Page 22 - Clock/Timing - Real Time Clocks | Integrated Circuits (ICs)

1338C-31SRI
IDT, Integrated Device Technology Inc

IC RTC CLK/CALENDAR I2C 16-SOIC

Package: 16-SOIC (0.295", 7.50mm Width)

Stock6,640
DS1743-100IND+
Maxim Integrated

IC RTC CLK/CALENDAR PAR 28-EDIP

Package: 28-DIP Module (0.600", 15.24mm)

Stock6,160
DS1602+
Maxim Integrated

IC RTC ELAPSED CNT SER 8-DIP

Package: 8-DIP (0.300", 7.62mm)

Stock6,624
M48T129Y-70PM1
STMicroelectronics

IC RTC CLK/CALENDAR PAR 32-DIP

Package: 32-DIP Module (0.600", 15.24mm)

Stock4,848
DS17485S-5/T&R
Maxim Integrated

IC RTC CLK/CALENDAR PAR 24-SOIC

Package: 24-SOIC (0.295", 7.50mm Width)

Stock4,928
DS1306E/T&R
Maxim Integrated

IC RTC CLK/CALENDAR SPI 20-TSSOP

Package: 20-TSSOP (0.173", 4.40mm Width)

Stock5,328
DS1643-70
Maxim Integrated

IC RTC CLK/CALENDAR PAR 28-EDIP

Package: 28-DIP Module (0.600", 15.24mm)

Stock5,424
DS17287-5
Maxim Integrated

IC RTC CLK/CALENDAR PAR 24-EDIP

Package: 24-DIP Module (0.600", 15.24mm)

Stock7,200
DS1685EN-3+T&R
Maxim Integrated

IC RTC CLK/CALENDAR PAR 24-TSSOP

Package: 24-TSSOP (0.173", 4.40mm Width)

Stock6,224
ISL12024IVZ-T
Intersil

IC RTC CLK/CALENDAR I2C 8-TSSOP

Package: 8-TSSOP (0.173", 4.40mm Width)

Stock7,552
1337GDCGI8
IDT, Integrated Device Technology Inc

IC RTC CLK/CALENDAR I2C 8-SOIC

Package: 8-SOIC (0.154", 3.90mm Width)

Stock3,152
MCP79412T-I/MNY
Microchip Technology

IC RTC CLK/CALENDAR I2C 8-TDFN

Package: 8-WFDFN Exposed Pad

Stock3,952
MCP79400T-I/MNY
Microchip Technology

IC RTC CLK/CALENDAR I2C 8-TDFN

Package: 8-WFDFN Exposed Pad

Stock3,408
PCF2123U/10AA/1,00
NXP

IC RTC CLK/CALENDAR SPI DIE

Package: Die

Stock6,496
DS1340U-33+T&R
Maxim Integrated

IC RTC CLK/CALENDAR I2C 8-USOP

Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Stock4,560
DS1244W-120+
Maxim Integrated

IC RTC PHANTOM PAR 28-DIP

Package: 28-DIP Module (0.600", 15.24mm)

Stock7,120
BQ4802LYDW
Texas Instruments

IC RTC CLK/CALENDAR PAR 28-SOIC

Package: 28-SOIC (0.295", 7.50mm Width)

Stock63,492
ISL12027IB27Z-T
Intersil

IC RTC CLK/CALENDAR I2C 8-SOIC

Package: 8-SOIC (0.154", 3.90mm Width)

Stock13,728
ISL12026IBZ-T7A
Intersil

IC RTC CLK/CALENDAR I2C 8-SOIC

Package: 8-SOIC (0.154", 3.90mm Width)

Stock7,656
DS3231S#
Maxim Integrated

IC RTC CLK/CALENDAR I2C 16-SOIC

Package: 16-SOIC (0.295", 7.50mm Width)

Stock67,344

Part Number	Manufacturer	Description	Package	Stock	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
1338C-31SRI	IDT, Integrated Device Technology Inc	IC RTC CLK/CALENDAR I2C 16-SOIC Type: Clock/Calendar Features: Leap Year, NVSRAM, Square Wave Output Memory Size: 56B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 3.3 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 3.7 V Current - Timekeeping (Max): 5µA @ 3.63V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 16-SOIC (0.295", 7.50mm Width) Supplier Device Package: 16-SOIC	Package: 16-SOIC (0.295", 7.50mm Width)	Stock6,640	Leap Year, NVSRAM, Square Wave Output	56B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	3.3 V ~ 5.5 V	1.3 V ~ 3.7 V	5µA @ 3.63V ~ 5.5V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
DS1743-100IND+	Maxim Integrated	IC RTC CLK/CALENDAR PAR 28-EDIP Type: Clock/Calendar Features: Leap Year, NVSRAM, Y2K Memory Size: 8KB Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 3mA @ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Through Hole Package / Case: 28-DIP Module (0.600", 15.24mm) Supplier Device Package: 28-EDIP	Package: 28-DIP Module (0.600", 15.24mm)	Stock6,160	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
DS1602+	Maxim Integrated	IC RTC ELAPSED CNT SER 8-DIP Type: Elapsed Time Counter Features: - Memory Size: - Time Format: Binary Date Format: Binary Interface: 3-Wire Serial Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: 2.5 V ~ 3.5 V Current - Timekeeping (Max): 50µA @ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Through Hole Package / Case: 8-DIP (0.300", 7.62mm) Supplier Device Package: 8-PDIP	Package: 8-DIP (0.300", 7.62mm)	Stock6,624	-	-	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
M48T129Y-70PM1	STMicroelectronics	IC RTC CLK/CALENDAR PAR 32-DIP Type: Clock/Calendar Features: Alarm, Leap Year, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 4mA @ 4.5V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 32-DIP Module (0.600", 15.24mm) Supplier Device Package: 32-PMDIP	Package: 32-DIP Module (0.600", 15.24mm)	Stock4,848	Alarm, Leap Year, Watchdog Timer	-	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	32-DIP Module (0.600", 15.24mm)	32-PMDIP
DS17485S-5/T&R	Maxim Integrated	IC RTC CLK/CALENDAR PAR 24-SOIC Type: Clock/Calendar Features: Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Memory Size: 4KB Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: 2.5 V ~ 3.7 V Current - Timekeeping (Max): 3mA @ 4.5V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 24-SOIC (0.295", 7.50mm Width) Supplier Device Package: 24-SOIC	Package: 24-SOIC (0.295", 7.50mm Width)	Stock4,928	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
DS1306E/T&R	Maxim Integrated	IC RTC CLK/CALENDAR SPI 20-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Memory Size: 96B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 2 V ~ 5.5 V Voltage - Supply, Battery: 2 V ~ 5.5 V Current - Timekeeping (Max): 25.3µA ~ 81µA @ 2V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 20-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 20-TSSOP	Package: 20-TSSOP (0.173", 4.40mm Width)	Stock5,328	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
DS1643-70	Maxim Integrated	IC RTC CLK/CALENDAR PAR 28-EDIP Type: Clock/Calendar Features: Leap Year, NVSRAM Memory Size: 8KB Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 3mA @ 5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 28-DIP Module (0.600", 15.24mm) Supplier Device Package: 28-EDIP	Package: 28-DIP Module (0.600", 15.24mm)	Stock5,424	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
DS17287-5	Maxim Integrated	IC RTC CLK/CALENDAR PAR 24-EDIP Type: Clock/Calendar Features: Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Memory Size: 2KB Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: 2.5 V ~ 3.7 V Current - Timekeeping (Max): 3mA @ 4.5V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 24-DIP Module (0.600", 15.24mm) Supplier Device Package: 24-EDIP	Package: 24-DIP Module (0.600", 15.24mm)	Stock7,200	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	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP
DS1685EN-3+T&R	Maxim Integrated	IC RTC CLK/CALENDAR PAR 24-TSSOP Type: Clock/Calendar Features: Alarm, NVSRAM, Square Wave Output, Y2K Memory Size: 242B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 2.7 V ~ 3.7 V Voltage - Supply, Battery: 2.5 V ~ 3.7 V Current - Timekeeping (Max): 2mA @ 3V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 24-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 24-TSSOP	Package: 24-TSSOP (0.173", 4.40mm Width)	Stock6,224	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
ISL12024IVZ-T	Intersil	IC RTC CLK/CALENDAR I2C 8-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, Unique ID Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA ~ 20µA @ 2.7V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 8-TSSOP	Package: 8-TSSOP (0.173", 4.40mm Width)	Stock7,552	Alarm, Leap Year, Unique ID	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA ~ 20µA @ 2.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP
1337GDCGI8	IDT, Integrated Device Technology Inc	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.8 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.6µA @ 1.3V ~ 1.8V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SOIC	Package: 8-SOIC (0.154", 3.90mm Width)	Stock3,152	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
MCP79412T-I/MNY	Microchip Technology	IC RTC CLK/CALENDAR I2C 8-TDFN Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Memory Size: 64B, 1Kb Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.8 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 5.5 V Current - Timekeeping (Max): 1.2µA @ 3.3V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-WFDFN Exposed Pad Supplier Device Package: 8-TDFN (2x3)	Package: 8-WFDFN Exposed Pad	Stock3,952	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B, 1Kb	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8 V ~ 5.5 V	1.3 V ~ 5.5 V	1.2µA @ 3.3V	-40°C ~ 85°C	Surface Mount	8-WFDFN Exposed Pad	8-TDFN (2x3)
MCP79400T-I/MNY	Microchip Technology	IC RTC CLK/CALENDAR I2C 8-TDFN Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Memory Size: 64B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.8 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 5.5 V Current - Timekeeping (Max): 1.2µA (Typ) @ 3.3V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-WFDFN Exposed Pad Supplier Device Package: 8-TDFN (2x3)	Package: 8-WFDFN Exposed Pad	Stock3,408	Alarm, Leap Year, Square Wave Output, SRAM, Unique ID	64B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8 V ~ 5.5 V	1.3 V ~ 5.5 V	1.2µA (Typ) @ 3.3V	-40°C ~ 85°C	Surface Mount	8-WFDFN Exposed Pad	8-TDFN (2x3)
PCF2123U/10AA/1,00	NXP	IC RTC CLK/CALENDAR SPI DIE Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 1.6 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.33µA ~ 0.38µA @ 2V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: Die Supplier Device Package: Die	Package: Die	Stock6,496	Alarm, Leap Year, Square Wave Output, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.6 V ~ 5.5 V	-	0.33µA ~ 0.38µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	Die	Die
DS1340U-33+T&R	Maxim Integrated	IC RTC CLK/CALENDAR I2C 8-USOP Type: Clock/Calendar Features: Leap Year, Trickle-Charger Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.97 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 5.5 V Current - Timekeeping (Max): 150µA @ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Supplier Device Package: 8-uMAX	Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Stock4,560	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
DS1244W-120+	Maxim Integrated	IC RTC PHANTOM PAR 28-DIP Type: Phantom Time Chip Features: Leap Year, NVSRAM Memory Size: 32KB Time Format: HH:MM:SS:hh (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 2.97 V ~ 3.63 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 7mA @ 3.3V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 28-DIP Module (0.600", 15.24mm) Supplier Device Package: 28-EDIP	Package: 28-DIP Module (0.600", 15.24mm)	Stock7,120	Leap Year, NVSRAM	32KB	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	-	7mA @ 3.3V	0°C ~ 70°C	Through Hole	28-DIP Module (0.600", 15.24mm)	28-EDIP
BQ4802LYDW	Texas Instruments	IC RTC CLK/CALENDAR PAR 28-SOIC Type: Clock/Calendar Features: Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 2.7 V ~ 3.6 V Voltage - Supply, Battery: 2.4 V ~ 4 V Current - Timekeeping (Max): 1.5mA (Typ) @ 2.7 V ~ 3.6 V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 28-SOIC (0.295", 7.50mm Width) Supplier Device Package: 28-SOIC	Package: 28-SOIC (0.295", 7.50mm Width)	Stock63,492	Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 3.6 V	2.4 V ~ 4 V	1.5mA (Typ) @ 2.7 V ~ 3.6 V	0°C ~ 70°C	Surface Mount	28-SOIC (0.295", 7.50mm Width)	28-SOIC
ISL12027IB27Z-T	Intersil	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Supervisor, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA ~ 20µA @ 2.7V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SOIC	Package: 8-SOIC (0.154", 3.90mm Width)	Stock13,728	Alarm, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA ~ 20µA @ 2.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
ISL12026IBZ-T7A	Intersil	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA ~ 20µA @ 2.7V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SOIC	Package: 8-SOIC (0.154", 3.90mm Width)	Stock7,656	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA ~ 20µA @ 2.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
DS3231S#	Maxim Integrated	IC RTC CLK/CALENDAR I2C 16-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, TCXO/Crystal Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.3 V ~ 5.5 V Voltage - Supply, Battery: 2.3 V ~ 5.5 V Current - Timekeeping (Max): 110µA ~ 170µA @ 3.63V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 16-SOIC (0.295", 7.50mm Width) Supplier Device Package: 16-SOIC	Package: 16-SOIC (0.295", 7.50mm Width)	Stock67,344	Alarm, Leap Year, Square Wave Output, TCXO/Crystal	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.3 V ~ 5.5 V	2.3 V ~ 5.5 V	110µA ~ 170µA @ 3.63V ~ 5.5V	0°C ~ 70°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
DS1371U+	Maxim Integrated	IC RTC BINARY CNT I2C 8-USOP Type: Binary Counter Features: Alarm, Square Wave Output, Watchdog Timer Memory Size: - Time Format: Binary Date Format: Binary Interface: I2C, 2-Wire Serial Voltage - Supply: 1.7 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 1.3µA @ 1.7V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Supplier Device Package: 8-uMAX	Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Stock15,474	Alarm, Square Wave Output, Watchdog Timer	-	Binary	Binary	I2C, 2-Wire Serial	1.7 V ~ 5.5 V	-	1.3µA @ 1.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX
PCF8563T/F4,118	NXP	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.8 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.6µA ~ 0.75µA @ 2V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SO	Package: 8-SOIC (0.154", 3.90mm Width)	Stock73,476	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8 V ~ 5.5 V	-	0.6µA ~ 0.75µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
X1205V8	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 8-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I²C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA ~ 20µA @ 2.7V ~ 5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 8-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 8-TSSOP	Package: 8-TSSOP (0.173", 4.40mm Width)	Stock4,704	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.7 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA ~ 20µA @ 2.7V ~ 5V	0°C ~ 70°C	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP
X1205S8	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I²C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA ~ 20µA @ 2.7V ~ 5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SOIC	Package: 8-SOIC (0.154", 3.90mm Width)	Stock14,436	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	2.7 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA ~ 20µA @ 2.7V ~ 5V	0°C ~ 70°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
RX-4803SA:UB3 PURE SN	EPSON	IC TRC CLK/CALENDAR 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: -	Package: -	Stock4,032	-	-	-	-	-	-	-	-	-	-	-	-
RX-4035SAAC3-PURE-SN	EPSON	IC RTC CLK/CALENDAR SPI 14SOP Type: Clock/Calendar Features: Alarm Memory Size: - Time Format: - Date Format: - Interface: SPI Voltage - Supply: 2.4V ~ 5.5V Voltage - Supply, Battery: 1V ~ 5.5V Current - Timekeeping (Max): 2.5µA @ 3V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 14-SOIC (0.197", 5.00mm Width) Supplier Device Package: 14-SOP	Package: -	Request a Quote	Alarm	-	-	-	SPI	2.4V ~ 5.5V	1V ~ 5.5V	2.5µA @ 3V	-40°C ~ 85°C	Surface Mount	14-SOIC (0.197", 5.00mm Width)	14-SOP
RV5C387A-E2-F	Nisshinbo Micro Devices Inc.	IC RTC CLK/CALENDAR I2C 10SSOP Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2V ~ 5.5V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.8µA @ 3V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 10-LFSOP, 10-MSOP (0.110", 2.80mm Width) Supplier Device Package: 10-SSOP-G	Package: -	Request a Quote	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2V ~ 5.5V	-	0.8µA @ 3V	-40°C ~ 85°C	Surface Mount	10-LFSOP, 10-MSOP (0.110", 2.80mm Width)	10-SSOP-G
RV-8523-C3-32-768KHZ-10PPM-TA-QC	Micro Crystal AG	IC RTC CLK/CALENDAR I2C 10SON Type: Clock/Calendar Features: Alarm, Battery Switch, Leap Year, Programmable Clock Output, Timer, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.2V ~ 5.5V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.18µA @ 3V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 10-VCDFN Supplier Device Package: 10-SON (3.7x2.5)	Package: -	Request a Quote	Alarm, Battery Switch, Leap Year, Programmable Clock Output, Timer, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.2V ~ 5.5V	-	0.18µA @ 3V	-40°C ~ 85°C (TA)	Surface Mount	10-VCDFN	10-SON (3.7x2.5)