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ELECTRONIC COMPONENTS

Real Time Clocks

Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Programmable Type Features Memory Size Time Format Date Format Interface Voltage - Supply Voltage - Supply, Battery Current - Timekeeping (Max) Operating Temperature Mounting Type Grade Qualification Supplier Device Package
ISL12027IB30AZ-T Intersil

ISL12027IB30AZ-T

IC RTC CLK/CALENDAR I2C 8SOIC

Intersil

3,000 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
ISL12027IB27AZ Intersil

ISL12027IB27AZ

IC RTC CLK/CALENDAR I2C 8SOIC

Intersil

2,965 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
ISL12029IB27Z-T Intersil

ISL12029IB27Z-T

IC RTC CLK/CALENDAR I2C 14SOIC

Intersil

2,290 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Bulk Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-SOIC
ISL12028IB27Z Intersil

ISL12028IB27Z

IC RTC CLK/CALENDAR I2C 14SOIC

Intersil

1,956 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-SOIC
ISL12027IB30AZ Intersil

ISL12027IB30AZ

IC RTC CLK/CALENDAR I2C 8SOIC

Intersil

1,585 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
ISL12028IV27Z-T Intersil

ISL12028IV27Z-T

IC RTC CLK/CALENDAR I2C 14TSSOP

Intersil

1,427 -
Datasheet - 14-TSSOP (0.173", 4.40mm Width) Bulk Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-TSSOP
ISL12027IVZ-T Intersil

ISL12027IVZ-T

IC RTC CLK/CALENDAR I2C 8TSSOP

Intersil

1,265 -
Datasheet - 8-TSSOP (0.173", 4.40mm Width) Bulk Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-TSSOP
ISL12029IB27Z Elantec

ISL12029IB27Z

IC RTC CLK/CALENDAR I2C 14SOIC

Elantec

1,000 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-SOIC
ISL12029AIB27Z Elantec

ISL12029AIB27Z

IC RTC CLK/CALENDAR I2C 14SOIC

Elantec

1,000 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Supervisor, Watchdog Timer 512B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C (TA) Surface Mount - - 14-SOIC
ISL12027IV27AZ-T Intersil

ISL12027IV27AZ-T

IC RTC CLK/CALENDAR I2C 8TSSOP

Intersil

892 -
Datasheet - 8-TSSOP (0.173", 4.40mm Width) Bulk Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 10µA ~ 20µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-TSSOP
DS1339C-2 Analog Devices Inc./Maxim Integrated

DS1339C-2

DS1339 I2C SERIAL RTC

Analog Devices Inc./Maxim Integrated

1,479 -
Datasheet - 16-SOIC (0.295", 7.50mm Width) Bulk Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger - HH:MM:SS (12/24 hr) YY-MM-DD I2C 1.8V ~ 5.5V 1.3V ~ 3.7V 100µA @ 2.2V -40°C ~ 85°C (TA) Surface Mount - - 16-SOIC
BQ4845S-A4NTR Texas Instruments

BQ4845S-A4NTR

IC RTC CLK/CALENDAR PAR 28SOIC

Texas Instruments

3,509 -
Datasheet - 28-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.75V ~ 5.5V 2.3V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount - - 28-SOIC
BQ4845YS-A4NTR Texas Instruments

BQ4845YS-A4NTR

IC RTC CLK/CALENDAR PAR 28SOIC

Texas Instruments

4,375 -
Datasheet - 28-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.3V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount - - 28-SOIC
DS1685E-3/TR Analog Devices Inc./Maxim Integrated

DS1685E-3/TR

DS1685 5V REAL-TIME CLOCK

Analog Devices Inc./Maxim Integrated

1,246 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Bulk Active Not Verified Clock/Calendar Alarm, Daylight Savings, NVRAM, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 3V 0°C ~ 70°C (TA) Surface Mount - - 24-TSSOP
SLR32CN-32.768K Suntsu Electronics, Inc

SLR32CN-32.768K

IC RTC CLK/CALENDAR I2C 10SMD

Suntsu Electronics, Inc

314 -
Datasheet - 10-SMD, No Lead Bulk Active Not Verified Clock/Calendar Alarm, Leap Year, RAM - HH:MM:SS YY-MM-DD I2C 2.5V ~ 5V 1.6V ~ 5V 500nA @ 3V -40°C ~ 85°C Surface Mount - - 10-SMD
DS1302SN-16/TR Analog Devices Inc./Maxim Integrated

DS1302SN-16/TR

TRICKLE-CHARGE TIMEKEEPING CHIP

Analog Devices Inc./Maxim Integrated

2,750 -
Datasheet - 8-SOIC (0.209", 5.30mm Width) Bulk Active Not Verified Clock/Calendar Leap Year, NVSRAM, RAM, Trickle-Charger 31B HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 2V ~ 5.5V 2V ~ 5.5V 0.3µA ~ 1µA @ 2V ~ 5V -40°C ~ 85°C (TA) Surface Mount - - 8-SOIC
BQ4845S-A4 Texas Instruments

BQ4845S-A4

IC RTC CLK/CALENDAR PAR 28SOIC

Texas Instruments

2,350 -
Datasheet - 28-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.75V ~ 5.5V 2.3V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount - - 28-SOIC
BQ4845YS-A4 Texas Instruments

BQ4845YS-A4

IC RTC CLK/CALENDAR PAR 28SOIC

Texas Instruments

1,627 -
Datasheet - 28-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.3V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount - - 28-SOIC
DS1685Q-3 Analog Devices Inc./Maxim Integrated

DS1685Q-3

IC RTC CLK/CALENDAR PAR 28PLCC

Analog Devices Inc./Maxim Integrated

4,083 -
Datasheet - 28-LCC (J-Lead) Tube Obsolete Not Verified Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 3V 0°C ~ 70°C Surface Mount - - 28-PLCC (11.51x11.51)
ISL1209IU10Z-TK Renesas Electronics Corporation

ISL1209IU10Z-TK

IC RTC EVENT REC I2C 10MSOP

Renesas Electronics Corporation

998 -
Datasheet - 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Not Verified Time Event Recorder Alarm, Leap Year, SRAM 2B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 4µA ~ 6µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 10-MSOP
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