP	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	1.71 V ~ 1.89 V	1.3 V ~ 3.7 V	100µA @ 1.71V ~ 1.89V	-40°C ~ 85°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-uMAX
DS1374U-3+	Maxim Integrated	IC RTC BINARY CNT I2C 10-USOP	Active	Binary Counter	Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer	-	Binary	Binary	I²C, 2-Wire Serial	2.7 V ~ 3.3 V	1.3 V ~ 3.7 V	125µA @ 2.7V ~ 3.3V	-40°C ~ 85°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-uMAX
DS1672U-2+	Maxim Integrated	IC RTC BINARY CNT I2C 8-USOP	Active	Binary Counter	Trickle-Charger	-	Binary	Binary	I²C, 2-Wire Serial	1.8 V ~ 2.2 V	1.3 V ~ 3.63 V	500µA @ 2.2V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1344E-3+	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2.7 V ~ 5.5 V	1.3 V ~ 5.5 V	-	-40°C ~ 85°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1685Q-3+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 28-PLCC	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	0°C ~ 70°C	Surface Mount	28-LCC (J-Lead)	28-PLCC (11.51x11.51)
DS1685-3+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-DIP	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	0°C ~ 70°C	Through Hole	24-DIP (0.600", 15.24mm)	24-PDIP
DS17285SN-5+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-SOIC	Active	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	-40°C ~ 85°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
DS17285SN-3+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-SOIC	Active	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
DS1558Y+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 48-LQFP	Active	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)
DS1315-33+	Maxim Integrated	IC RTC PHANTOM PAR 16-DIP	Active	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	0°C ~ 70°C	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP
DS1315SN-5+	Maxim Integrated	IC RTC PHANTOM PAR 16-SOIC	Active	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	16-SOIC (0.295", 7.50mm Width)	16-SOIC
DS17885S-3+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-SOIC	Active	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	0°C ~ 70°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
DS17885S-5+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-SOIC	Active	Clock/Calendar	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	8KB	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
DS1315SN-33+	Maxim Integrated	IC RTC PHANTOM PAR 16-SOIC	Active	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	16-SOIC (0.295", 7.50mm Width)	16-SOIC
DS1315EN-5+	Maxim Integrated	IC RTC PHANTOM PAR 20-TSSOP	Active	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
DS1554-70IND+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 32-EDIP	Active	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
DS1557WP-120+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 34-PCM	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	512KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	3V	4mA @ 3.3V	0°C ~ 70°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module
DS1747WP-120IND+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 34-PCM	Active	Clock/Calendar	Leap Year, NVSRAM, Y2K	512KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	3V	2mA @ 3.3V	-40°C ~ 85°C	Surface Mount	34-PowerCap™ Module	34-PowerCap Module
DS1344D-3+T&R	Maxim Integrated	IC RTC CLOCK/CAL SPI 14TDFN	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2.7 V ~ 5.5 V	1.3 V ~ 5.5 V	-	-40°C ~ 85°C	Surface Mount	14-WFDFN Exposed Pad	14-TDFN-EP (3x3)
DS1672S-2+	Maxim Integrated	IC RTC BINARY CNT I2C 8-SOIC	Active	Binary Counter	Trickle-Charger	-	Binary	Binary	I²C, 2-Wire Serial	1.8 V ~ 2.2 V	1.3 V ~ 3.63 V	500µA @ 2.2V	-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	Active	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
DS12R885S-5+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-SOIC	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger	114B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2 V ~ 3.05 V	2mA @ 4.5V ~ 5.5V	-40°C ~ 85°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
DS17487-5IND+	Maxim Integrated	IC RTC CLOCK/CALENDAR PAR 24-EDIP	Active	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	-40°C ~ 85°C	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP
DS1342U+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Active	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 ~ 0.7µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1341U+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 8-USOP	Active	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	-	0.5µA ~ 0.6µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
DS1302S+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 8-SOIC	Active	Clock/Calendar	Leap Year, NVSRAM, Trickle-Charger	31B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2 V ~ 5.5 V	2 V ~ 5.5 V	0.3µA ~ 1µA @ 2V ~ 5V	0°C ~ 70°C	Surface Mount	8-SOIC (0.209", 5.30mm Width)	8-SO
DS1393U-18+	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 10-USOP	Obsolete	Clock/Calendar	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	1.71 V ~ 1.89 V	1.3 V ~ 3.7 V	100µA @ 1.71V ~ 1.89V	-40°C ~ 85°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-uMAX
DS1343E-18+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.71 V ~ 5.5 V	1.3 V ~ 5.5 V	-	-40°C ~ 85°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1343D-18+T&R	Maxim Integrated	IC RTC CLOCK/CAL SPI 14TDFN	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.71 V ~ 5.5 V	1.3 V ~ 5.5 V	-	-40°C ~ 85°C	Surface Mount	14-WFDFN Exposed Pad	14-TDFN-EP (3x3)
DS1343E-3+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2.7 V ~ 5.5 V	1.3 V ~ 5.5 V	-	-40°C ~ 85°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1344E-3+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2.7 V ~ 5.5 V	1.3 V ~ 5.5 V	-	-40°C ~ 85°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1344D-33+T&R	Maxim Integrated	IC RTC CLOCK/CAL SPI 14TDFN	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	3 V ~ 5.5 V	1.3 V ~ 5.5 V	120µA ~ 160µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	14-WFDFN Exposed Pad	14-TDFN-EP (3x3)
DS1343D-33+T&R	Maxim Integrated	IC RTC CLOCK/CAL SPI 14TDFN	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	3 V ~ 5.5 V	1.3 V ~ 5.5 V	120µA ~ 160µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	14-WFDFN Exposed Pad	14-TDFN-EP (3x3)
DS1344D-18+T&R	Maxim Integrated	IC RTC CLOCK/CAL SPI 14TDFN	Active	Clock/Calendar	Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.71 V ~ 5.5 V	1.3 V ~ 5.5 V	-	-40°C ~ 85°C	Surface Mount	14-WFDFN Exposed Pad	14-TDFN-EP (3x3)