-
Products
-
Featured Products
-
IT infrastructure
- OEM Souring
- Hard Drives
- CPU
- IT infrastructure Memory
- Spare Parts
- Cables
- Power Supply Units
- Adapters
- Controllers
- Server
- Switch
- Network Cards
- IT infrastructure Accessories
- Storage Machines
- Systemboard
- Sfp
- Harddrives
- Heatsink
- Fan
- Rack Options
- Licenses
- Battery
- IT Racks
- Graphics
- Io Expansions
- Routers
- San
- Access Point
- Blades
- Firewalls
- Expansion Cards
- Software
- Chassis
- Flex System
- Ups
- Wifi Controller
- Bladecenters
- Rack Mounts
- Monitors
- Antenna
- Phones
- Hmc
- HOT - SALES and EOL Components
- 88E series
- Maxim Series
- Hard To Find
- END - OF - LIFE
- Electronic Wholesale
- TPS series
- STM series
- SEE ALL
-
IT infrastructure
-
Integrated Circuits (ICs)
- Integrated Circuits (ICs) Kits
- Clock/Timing
- Data Acquisition
-
Embedded
- Embedded - CPLDs (Complex Programmable Logic Devices)
- Embedded - DSP (Digital Signal Processors)
- Embedded - FPGAs (Field Programmable Gate Array)
- Embedded - Microcontrollers
- Embedded - Microcontrollers - Application Specific
- Embedded - Microprocessors
- Embedded - PLDs (Programmable Logic Device)
- Embedded - System On Chip (SoC)
- SEE ALL
-
Interface
- Interface - Analog Switches - Special Purpose
- Interface - Analog Switches, Multiplexers, Demultiplexers
- Interface - CODECs
- Interface - Controllers
- Interface - Drivers, Receivers, Transceivers
- Interface - Encoders, Decoders, Converters
- Interface - Filters - Active
- Interface - I/O Expanders
- Interface - Modems - ICs and Modules
- Interface - Sensor and Detector Interfaces
- Interface - Serializers, Deserializers
- Interface - Signal Buffers, Repeaters, Splitters
- Interface - Signal Terminators
- Interface - Specialized
- Interface - Telecom
- Interface - UARTs (Universal Asynchronous Receiver Transmitter)
- Interface - Voice Record and Playback
- Interface - Sensor, Capacitive Touch
- SEE ALL
- Linear
-
Logic
- Logic - Buffers, Drivers, Receivers, Transceivers
- Logic - Comparators
- Logic - Counters, Dividers
- Logic - FIFOs Memory
- Logic - Flip Flops
- Logic - Gates and Inverters
- Logic - Latches
- Logic - Multivibrators
- Logic - Parity Generators and Checkers
- Logic - Shift Registers
- Logic - Signal Switches, Multiplexers, Decoders
- Logic - Specialty Logic
- Logic - Translators, Level Shifters
- Logic - Universal Bus Functions
- Logic - Gates and Inverters - Multi - Function, Configurable
-
PMIC
- PMIC - AC DC Converters, Offline Switchers
- PMIC - Battery Chargers
- PMIC - Battery Management
- PMIC - Current Regulation/Management
- PMIC - Display Drivers
- PMIC - Energy Metering
- PMIC - Full, Half - Bridge Drivers
- PMIC - Gate Drivers
- PMIC - Hot Swap Controllers
- PMIC - Laser Drivers
- PMIC - LED Drivers
- PMIC - Lighting, Ballast Controllers
- PMIC - Motor Drivers, Controllers
- PMIC - OR Controllers, Ideal Diodes
- PMIC - PFC (Power Factor Correction)
- PMIC - Power Distribution Switches, Load Drivers
- PMIC - Power Management - Specialized
- PMIC - Power Over Ethernet (PoE) Controllers
- PMIC - Power Supply Controllers, Monitors
- PMIC - RMS to DC Converters
- PMIC - Supervisors
- PMIC - Thermal Management
- PMIC - V/F and F/V Converters
- PMIC - Voltage Reference
- PMIC - Voltage Regulators - DC DC Switching Controllers
- PMIC - Voltage Regulators - DC DC Switching Regulators
- PMIC - Voltage Regulators - Linear
- PMIC - Voltage Regulators - Linear Regulator Controllers
- PMIC - Voltage Regulators - Linear + Switching
- PMIC - Voltage Regulators - Special Purpose
- PMIC - Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
- SEE ALL
- Specialized ICs
- Audio Special Purpose
- Memory
- SEE ALL
-
Discrete Semiconductor Products
- Current Regulation - Diodes, Transistors
- Thyristors—SCRs
- IGBTs - Arrays
-
TRANSISTORS
- Transistors – FETs, MOSFETs – Single
- Transistors - FETs, MOSFETs Arrays
- Darlington Transistor
- Transistors - FETs, MOSFETs - RF
- Transistors - Special Purpose
- Transistors (BJT) - Arrays
- Transistors (BJT) - Arrays, Pre - Biased
- Transistors (BJT) - Single
- Transistors (BJT) - Single, Pre - Biased
- RF Transistors (BJT)
- SEE ALL
- RF Diodes
- Bridge Rectifiers
- Diacs, Sidacs
- Diodes - Zener - Arrays
- Diodes - Zener - Single
- Diodes, Rectifiers - Arrays
- Diodes, Rectifiers - Single
- FETs - Arrays
- FETs - Single
- IGBTs - Modules
- IGBTs - Single
- JFETs (Junction Field Effect)
- Power Drivers - Modules
- RFFETs
- SCRs - Single - Modules
- SCRs - Single
- Triacs
- Variable Capacitance Diodes (Varicaps, Varactors)
- SEE ALL
- Memory Cards, Modules
-
Sensors, Transducers
- Sensor Interface Junction Blocks
- Sensors, Transducers -Magnets Sensor -Matched Magnets
- Sensors, Transducers -Position Sensors- Angle, Linear Position Measuring
- Sensor Cable Assemblies
- Proximity Sensors - Industrial
-
Optical Sensors
- Optical Sensors - Ambient Light, IR, UV Sensors
- Optical Sensors - Photo Detectors - Remote Receiver
- Optical Sensors - Photodiodes
- Optical Sensors - Photointerrupters - Slot Type - Logic Output
- Optical Sensors - Photointerrupters - Slot Type - Transistor Output
- Optical Sensors - Phototransistors
- Optical Sensors - Reflective - Analog Output
- Optical Sensors - Image Sensors, Camera
- SEE ALL
- Motion Sensors
- Temperature Sensors
- Magnetic Sensors
- Moisture Sensors, Humidity
- Position Sensors - Angle, Linear Position Measuring
- Pressure Sensors, Transducers
- Proximity Sensors
- Capacitive Touch Sensors, Proximity Sensor ICs
- Current Transducers
- Encoders
- Image Sensors, Camera
- IrDA Transceiver Modules
- SEE ALL
-
Optoelectronics
- LED Emitters - Infrared, UV, Visible
- Ballasts, Inverters
- Fiber Optic Transceiver Modules
- Optocouplers/Photocouplers
- Display Bezels, Lenses
- Display Backlights
- LCD, OLED, Graphic
- LED Character and Numeric
- Infrared, UV, Visible Emitters
- LED Indication - Discrete
- LEDs - Spacers, Standoffs
- Fiber Optics
- Led Lighting
- Display Modules
- LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs
- Optics - LEDs - Light Pipes
- Panel Indicators, Pilot Lights
- Custom Products
- SEE ALL
- Circuit Protection
-
Connectors, Interconnects
- Keystone Connector Accessories
- Card Edge Connector Housings
- Card Edge Connector Contacts
- Headers & Wire Housings
- LGH Connectors
- Terminals—Screw Connectors
- USB, DVI, HDMI Connectors —USB, DVI, HDMI Connector Assemblies
- Industrial Controls, Meters——Controllers——Specialty Controllers
- AC Power Connectors
- Terminals - PC Pin Receptacles, Socket Connectors
- Terminals - PC Pin, Single Post Connectors
- Terminals - Quick Connects, Quick Disconnect Connectors
- Terminals - Specialized Connectors
- Terminals - Wire Splice Connectors
- Terminals - Wire to Board Connectors
- FFC, FPC (FlatFlexible) Connector Assemblies
- Heavy Duty Connector Frames
- Heavy Duty Connector Accessories
- Heavy Duty Connector Inserts, Modules
- Modular Connector Jacks
- Modular Connector Jacks With Magnetics
- Modular/Ethernet Connector (RJ45, RJ11) Jacks
- Pluggable Connector Assemblies
- Rectangular - Board to Board Connectors - Arrays, Edge Type, Mezzanine
- Rectangular Connectors - Board In, Direct Wire to Board
- Rectangular Connectors - Free Hanging, Panel Mount
- Rectangular Connectors - Headers, Male Pins
- Rectangular Connectors - Headers, Receptacles, Female Sockets
- Rectangular Connector - Accessories
- Rectangular Connector Contacts
- Rectangular Connector Housings
- Rectangular Connector - Spring Loaded
- Solid State Lighting Connector - Assemblies
- D - SUB, D - SHAPED connectors
- FFC, FPC (FlatFlexible) Connectors
- Card Edge Connectors - Edgeboard Connectors
- Circular Connectors
- Memory Connectors - PC Card Sockets
- Modular Connectors
- Pluggable Connectors
- Power Entry Connectors - Inlets, Outlets, Modules
- Rectangular - Board to Board Connectors
- Rectangular Connectors
- Sockets for ICs, Transistors
- Terminal Blocks
- Terminals
- USB, DVI, HDMI Connectors
- Backplane Connectors
- Coaxial Connectors (RF)
- SEE ALL
- Capacitors
- Resistors
- Relays
- Isolators
- Filters
- Power Supplies - Board Mount
-
RF/IF and RFID
- RF and Wireless >RF Power Dividers/Splitters
- RFID Reader Modules
- RF Multiplexers
- Attenuators
- Balun
- RF Amplifiers
- RF Antennas
- RF Demodulators
- RF Detectors
- RF Diplexers
- RF Directional Coupler
- RF Evaluation and Development Kits, Boards
- RF Front End (LNA + PA)
- RF Misc ICs and Modules
- RF Mixers
- RF Modulators
- RF Power Dividers/Splitters
- RF Receivers
- RF Switches
- RF Transceiver ICs
- RF Transceiver Modules
- RF Transmitters
- RFID, RF Access, Monitoring ICs
- SEE ALL
- Crystals, Oscillators and Resonators
-
Uncategorized
- Audio Products
- Cable Assemblies
- Cables, Wires
- Cables, Wires - Management
- Hardware, Fasteners, Accessories
- Inductors, Coils, Chokes
- Industrial Controls, Meters
- Potentiometers, Variable Resistors
-
Programmers, Development Systems
- Evaluation Boards - Embedded - Complex Logic (FPGA, CPLD)
- Evaluation Boards
- Evaluation Boards—RF Evaluation and Development Kits, Boards
- Evaluation Boards - RF, RFID, Wireless
- Evaluation Boards - Linear Voltage Regulators
- Evaluation and Demonstration Boards and Kits
- Evaluation Boards - Analog to Digital Converters (ADCs)
- Evaluation Boards - Audio Amplifiers
- Evaluation Boards - DC/DC & AC/DC (Off - Line)SMPS
- Evaluation Boards - Embedded - MCU, DSP
- Evaluation Boards - Expansion Boards
- Evaluation Boards - Op Amps
- Evaluation Boards - Sensors
- SEE ALL
- Switches
- Transformers
- Tools and Supplies
- Prototyping, Fabrication Products
- SEE ALL
-
Featured Products
-
Manufacturers
- Altera
- Analog Devices Inc.
- Atmel
- Bosch Sensortec
- Cypress Semiconductor Corp
- Diodes Incorporated
- Freescale Semiconductor - NXP
- FTDI, Future Technology Devices International Ltd
- Infineon Technologies
- Linear Technology
- Maxim Integrated
- Microchip Technology
- Micron Technology Inc.
- NXP / Nexperia
- ON Semiconductor
- Silicon Labs
- STMicroelectronics
- Texas Instruments
- Allegro MicroSystems, LLC
- Vishay
- SEE ALL
- My Account
- Supports
- About Us
- Group
- Contact Us
Clock/Timing - Real Time Clocks from STMicroelectronics : 159 - Page 6
Real Time Clocks (RTCs) are essential components for maintaining accurate timekeeping in electronic systems. These clocks keep track of the current time and date, even when the system is powered down, making them invaluable for applications like computers, IoT devices, and automotive systems.
Manufactured by leading brands, RTCs offer high precision and low power consumption, ensuring reliable timekeeping over extended periods.
Implement our high-quality Real Time Clocks to ensure your devices maintain precise and consistent timekeeping across a wide range of applications.
| Select | Images | Part Number | Mfr | Description | Datasheet | Availability | Price | Qty | RFQ | Rohs | ECAD Model |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR I2C 44-SOP / Real Time Clock (RTC) IC Clock/Calendar 32KB I²C, 2-Wire Serial 44-BSOP (0.337", 8.56mm Width)
|
 Datasheet
|
Low Stock |
MOQ: 5 |
Need to verify |
|
||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR PAR 44-SOH / Real Time Clock (RTC) IC Clock/Calendar Parallel 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT
|
Datasheet
|
Low Stock |
MOQ: 5 |
|
|
||||
|
Mfr. Part No. WS Part No. |
Serial RTC with battery switchover | IC RTC CLK/CALENDAR I2C 18-SOX
|
Low Stock |
MOQ: 12 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR I2C 28-SOIC
|
Datasheet
|
Low Stock |
MOQ: 9 |
|
|
||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR I2C 24-DIP
|
135 pieces In Stock |
MOQ: 8 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
Real Time Clock Parallel 512Kbyte Clock/Calendar/NV Timekeeping RAM/Watchdog Timer/Battery Backup/Alarm 44-Pin SOH Tube / IC RTC CLK/CALENDAR PAR 44-SOH
|
Datasheet
|
6,500 pieces In Stock |
MOQ: 5 |
|
|
||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR PAR 28DIP
|
Datasheet
|
Low Stock |
MOQ: 2 |
|
|
||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR PAR 24DIP
|
Datasheet
|
1,200 pieces In Stock |
MOQ: 3 |
|
|
||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR SPI 16-SOIC / Real Time Clock Serial 44byte Clock/Calendar/Alarm/Timer/Interrupt 16-Pin SOIC N T/R
|
12,962 pieces In Stock |
MOQ: 13 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR I2C 8-SOIC
|
Datasheet
|
1,300 pieces In Stock |
MOQ: 22 |
|
|
||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR I2C 8-SOIC
|
Datasheet
|
1,090 pieces In Stock |
MOQ: 30 |
|
|
||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR I2C 18-SOIC
|
Datasheet
|
10,000 pieces In Stock |
MOQ: 11 |
|
|
||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR I2C 8-TSSOP
|
Datasheet
|
39,700 pieces In Stock |
MOQ: 30 |
|
|
||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR I2C 8-SOIC
|
Datasheet
|
20,424 pieces In Stock |
MOQ: 21 |
|
|
||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR I2C 28-SOH
|
Datasheet
|
7,850 pieces In Stock |
MOQ: 7 |
|
|
||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR I2C 28-SOIC
|
Datasheet
|
7,100 pieces In Stock |
MOQ: 6 |
|
|
||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR I2C 16-DFN
|
Datasheet
|
5,011 pieces In Stock |
MOQ: 15 |
|
|
||||
|
Mfr. Part No. WS Part No. |
512 bit 64b x8 Serial Access TIMEKEEPER SRAM | IC RTC CLK/CALENDAR I2C 28-SOIC
|
4,000 pieces In Stock |
MOQ: 13 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
Serial Access Phantom RTC Supervisor | IC RTC PHANTOM SER 28-SOIC
|
2,400 pieces In Stock |
MOQ: 5 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
IC RTC CLK/CALENDAR I2C 8-SOIC
|
Datasheet
|
5,000 pieces In Stock |
MOQ: 22 |
|
|
