Page 23 - Clock/Timing - Real Time Clocks | Integrated Circuits (ICs)

DS1337C/T&R
Maxim Integrated

IC RTC CLK/CALENDAR I2C 16-SOIC

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

Stock4,896
ISL12059IBZ
Intersil

IC RTC CLK/CALENDAR I2C 8-SOIC

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

Stock201,600
ISL12028IB27AZ
Intersil

IC RTC CLK/CALENDAR I2C 14-SOIC

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

Stock3,456
DS1642-85+
Maxim Integrated

IC RTC CLK/CALENDAR PAR 24-EDIP

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

Stock5,520
DS14285+
Maxim Integrated

IC RTC CLK/CALENDAR PAR 24-DIP

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

Stock2,304
X1288S16-2.7A
Intersil

IC RTC CLK/CALENDAR I2C 16-SOIC

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

Stock2,272
X1288S16
Intersil

IC RTC CLK/CALENDAR I2C 16-SOIC

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

Stock5,616
DS2415P+
Maxim Integrated

IC RTC BINARY CNT SER 6-TSOC

Package: 6-LSOJ (0.148", 3.76mm Width)

Stock12,396
RTC-72423B0:PURE SN
EPSON

IC RTC CLK/CALENDAR PAR 24-SOP

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

Stock5,712
DS1685SN-5+T&R
Maxim Integrated

IC RTC CLK/CALENDAR PAR 24-SOIC

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

Stock5,248
BQ3285LFSS-A1TRG4
Texas Instruments

IC RTC CLK/CALENDAR PAR 24-QSOP

Package: 24-SSOP (0.154", 3.90mm Width)

Stock4,896
RX-4581NB:B:ROHS
EPSON

IC RTC CLK/CALENDAR SPI 22-SON

Package: 22-SMD (20 leads) Flat Leads

Stock3,696
PT7C4302WE
Diodes Incorporated

IC RTC CLK/CALENDAR SER 8-SOIC

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

Stock15,672
S-35190A-T8T1G
SII Semiconductor Corporation

IC RTC CLK/CALENDAR SER 8-TSSOP

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

Stock98,484
DS12R885S-5+
Maxim Integrated

IC RTC CLK/CALENDAR PAR 24-SOIC

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

Stock7,872
DS1554-70IND+
Maxim Integrated

IC RTC CLK/CALENDAR PAR 32-EDIP

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

Stock20,004
PCF85263ATT1/AJ
NXP

IC RTC CLK/CALENDAR I2C 10TSSOP

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

Stock22,518
PCF8523T/1,118
NXP

IC RTC CLK/CALENDAR I2C 8-SOIC

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

Stock94,170
ISL12029IVZ-T
Renesas Electronics America

IC RTC CLK/CALENDAR I2C 14-TSSOP

Package: 14-TSSOP (0.173", 4.40mm Width)

Stock5,808
ISL12027IV30AZ-T
Renesas Electronics America

IC RTC CLK/CALENDAR I2C 8-TSSOP

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

Stock5,344

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
DS1337C/T&R	Maxim Integrated	IC RTC CLK/CALENDAR I2C 16-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: 16-SOIC (0.295", 7.50mm Width) Supplier Device Package: 16-SOIC	Package: 16-SOIC (0.295", 7.50mm Width)	Stock4,896	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	16-SOIC (0.295", 7.50mm Width)	16-SOIC
ISL12059IBZ	Intersil	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Leap Year 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 ~ 3.6 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.65µA @ 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)	Stock201,600	Leap Year	-	HH:MM:SS (24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.8 V ~ 3.6 V	-	0.65µA @ 1.8V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
ISL12028IB27AZ	Intersil	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 ~ 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)	Stock3,456	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-SOIC (0.154", 3.90mm Width)	14-SOIC
DS1642-85+	Maxim Integrated	IC RTC CLK/CALENDAR PAR 24-EDIP Type: Clock/Calendar Features: Leap Year, NVSRAM Memory Size: 2KB 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: 24-DIP Module (0.600", 15.24mm) Supplier Device Package: 24-EDIP	Package: 24-DIP Module (0.600", 15.24mm)	Stock5,520	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
DS14285+	Maxim Integrated	IC RTC CLK/CALENDAR PAR 24-DIP 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 ~ 3.6 V Current - Timekeeping (Max): 0.5µA @ 4.5V ~ 5.5V Operating Temperature: 0°C ~ 70°C Mounting Type: Through Hole Package / Case: 24-DIP (0.600", 15.24mm) Supplier Device Package: 24-PDIP	Package: 24-DIP (0.600", 15.24mm)	Stock2,304	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 (0.600", 15.24mm)	24-PDIP
X1288S16-2.7A	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: 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: 16-SOIC (0.295", 7.50mm Width) Supplier Device Package: 16-SOIC	Package: 16-SOIC (0.295", 7.50mm Width)	Stock2,272	Alarm, Leap Year, Supervisor, Watchdog Timer	-	HH:MM:SS:hh (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	16-SOIC (0.295", 7.50mm Width)	16-SOIC
X1288S16	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: 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)	Stock5,616	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	0°C ~ 70°C	Surface Mount	16-SOIC (0.295", 7.50mm Width)	16-SOIC
DS2415P+	Maxim Integrated	IC RTC BINARY CNT SER 6-TSOC Type: Binary Counter Features: Unique ID Memory Size: - Time Format: Binary Date Format: Binary Interface: 1-Wire? Serial Voltage - Supply: 2.5 V ~ 5.5 V Voltage - Supply, Battery: 2.5 V ~ 5.5 V Current - Timekeeping (Max): 0.25µA ~ 0.45µA @ 3V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 6-LSOJ (0.148", 3.76mm Width) Supplier Device Package: 6-TSOC	Package: 6-LSOJ (0.148", 3.76mm Width)	Stock12,396	Unique ID	-	Binary	Binary	1-Wire? Serial	2.5 V ~ 5.5 V	2.5 V ~ 5.5 V	0.25µA ~ 0.45µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	6-LSOJ (0.148", 3.76mm Width)	6-TSOC
RTC-72423B0:PURE SN	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)	Stock5,712	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
DS1685SN-5+T&R	Maxim Integrated	IC RTC CLK/CALENDAR PAR 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: 4.5 V ~ 5.5 V Voltage - Supply, Battery: 2.5 V ~ 3.7 V Current - Timekeeping (Max): 3mA @ 5V Operating Temperature: -40°C ~ 85°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)	Stock5,248	Alarm, NVSRAM, Square Wave Output, Y2K	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	4.5 V ~ 5.5 V	2.5 V ~ 3.7 V	3mA @ 5V	-40°C ~ 85°C	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
BQ3285LFSS-A1TRG4	Texas Instruments	IC RTC CLK/CALENDAR PAR 24-QSOP Type: Clock/Calendar Features: Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Memory Size: 242B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: Parallel Voltage - Supply: 2.7 V ~ 5.5 V Voltage - Supply, Battery: 2.4 V ~ 4 V Current - Timekeeping (Max): 100µA @ 3V Operating Temperature: 0°C ~ 70°C Mounting Type: Surface Mount Package / Case: 24-SSOP (0.154", 3.90mm Width) Supplier Device Package: 24-SSOP/QSOP	Package: 24-SSOP (0.154", 3.90mm Width)	Stock4,896	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output	242B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	Parallel	2.7 V ~ 5.5 V	2.4 V ~ 4 V	100µA @ 3V	0°C ~ 70°C	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-SSOP/QSOP
RX-4581NB:B: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	Stock3,696	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
PT7C4302WE	Diodes Incorporated	IC RTC CLK/CALENDAR SER 8-SOIC Type: Clock/Calendar Features: Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Memory Size: 31B Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: 3-Wire Serial Voltage - Supply: 1.2 V ~ 5.5 V Voltage - Supply, Battery: 1.5 V ~ 5.5 V Current - Timekeeping (Max): 25.3µA ~ 81µA @ 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-SOIC	Package: 8-SOIC (0.154", 3.90mm Width)	Stock15,672	Leap Year, NVSRAM, Square Wave Output, Trickle-Charger	31B	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	1.2 V ~ 5.5 V	1.5 V ~ 5.5 V	25.3µA ~ 81µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
S-35190A-T8T1G	SII Semiconductor Corporation	IC RTC CLK/CALENDAR SER 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: 3-Wire Serial Voltage - Supply: 1.3 V ~ 5.5 V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.93µA ~ 1.1µA @ 3V ~ 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)	Stock98,484	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	1.3 V ~ 5.5 V	-	0.93µA ~ 1.1µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP
DS12R885S-5+	Maxim Integrated	IC RTC CLK/CALENDAR PAR 24-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 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 V ~ 3.05 V Current - Timekeeping (Max): 2mA @ 4.5V ~ 5.5V Operating Temperature: -40°C ~ 85°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)	Stock7,872	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
DS1554-70IND+	Maxim Integrated	IC RTC CLK/CALENDAR PAR 32-EDIP Type: Clock/Calendar Features: Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Memory Size: 32KB 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): 6mA @ 5V Operating Temperature: -40°C ~ 85°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)	Stock20,004	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
PCF85263ATT1/AJ	NXP	IC RTC CLK/CALENDAR I2C 10TSSOP Type: Clock/Calendar Features: Alarm, Leap Year, 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: 0.9 V ~ 5.5 V Voltage - Supply, Battery: 0.9 V ~ 5.5 V Current - Timekeeping (Max): 0.885µA @ 3.3V 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-TSSOP	Package: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	Stock22,518	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS:hh (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	0.9 V ~ 5.5 V	0.9 V ~ 5.5 V	0.885µA @ 3.3V	-40°C ~ 85°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-TSSOP
PCF8523T/1,118	NXP	IC RTC CLK/CALENDAR I2C 8-SOIC Type: Clock/Calendar Features: Alarm, Leap Year, Watchdog Timer Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: I2C, 2-Wire Serial Voltage - Supply: 1.6 V ~ 5.5 V Voltage - Supply, Battery: 1.8 V ~ 5.5 V Current - Timekeeping (Max): 0.5µA @ 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)	Stock94,170	Alarm, Leap Year, Watchdog Timer	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I2C, 2-Wire Serial	1.6 V ~ 5.5 V	1.8 V ~ 5.5 V	0.5µA @ 2V ~ 5V	-40°C ~ 85°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SO
ISL12029IVZ-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)	Stock5,808	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
ISL12027IV30AZ-T	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 8-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: 8-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 8-TSSOP	Package: 8-TSSOP (0.173", 4.40mm Width)	Stock5,344	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-TSSOP (0.173", 4.40mm Width)	8-TSSOP
ISL12027IB27AZ	Renesas Electronics America	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)	Stock7,168	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
RX-8025SA:AA3	EPSON	IC RTC CLK/CALENDAR I2C 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: I²C, 2-Wire Serial 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 (0.209", 5.30mm Width) Supplier Device Package: 14-SOP	Package: 14-SOIC (0.209", 5.30mm Width)	Stock6,720	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	I²C, 2-Wire Serial	1.7 V ~ 5.5 V	-	1.2µA ~ 1.8µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	14-SOIC (0.209", 5.30mm Width)	14-SOP
ISL12020MIRZ-T7A	Renesas Electronics America	IC RTC CLK/CALENDAR I2C 20-DFN Type: Clock/Calendar Features: Alarm, Daylight Savings, Leap Year, SRAM Memory Size: 128B 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): 14µA ~ 15µA @ 3V ~ 5V Operating Temperature: -40°C ~ 85°C Mounting Type: Surface Mount Package / Case: 20-PowerLFDFN Supplier Device Package: 20-DFN (5.5x4.0)	Package: 20-PowerLFDFN	Stock27,918	Alarm, Daylight Savings, Leap Year, SRAM	128B	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	14µA ~ 15µA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	20-PowerLFDFN	20-DFN (5.5x4.0)
DS1747WP-C2+	Maxim Integrated	IC REAL TIME CLOCK 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: -	Stock7,840	-	-	-	-	-	-	-	-	-	-	-	-
RTC-4574SA:B3:PURE SN	EPSON	IC REAL TIME CLOCK/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: -	Stock4,544	-	-	-	-	-	-	-	-	-	-	-	-
RX-4574LCB-PURE-SN	EPSON	RX-4574LC:B RTC {SN-AG OR SN} 5+ Type: Clock/Calendar Features: Alarm Memory Size: - Time Format: HH:MM:SS Date Format: YY-MM-DD Interface: 3-Wire Serial Voltage - Supply: 1.6V ~ 5.5V Voltage - Supply, Battery: 1.3V ~ 5.5V Current - Timekeeping (Max): 700nA ~ 900nA @ 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: -	Request a Quote	Alarm	-	HH:MM:SS	YY-MM-DD	3-Wire Serial	1.6V ~ 5.5V	1.3V ~ 5.5V	700nA ~ 900nA @ 3V ~ 5V	-40°C ~ 85°C	Surface Mount	12-TFSOJ (0.094", 2.40mm Width)	12-VSOJ
S-35190AH-T8T2U	ABLIC Inc.	LINEAR IC Type: Clock/Calendar Features: Alarm, Leap Year Memory Size: - Time Format: HH:MM:SS (12/24 hr) Date Format: YY-MM-DD-dd Interface: 3-Wire Serial Voltage - Supply: 1.3V ~ 5.5V Voltage - Supply, Battery: 1.3V ~ 5.5V Current - Timekeeping (Max): 1.2µA ~ 1.4µA @ 3V ~ 5V Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: Surface Mount Package / Case: 8-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 8-TSSOP	Package: -	Request a Quote	Alarm, Leap Year	-	HH:MM:SS (12/24 hr)	YY-MM-DD-dd	3-Wire Serial	1.3V ~ 5.5V	1.3V ~ 5.5V	1.2µA ~ 1.4µA @ 3V ~ 5V	-40°C ~ 105°C (TA)	Surface Mount	8-TSSOP (0.173", 4.40mm Width)	8-TSSOP
V3020XSO8B	EM Microelectronic	LINEAR IC Type: Clock/Calendar Features: Leap Year, RAM Memory Size: 1B Time Format: HH:MM:SS Date Format: YY-MM-DD-dd Interface: 3-Wire Serial Voltage - Supply: 1.2V ~ 5.5V Voltage - Supply, Battery: - Current - Timekeeping (Max): 0.49µA ~ 0.6µA @ 3V ~ 5V Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 8-SOIC (0.154", 3.90mm Width) Supplier Device Package: 8-SOIC	Package: -	Request a Quote	Leap Year, RAM	1B	HH:MM:SS	YY-MM-DD-dd	3-Wire Serial	1.2V ~ 5.5V	-	0.49µA ~ 0.6µA @ 3V ~ 5V	-40°C ~ 125°C (TA)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC