Voltage - Supply is 2 V ~ 5.5 V - Clock/Timing - Real Time Clocks Distributor - DS1302 DS1302+ DS1302N

Part Number	Manufacturer / Brand	Brife Description	Part Status	Type	Features	Memory Size	Time Format	Date Format	Interface	Voltage - Supply	Voltage - Supply, Battery	Current - Timekeeping (Max)	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
DS1302	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 8-DIP	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	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
DS1302+	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 8-DIP	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	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
DS1302N	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 8-DIP	Obsolete	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	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
DS1302N+	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 8-DIP	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	-40°C ~ 85°C	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
DS1302S	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 8-SOIC	Obsolete	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
DS1302S+	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
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
DS1302SN	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 8-SOIC	Obsolete	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	-40°C ~ 85°C	Surface Mount	8-SOIC (0.209", 5.30mm Width)	8-SO
DS1302SN+	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	-40°C ~ 85°C	Surface Mount	8-SOIC (0.209", 5.30mm Width)	8-SO
DS1302SN+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	-40°C ~ 85°C	Surface Mount	8-SOIC (0.209", 5.30mm Width)	8-SO
DS1302Z	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 8-SOIC	Obsolete	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 (0.154", 3.90mm Width)	8-SOIC
DS1302Z+	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 (0.154", 3.90mm Width)	8-SOIC
DS1302Z+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 (0.154", 3.90mm Width)	8-SOIC
DS1302ZN	Maxim Integrated	IC RTC CLOCK/CALENDAR SER 8-SOIC	Obsolete	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	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1302ZN+	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	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1302ZN+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	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS1305E	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Obsolete	Clock/Calendar	Alarm, Leap Year, NVSRAM, 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	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1305E+	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, 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	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1305E+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, 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	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1305EN	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, 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
DS1305EN+	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, 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
DS1305EN+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, 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
DS1305N	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 16-DIP	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, 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	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP
DS1305N+	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 16-DIP	Active	Clock/Calendar	Alarm, Leap Year, NVSRAM, 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	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP
DS1306	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 16-DIP	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	0°C ~ 70°C	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP
DS1306E	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	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1306E+	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	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	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1306E+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	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	0°C ~ 70°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
DS1306EN	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
DS1306EN+	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	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
DS1306EN+T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-TSSOP	Active	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
DS1306N	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 16-DIP	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	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP
DS1306N+	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 16-DIP	Active	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	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP
DS1347T+	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 8-TDFN	Active	Clock/Calendar	Alarm, Leap Year, SRAM	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2 V ~ 5.5 V	-	0.7µA ~ 0.8µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	8-WDFN Exposed Pad	8-TDFN (3x3)
DS3234S#	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-SOIC	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal	256B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2 V ~ 5.5 V	2 V ~ 3.8 V	120µA ~ 160µA @ 3.63V ~ 5.5V	0°C ~ 70°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC
DS3234SN#	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-SOIC	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal	256B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2 V ~ 5.5 V	2 V ~ 3.8 V	120µA ~ 160µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC
DS3234SN#T&R	Maxim Integrated	IC RTC CLOCK/CALENDAR SPI 20-SOIC	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal	256B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	2 V ~ 5.5 V	2 V ~ 3.8 V	120µA ~ 160µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC
M41T00M6E	STMicroelectronics	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Obsolete	Clock/Calendar	Leap Year	-	HH:MM:SS	YY-MM-DD-dd	I²C, 2-Wire Serial	2 V ~ 5.5 V	2.5 V ~ 3.5 V	70µA @ 2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T00M6F	STMicroelectronics	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Active	Clock/Calendar	Leap Year	-	HH:MM:SS	YY-MM-DD-dd	I²C, 2-Wire Serial	2 V ~ 5.5 V	2.5 V ~ 3.5 V	70µA @ 2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T01M6F	STMicroelectronics	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Active	Clock/Calendar	Leap Year	-	HH:MM:SS	YY-MM-DD-dd	I²C, 2-Wire Serial	2 V ~ 5.5 V	2.5 V ~ 3.5 V	70µA @ 2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T0DS6F	STMicroelectronics	IC RTC CLOCK/CALENDAR I2C 8-TSSOP	Obsolete	Clock/Calendar	-	-	HH:MM:SS	YY-MM-DD-dd	I²C, 2-Wire Serial	2 V ~ 5.5 V	-	1.2µA ~ 31µA @ 3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	-
M41T0M6E	STMicroelectronics	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Obsolete	Clock/Calendar	-	-	HH:MM:SS	YY-MM-DD-dd	I²C, 2-Wire Serial	2 V ~ 5.5 V	-	1.2µA ~ 31µA @ 3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T0M6F	STMicroelectronics	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Active	Clock/Calendar	-	-	HH:MM:SS	YY-MM-DD-dd	I²C, 2-Wire Serial	2 V ~ 5.5 V	-	1.2µA ~ 31µA @ 3V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T11M6E	STMicroelectronics	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Obsolete	Clock/Calendar	Leap Year, NVSRAM	56B	HH:MM:SS	YY-MM-DD-dd	I²C, 2-Wire Serial	2 V ~ 5.5 V	2.5 V ~ 3.5 V	70µA @ 2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T11M6F	STMicroelectronics	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Active	Clock/Calendar	Leap Year, NVSRAM	56B	HH:MM:SS	YY-MM-DD-dd	I²C, 2-Wire Serial	2 V ~ 5.5 V	2.5 V ~ 3.5 V	70µA @ 2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
M41T11MH6E	STMicroelectronics	IC RTC CLOCK/CALENDAR I2C 28-SOIC	Obsolete	Clock/Calendar	Leap Year, NVSRAM	56B	HH:MM:SS	YY-MM-DD-dd	I²C, 2-Wire Serial	2 V ~ 5.5 V	2.5 V ~ 3.5 V	70µA @ 2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH
M41T11MH6F	STMicroelectronics	IC RTC CLOCK/CALENDAR I2C 28-SOIC	Active	Clock/Calendar	Leap Year, NVSRAM	56B	HH:MM:SS	YY-MM-DD-dd	I²C, 2-Wire Serial	2 V ~ 5.5 V	2.5 V ~ 3.5 V	70µA @ 2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH
M41T80M6F	STMicroelectronics	IC RTC CLOCK/CALENDAR I2C 8-SOIC	Active	Clock/Calendar	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS:hh (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2 V ~ 5.5 V	-	2.4µA ~ 31µA @ 2V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
MAX6900ETT+T	Maxim Integrated	IC RTC CLOCK/CALENDAR I2C 6-TDFN	Obsolete	Clock/Calendar	Leap Year, NVSRAM	31B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2 V ~ 5.5 V	-	0.63µA ~ 1.7µA	-40°C ~ 85°C	Surface Mount	6-WDFN Exposed Pad	6-TDFN-EP (3x3)
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)

Manufacturers for Clock/Timing - Real Time Clocks