Serial access real-time clock (RTC) with integral backup battery and crystal
Part Name(s) : M41T00CAP M41T00CAPPC1
STMicroelectronics
Description : Serial access real-time clock (RTC) with integral backup battery and crystal
Part Name(s) : FM3135 FM3135-G FM3135-GTR
Ramtron International Corporation
Description : Integrated RTC/Alarm/F-RAM & Embedded crystal
Part Name(s) : PT7C4302 PT7C4302P PT7C4302W PT7C4302PE PT7C4302WE
Pericom Semiconductor Corporation
Description : real-time clock Module (3-wire Interface)
Part Name(s) : DS1689 DS1689S DS1689SN DS1693
Dallas Semiconductor -> Maxim Integrated
Description : 3-Volt/5-Volt Serialized real-time clock with NV RAM Control (Rev - 2000)
Part Name(s) : PT7C4302 PT7C4302P PT7C4302PE PT7C4302W PT7C4302WE
Pericom Semiconductor
Description : real-time clock Module (3-wire Interface)
Part Name(s) : DS1688 DS1688S DS1691
Dallas Semiconductor -> Maxim Integrated
Description : 3 Volt/5 Volt Serialized Real Time clock with NV RAM Control (Rev - 1998)
Part Name(s) : DS1688S DS1688S+ DS1688 DS1691
Dallas Semiconductor -> Maxim Integrated
Description : 3V/5V Serialized real-time clocks with NV RAM Control
Part Name(s) : ISL12008 ISL12008IB8Z ISL12008IB8Z-T
Renesas Electronics
Description : I2C Real Time clock with battery backup
Part Name(s) : DS1689 DS1689S DS1689S+ DS1689S+R DS1689S+T DS1689S+TR DS1689S-T DS1689S-TR DS1689S/TR DS1689SN
Dallas Semiconductor -> Maxim Integrated
Description : 3V/5V Serialized real-time clocks with NV RAM Control
Part Name(s) : ISL12008 ISL12008IB8Z ISL12008IB8Z-T
Intersil
Description : I2C Real Time clock with battery backup
Part Name(s) : ISL12020MIRZ ISL12020MIRZ-T ISL12020M
Intersil
Description : Low Power RTC with battery Backed SRAM,Integrated �5ppm Temperature Compensation and Auto Daylight Saving
Part Name(s) : PCF85053A PCF85053ATK PCF85053ATKJ
NXP Semiconductors.
Description : Bootable CPU RTC with two I2C buses, 128 byte SRAM and alarm function
Part Name(s) : DS3234 DS3234S DS3234SN DS3234S# DS3234SN#
Maxim Integrated
Description : Extremely Accurate SPI Bus RTC with Integrated crystal and SRAM
Part Name(s) : M41T00AUDD1E M41T00AUDD1F M41T00AUD
STMicroelectronics
Description : Serial real-time clock (RTC) with audio
Dallas Semiconductor -> Maxim Integrated
Description : I2C Serial real-time clock
Part Name(s) : M41T00S M41T00SM6E M41T00SM6F
STMicroelectronics
Description : Serial access real-time clock
Part Name(s) : M41T60 M41T60Q6F
STMicroelectronics
Description : Serial access real-time clock
Part Name(s) : DS1747 DS1747-70 DS1747-70+ DS1747-70IND DS1747-70IND+ DS1747P DS1747P-70 DS1747P-70+ DS1747P-70IND DS1747P-70IND+
Maxim Integrated
Description : Y2K-Compliant, Nonvolatile Timekeeping RAMs
Part Name(s) : M41T82 M41T83 M41T82SQA6F M41T82SM6F M41T82SMY6F M41T82RQA6F M41T82RM6F M41T82RMY6F M41T82ZQA6F M41T82ZM6F
STMicroelectronics
Description : Serial I2C bus real-time clock (RTC) with battery switchover (Rev - 2015)
Part Name(s) : DS17285 DS17285-3 DS17285-5 DS17285E DS17285E-3 DS17285E-5 DS17285S DS17285S-3 DS17285S-5 DS17287
Dallas Semiconductor -> Maxim Integrated
Description : 3 Volt/5 Volt Real Time clock (Rev - 1998)