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
1337AGDVGI

1337AGDVGI

IC RTC CLK/CALENDAR I2C 8TSSOP

Renesas Electronics Corporation

250
RFQ
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm 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 - 0.3µA @ 1.3V ~ 1.8V -40°C ~ 85°C Surface Mount - - 8-TSSOP
ISL12058IUZ

ISL12058IUZ

IC RTC CLK/CALENDAR I2C 8MSOP

Renesas Electronics Corporation

2,000
RFQ
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 3.6V - 0.65µA @ 1.8V -40°C ~ 85°C Surface Mount - - 8-MSOP
1337AGDCGI

1337AGDCGI

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

409
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm 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 - 0.3µA @ 1.3V ~ 1.8V -40°C ~ 85°C Surface Mount - - 8-SOIC
1338-31DCGI

1338-31DCGI

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

253
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Active Not Verified Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 3.3V ~ 5.5V 1.3V ~ 3.7V 5µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
ISL12008IB8Z-T

ISL12008IB8Z-T

IC RTC CLK/CALENDAR I2C 8SOIC

Renesas Electronics Corporation

1,570
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS:hh (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
BQ4802YPW

BQ4802YPW

IC RTC CLK/CALENDAR PAR 28TSSOP

Texas Instruments

150
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 4.5V ~ 5.5V 2.4V ~ 4V 1.5mA (Typ) @ 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount - - 28-TSSOP
ISL12022MAIBZ-T

ISL12022MAIBZ-T

IC RTC CLK/CALENDAR I2C 20SOIC

Renesas Electronics Corporation

800
RFQ
Datasheet - 20-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, SRAM 128B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.8V ~ 5.5V 14µA ~ 15µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 20-SOIC
M48T201V-85MH1F

M48T201V-85MH1F

IC RTC CLK/CALENDAR PAR 44SOH

STMicroelectronics

621
RFQ
Datasheet Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 3V 2mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 44-SOH
PCF85063AT/AY

PCF85063AT/AY

PCF85063AT - Tiny Real-Time Cloc

NXP Semiconductors

68,624
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Bulk Active - Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C 0.9V ~ 5.5V, 1.8V ~ 5.5V - 0.6µA @ 3.3V -40°C ~ 85°C (TA) Surface Mount - - 8-SOIC
BU9873FVM-GTTR

BU9873FVM-GTTR

IC RTC CLK/CALENDAR I2C 8MSOP

Rohm Semiconductor

269
RFQ
Datasheet - 8-VSSOP, 8-MSOP (0.110", 2.80mm Width) Tape & Reel (TR) Not For New Designs Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 1µA ~ 1.35µA @ 3V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-MSOP
PCF85263AUKZ

PCF85263AUKZ

IC RTC CLK/CALENDAR I2C 12WLCSP

NXP USA Inc.

39,965
RFQ
Datasheet - 12-XFBGA, WLCSP Tape & Reel (TR) Last Time Buy Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd I2C 0.9V ~ 5.5V, 1.8V ~ 5.5V 0.9V ~ 5.5V 0.885µA @ 3.3V -40°C ~ 85°C (TA) Surface Mount - - 12-WLCSP (1.19x0.94)
ISL12058IRTZ-T

ISL12058IRTZ-T

IC RTC CLK/CALENDAR I2C 8TDFN

Renesas Electronics Corporation

0
RFQ
Datasheet - 8-WDFN Exposed Pad 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 1.8V ~ 3.6V - 0.65µA @ 1.8V -40°C ~ 85°C Surface Mount - - 8-TDFN (3x3)
BQ3285ESS-TR1

BQ3285ESS-TR1

RTC, NON-VOLATILE, 1 TIMER(S)

Texas Instruments

3,051
RFQ
Datasheet - 24-SSOP (0.154", 3.90mm Width) Bulk Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V 300µA @ 5V 0°C ~ 70°C Surface Mount - - 24-SSOP
BQ4285LS

BQ4285LS

IC RTC W/114X8 NVSRAM 24-SOP

Texas Instruments

976
RFQ
Datasheet * 24-SOIC (0.295", 7.50mm Width) 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 2.7V ~ 3.6V 2.4V ~ 4V - - Surface Mount - - 24-SOIC
PT7C4563BQ1WEX

PT7C4563BQ1WEX

IC RTC CLK/CALENDAR I2C 8SOIC

Diodes Incorporated

925
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm - HH:MM:SS YY-MM-DD-dd I2C, SMBus 1.3V ~ 5.5V 3V 1.5µA @ 5V -40°C ~ 125°C Surface Mount Automotive AEC-Q100 8-SOIC
ISL12058IRTZ

ISL12058IRTZ

IC RTC CLK/CALENDAR I2C 8TDFN

Renesas Electronics Corporation

2,997
RFQ
Datasheet - 8-WDFN Exposed Pad Tube Active Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 3.6V - 0.65µA @ 1.8V -40°C ~ 85°C Surface Mount - - 8-TDFN (3x3)
PT7C4339WEX

PT7C4339WEX

IC RTC CLK/CALENDAR I2C 8SOIC

Diodes Incorporated

12,460
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD I2C, 2-Wire Serial 3V ~ 5.5V 1.3V ~ 3.7V 250µA @ 3V ~ 5.5V -40°C ~ 85°C (TA) Surface Mount - - 8-SOIC
PT7C4311WEX

PT7C4311WEX

IC RTC CLK/CALENDAR I2C 8SOIC

Diodes Incorporated

2,634
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year, Square Wave Output, Y2K 56B HH:MM:SS (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.2V ~ 5.5V 2V ~ 5.5V 70µA @ 1.5V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOIC
PT7C433833AZEEX

PT7C433833AZEEX

IC RTC CLK/CALENDAR I2C 8TDFN

Diodes Incorporated

4,816
RFQ
Datasheet - 8-WFDFN Exposed Pad Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 5.5V 1.5V ~ 3.7V 125µA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-TDFN (2x3)
PT7C43390WEX

PT7C43390WEX

IC RTC CLK/CALENDAR I2C 8SOIC

Diodes Incorporated

3,380
RFQ
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.3V ~ 5.5V - 0.65µA ~ 0.7µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 8-SOIC
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