Page 9 - Clock/Timing - Real Time Clocks | Integrated Circuits (ICs)

MCP795B10-I/SL
Microchip Technology

IC RTC CLK/CALENDAR SPI 14-SOIC

Package: 14-SOIC (0.154", 3.90mm Width)

Stock7,536
DS32C35-33#T&R
Maxim Integrated

IC RTC CLK/CALENDAR I2C 20-SOIC

Package: 20-SOIC (0.295", 7.50mm Width)

Stock7,376
MAX6917EO50+
Maxim Integrated

IC RTC I2C COMPAT 20-QSOP

Package: 20-SSOP (0.154", 3.90mm Width)

Stock3,264
X1288S16I-4.5A
Intersil

IC RTC CLK/CALENDAR I2C 16-SOIC

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

Stock2,208
X1227S8I-4.5A
Intersil

IC RTC CLK/CALENDAR I2C 8-SOIC

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

Stock4,128
M48T59Y-70MH1F
STMicroelectronics

IC RTC CLK/CALENDAR PAR 28SOH

Package: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets

Stock2,608
DS1337
Maxim Integrated

IC RTC CLK/CALENDAR I2C 8-DIP

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

Stock38,880
DS1685S-3
Maxim Integrated

IC RTC 3V 64-BIT Y2KC 24-SOIC

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

Stock5,152
DS1687-3IND
Maxim Integrated

IC RTC CLK/CALENDAR PAR 24-EDIP

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

Stock5,008
DS1386-32-120
Maxim Integrated

IC RTC CLK/CALENDAR PAR 32-DIP

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

Stock3,664
RTC-72423B
EPSON

IC RTC CLK/CALENDAR PAR 24-SOP

Package: 24-SOIC (0.311", 7.90mm Width)

Stock5,440
DS17487-3IND+
Maxim Integrated

IC RTC CLK/CALENDAR PAR 24-EDIP

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

Stock3,424
BQ4285S-SB2
Texas Instruments

IC RTC CLK/CALENDAR PAR 24-SOP

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

Stock5,120
DS1343E-18+
Maxim Integrated

IC RTC CLK/CALENDAR SPI 20-TSSOP

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

Stock6,448
DS1393U-33+
Maxim Integrated

IC RTC CLK/CALENDAR SER 10-USOP

Package: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

Stock6,096
RX-4581NB:B0:ROHS
EPSON

IC RTC CLK/CALENDAR SPI 22-SON

Package: 22-SMD (20 leads) Flat Leads

Stock6,432
RX-4045SA:AA0
EPSON

IC RTC CLK/CALENDAR SPI 14-SOP

Package: 14-SOIC (0.197", 5.00mm Width)

Stock5,968
DS1344E-33+T&R
Maxim Integrated

IC RTC CLK/CALENDAR SPI 20-TSSOP

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

Stock4,720
S-35399A02-HRT1
SII Semiconductor Corporation

IC RTC CLK/CALENDAR

Package: 12-UFBGA, WLBGA

Stock5,904
DS1375T+T&R
Maxim Integrated

IC RTC CLK/CALENDAR I2C 6-TDFN

Package: 6-WDFN Exposed Pad

Stock2,080

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
MCP795B10-I/SL	Microchip Technology	IC RTC CLK/CALENDAR SPI 14-SOIC Type: Clock/Calendar Features: Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Memory Size: 64B Time Format: HH:MM:SS:hh (12/24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 1.8 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 5.5 V Current - Timekeeping (Max): 1µA @ 1.8V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 14-SOIC (0.154", 3.90mm Width) Supplier Device Package: 14-SOIC	Package: 14-SOIC (0.154", 3.90mm Width)	Stock7,536	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer	64B	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	SPI	1.8 V ~ 5.5 V	1.3 V ~ 5.5 V	1µA @ 1.8V ~ 5.5V	-40°C ~ 85°C	Surface Mount	14-SOIC (0.154", 3.90mm Width)	14-SOIC
DS32C35-33#T&R	Maxim Integrated	IC RTC CLK/CALENDAR I2C 20-SOIC Type: Clock/Calendar Features: Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal Memory Size: 8KB Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 2.7 V ~ 3.63 V Voltage - Supply, Battery: 2.3 V ~ 3.6 V Current - Timekeeping (Max): 110µA @ 3.63V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 20-SOIC (0.295", 7.50mm Width) Supplier Device Package: 20-SOIC	Package: 20-SOIC (0.295", 7.50mm Width)	Stock7,376	Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal	8KB	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	2.7 V ~ 3.63 V	2.3 V ~ 3.6 V	110µA @ 3.63V	0°C ~ 70°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC
MAX6917EO50+	Maxim Integrated	IC RTC I2C COMPAT 20-QSOP Type: Clock/Calendar/Supervisor Features: - Memory Size: 96B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): - Operating Temperature: - Mounting Type: Surface Mount Package / Case: 20-SSOP (0.154", 3.90mm Width) Supplier Device Package: 20-QSOP	Package: 20-SSOP (0.154", 3.90mm Width)	Stock3,264	-	96B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	4.5 V ~ 5.5 V	-	-	-	Surface Mount	20-SSOP (0.154", 3.90mm Width)	20-QSOP
X1288S16I-4.5A	Intersil	IC RTC CLK/CALENDAR I2C 16-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Supervisor, Watchdog Timer Memory Size: - Time Format: HH:MM:SS:hh (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA ~ 20µA @ 2.7V ~ 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)	Stock2,208	Alarm, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	4.5 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA ~ 20µA @ 2.7V ~ 5V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
X1227S8I-4.5A	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: 4.5 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 10µA ~ 20µA @ 2.7V ~ 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)	Stock4,128	Alarm, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	4.5 V ~ 5.5 V	1.8 V ~ 5.5 V	10µA ~ 20µA @ 2.7V ~ 5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
M48T59Y-70MH1F	STMicroelectronics	IC RTC CLK/CALENDAR PAR 28SOH 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): 3mA @ 4.5V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Supplier Device Package: 28-SOH	Package: 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	Stock2,608	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	3mA @ 4.5V ~ 5.5V	0°C ~ 70°C	Surface Mount	28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets	28-SOH
DS1337	Maxim Integrated	IC RTC CLK/CALENDAR I2C 8-DIP 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: Through Hole Package / Case: 8-DIP (0.300", 7.62mm) Supplier Device Package: 8-PDIP	Package: 8-DIP (0.300", 7.62mm)	Stock38,880	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
DS1685S-3	Maxim Integrated	IC RTC 3V 64-BIT Y2KC 24-SOIC 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): - Operating Temperature: - 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)	Stock5,152	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	-	-	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
DS1687-3IND	Maxim Integrated	IC RTC CLK/CALENDAR PAR 24-EDIP 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: Through Hole Package / Case: 24-DIP Module (0.600", 15.24mm) Supplier Device Package: 24-EDIP	Package: 24-DIP Module (0.600", 15.24mm)	Stock5,008	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	Through Hole	24-DIP Module (0.600", 15.24mm)	24-EDIP
DS1386-32-120	Maxim Integrated	IC RTC CLK/CALENDAR PAR 32-DIP Type: Clock/Calendar Features: Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer Memory Size: 32KB Time Format: HH:MM:SS:hh (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 4.5 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 4mA @ 5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 32-DIP Module (0.600", 15.24mm) Supplier Device Package: 32-EDIP	Package: 32-DIP Module (0.600", 15.24mm)	Stock3,664	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
RTC-72423B	EPSON	IC RTC CLK/CALENDAR PAR 24-SOP Type: Clock/Calendar Features: Leap Year Memory Size: - 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: - Current - Timekeeping (Max): 5µA ~ 10µA @ 2V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 24-SOIC (0.311", 7.90mm Width) Supplier Device Package: 24-SOP	Package: 24-SOIC (0.311", 7.90mm Width)	Stock5,440	Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	-	5µA ~ 10µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	24-SOIC (0.311", 7.90mm Width)	24-SOP
DS17487-3IND+	Maxim Integrated	IC RTC CLK/CALENDAR PAR 24-EDIP 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: 2.7 V ~ 3.7 V Voltage - Supply, Battery: 2.5 V ~ 3.7 V Current - Timekeeping (Max): 2mA @ 2.7V ~ 3.7V Operating Temperature: -40°C ~ 85°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)	Stock3,424	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	4KB	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
BQ4285S-SB2	Texas Instruments	IC RTC CLK/CALENDAR PAR 24-SOP Type: Clock/Calendar Features: Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Memory Size: 114B 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 ~ 4 V Current - Timekeeping (Max): - 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)	Stock5,120	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	-	0°C ~ 70°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
DS1343E-18+	Maxim Integrated	IC RTC CLK/CALENDAR SPI 20-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, NVRAM, 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: 1.71 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 5.5 V Current - Timekeeping (Max): - 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)	Stock6,448	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
DS1393U-33+	Maxim Integrated	IC RTC CLK/CALENDAR SER 10-USOP Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output, Trickle-Charger Memory Size: - Time Format: HH:MM:SS:hh (12/24 hr) Date Format: YY-MM-DD-dd Interface: 3-Wire Serial Voltage - Supply: 2.97 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 5.5 V Current - Timekeeping (Max): 175µA @ 2.97V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Supplier Device Package: 10-uMAX	Package: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Stock6,096	Alarm, Leap Year, Square Wave Output, Trickle-Charger	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	2.97 V ~ 5.5 V	1.3 V ~ 5.5 V	175µA @ 2.97V ~ 5.5V	-40°C ~ 85°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-uMAX
RX-4581NB:B0:ROHS	EPSON	IC RTC CLK/CALENDAR SPI 22-SON Type: Clock/Calendar Features: Alarm, Leap Year, SRAM Memory Size: 128b (16 x 8) Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 1.6 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.8µA ~ 1.2µA @ 3V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 22-SMD (20 leads) Flat Leads Supplier Device Package: 22-SON	Package: 22-SMD (20 leads) Flat Leads	Stock6,432	Alarm, Leap Year, SRAM	128b (16 x 8)	HH:MM:SS (24 hr)	YY-MM-DD-dd	SPI	1.6 V ~ 5.5 V	-	0.8µA ~ 1.2µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	22-SMD (20 leads) Flat Leads	22-SON
RX-4045SA:AA0	EPSON	IC RTC CLK/CALENDAR SPI 14-SOP Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: SPI Voltage - Supply: 1.7 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 1.2µA ~ 1.8µA @ 3V ~ 5V 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: 14-SOIC (0.197", 5.00mm Width)	Stock5,968	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	SPI	1.7 V ~ 5.5 V	-	1.2µA ~ 1.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	14-SOIC (0.197", 5.00mm Width)	14-SOP
DS1344E-33+T&R	Maxim Integrated	IC RTC CLK/CALENDAR SPI 20-TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, NVRAM, 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: 3 V ~ 5.5 V Voltage - Supply, Battery: 1.3 V ~ 5.5 V Current - Timekeeping (Max): 120µA ~ 160µA @ 3.63V ~ 5.5V 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)	Stock4,720	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	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
S-35399A02-HRT1	SII Semiconductor Corporation	IC RTC CLK/CALENDAR 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: 1.3 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 14µA ~ 30µA @ 3V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 12-UFBGA, WLBGA Supplier Device Package: 12-WLP (1.97x1.84)	Package: 12-UFBGA, WLBGA	Stock5,904	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.3 V ~ 5.5 V	-	14µA ~ 30µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	12-UFBGA, WLBGA	12-WLP (1.97x1.84)
DS1375T+T&R	Maxim Integrated	IC RTC CLK/CALENDAR I2C 6-TDFN Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output Memory Size: 16B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.7 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.5µA @ 1.7V ~ 5.5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 6-WDFN Exposed Pad Supplier Device Package: 6-TDFN-EP (3x3)	Package: 6-WDFN Exposed Pad	Stock2,080	Alarm, Leap Year, Square Wave Output	16B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.7 V ~ 5.5 V	-	0.5µA @ 1.7V ~ 5.5V	-40°C ~ 85°C	Surface Mount	6-WDFN Exposed Pad	6-TDFN-EP (3x3)
DS1556W-120+	Maxim Integrated	IC RTC CLK/CALENDAR PAR 32-EDIP Type: Clock/Calendar Features: Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Memory Size: 128KB Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 2.97 V ~ 3.63 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 4mA @ 3.3V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 32-DIP Module (0.600", 15.24mm) Supplier Device Package: 32-EDIP	Package: 32-DIP Module (0.600", 15.24mm)	Stock4,736	Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K	128KB	HH:MM:SS (24 hr)	YY-MM-DD-dd	Parallel	2.97 V ~ 3.63 V	-	4mA @ 3.3V	0°C ~ 70°C	Through Hole	32-DIP Module (0.600", 15.24mm)	32-EDIP
RX-4571LC:B3 PURE SN	EPSON	IC RTC CLK/CALENDAR SER 12-VSOJ Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: 3-Wire Serial Voltage - Supply: 1.6 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.95µA ~ 1µA @ 3V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 12-TFSOJ (0.094", 2.40mm Width) Supplier Device Package: 12-VSOJ	Package: 12-TFSOJ (0.094", 2.40mm Width)	Stock17,748	Alarm, Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	3-Wire Serial	1.6 V ~ 5.5 V	-	0.95µA ~ 1µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	12-TFSOJ (0.094", 2.40mm Width)	12-VSOJ
RX-4571SA:B3 PURE SN	EPSON	IC RTC CLK/CALENDAR SER 14-SOP Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: 3-Wire Serial Voltage - Supply: 1.6 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.95µA ~ 1µA @ 3V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 14-SOIC (0.209", 5.30mm Width) Supplier Device Package: 14-SOP	Package: 14-SOIC (0.209", 5.30mm Width)	Stock13,806	Alarm, Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	3-Wire Serial	1.6 V ~ 5.5 V	-	0.95µA ~ 1µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	14-SOIC (0.209", 5.30mm Width)	14-SOP
DS1374C-33#	Maxim Integrated	IC RTC BINARY CNT I2C 16-SOIC Type: Binary Counter Features: Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer Memory Size: - Time Format: Binary Date Format: Binary 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): 175µA @ 2.97V ~ 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)	Stock6,800	Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer	-	Binary	Binary	I2C, 2-Wire Serial	2.97 V ~ 5.5 V	1.3 V ~ 5.5 V	175µA @ 2.97V ~ 5.5V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
DS1683S+	Maxim Integrated	IC RTC ELAPSED CNT I2C 8-SOIC Type: Elapsed Time Counter Features: Alarm, EEPROM Memory Size: 16B Time Format: Binary Date Format: Binary Interface: I2C, 2-Wire Serial Voltage - Supply: 2.5 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): - 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)	Stock16,452	Alarm, EEPROM	16B	Binary	Binary	I2C, 2-Wire Serial	2.5 V ~ 5.5 V	-	-	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
ISL12029IVAZ-T	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 14-TSSOP 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: 14-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 14-TSSOP	Package: 14-TSSOP (0.173", 4.40mm Width)	Stock6,464	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	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP
X1228S14-2.7T1	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 14-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 ~ 5V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 14-SOIC (0.154", 3.90mm Width) Supplier Device Package: 14-SOIC	Package: 14-SOIC (0.154", 3.90mm Width)	Stock3,952	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 ~ 5V	0°C ~ 70°C	Surface Mount	14-SOIC (0.154", 3.90mm Width)	14-SOIC
PT7C4363BZEEX	Diodes Incorporated	REALTIMECLOCKI2C W-DFN2030-8 Type: Clock/Calendar Features: Alarm, Leap Year, Square Wave Output Memory Size: - Time Format: HH:MM:SS (24 hr) Date Format: YY-MM-DD-dd Interface: I²C, 2-Wire Serial Voltage - Supply: 1.3 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.85µA ~ 0.9µA @ 3V ~ 5V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 8-WFDFN Exposed Pad Supplier Device Package: 8-TDFN (2x3)	Package: 8-WFDFN Exposed Pad	Stock6,224	Alarm, Leap Year, Square Wave Output	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.3 V ~ 5.5 V	-	0.85µA ~ 0.9µA @ 3V ~ 5V	-40°C ~ 85°C (TA)	Surface Mount	8-WFDFN Exposed Pad	8-TDFN (2x3)