Real Time Clocks

Photo Mfr. Part # Availability 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
ISL12026IVZ-T

ISL12026IVZ-T

IC RTC CLK/CALENDAR I2C 8TSSOP

Renesas Electronics Corporation

2,357
RFQ
Datasheet - 8-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year - 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
ISL1208IB8Z-T7A

ISL1208IB8Z-T7A

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

115
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar 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 - - 8-SOIC
BQ4845YS-A4N

BQ4845YS-A4N

IC RTC CLK/CALENDAR PAR 28SOIC

Texas Instruments

0
RFQ
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 -40°C ~ 85°C Surface Mount - - 28-SOIC
BQ4285EP

BQ4285EP

IC RTC CLK/CALENDAR PAR 24DIP

Texas Instruments

0
RFQ
Datasheet - 24-DIP (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V 300µA @ 5V 0°C ~ 70°C Through Hole - - 24-PDIP
BQ4802LYPW

BQ4802LYPW

IC RTC CLK/CALENDAR PAR 28TSSOP

Texas Instruments

0
RFQ
Datasheet - 28-TSSOP (0.173", 4.40mm Width) Bulk Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.6V 2.4V ~ 4V 1.5mA (Typ) @ 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount - - 28-TSSOP
BQ4285S-SB2

BQ4285S-SB2

IC RTC CLK/CALENDAR PAR 24SOIC

Texas Instruments

0
RFQ
Datasheet - 24-SOIC (0.295", 7.50mm Width) Bulk Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V - 0°C ~ 70°C Surface Mount - - 24-SOIC
BQ4802LYDW

BQ4802LYDW

IC RTC CLK/CALENDAR PAR 28SOIC

Texas Instruments

0
RFQ
Datasheet - 28-SOIC (0.295", 7.50mm Width) Bulk Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.6V 2.4V ~ 4V 1.5mA (Typ) @ 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount - - 28-SOIC
ISL1208IRT8Z

ISL1208IRT8Z

IC RTC CLK/CALENDAR I2C 8TDFN

Renesas Electronics Corporation

734
RFQ
Datasheet - 8-WDFN Exposed Pad Tube Obsolete Not Verified Clock/Calendar 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 - - 8-TDFN (3x3)
ISL1218IUZ

ISL1218IUZ

IC RTC CLK/CALENDAR I2C 8MSOP

Renesas Electronics Corporation

4,025
RFQ
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, SRAM 8B 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 - - 8-MSOP
ISL12026AIVZ

ISL12026AIVZ

IC RTC CLK/CALENDAR I2C 8TSSOP

Renesas Electronics Corporation

950
RFQ
Datasheet - 8-TSSOP (0.173", 4.40mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year - 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
BQ4285P-SB2

BQ4285P-SB2

IC RTC CLK/CALENDAR PAR 24DIP

Texas Instruments

0
RFQ
Datasheet - 24-DIP (0.600", 15.24mm) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V - 0°C ~ 70°C Through Hole - - 24-PDIP
BQ4802YDSH

BQ4802YDSH

IC RTC CLK/CALENDAR PAR 28SOP

Texas Instruments

0
RFQ
Datasheet - 28-SOIC (0.345", 8.77mm Width) with SNAPHAT Sockets 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 2.4V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount - - 28-SOP
UPD4991AGS-A

UPD4991AGS-A

RTC, VOLATILE, 1 TIMER(S) PDSO

Renesas Electronics Corporation

9,671
RFQ
Datasheet * - Bulk Active Not Verified - - - - - - - - - - - - - -
ISL12024IBZ-T

ISL12024IBZ-T

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

1,455
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Unique ID - 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
M41T315V-85MH6F

M41T315V-85MH6F

IC RTC PHANTOM CHIP SER 28SOH

STMicroelectronics

175
RFQ
Datasheet - 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tape & Reel (TR) Obsolete Not Verified Phantom Time Chip Leap Year, Supervisor - HH:MM:SS (12/24 hr) YY-MM-DD-dd Serial 3V ~ 3.6V 2.5V ~ 3.7V 2mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount - - 28-SOH
BQ4845S-A4TR

BQ4845S-A4TR

IC RTC CLK/CALENDAR PAR 28SOIC

Texas Instruments

0
RFQ
Datasheet - 28-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active 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
PT7C4337ACSE

PT7C4337ACSE

IC RTC CLK/CALENDAR I2C 16SOIC

Diodes Incorporated

120
RFQ
Datasheet - 16-SOIC (0.295", 7.50mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 0.8µA @ 1.3V ~ 1.8V -40°C ~ 85°C Surface Mount - - 16-SOIC
BQ4802YDW

BQ4802YDW

IC RTC CLK/CALENDAR PAR 28SOIC

Texas Instruments

0
RFQ
Datasheet - 28-SOIC (0.295", 7.50mm Width) Bulk Active 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 2.4V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount - - 28-SOIC
DP8573AV

DP8573AV

IC RTC CLK/CALENDAR PAR 28PLCC

Texas Instruments

0
RFQ
Datasheet - 28-LCC (J-Lead) Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.2V ~ 5.1V 1µA @ 5V -40°C ~ 85°C Surface Mount - - 28-PLCC (11.51x11.51)
DP8570AVX

DP8570AVX

IC RTC TIMER PERIPH PAR 28PLCC

Texas Instruments

0
RFQ
Datasheet - 28-LCC (J-Lead) Tape & Reel (TR) Obsolete Not Verified Timer Clock Peripheral (TCP) Alarm, Leap Year 44B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.2V ~ 5.1V 1µA @ 5V -40°C ~ 85°C Surface Mount - - 28-PLCC (11.51x11.51)
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