Microchip Clock, Timing & Frequency ICs| RS

All Products
- Mechanical, Fluid Power & Tools
- Access, Storage & Material Handling
  Access, Storage & Material Handling
  - Ladders & Steps(134)
  - Material Lifting & Loading Equipment(477)
  - Storage & Shelving(1623)
  - Transit & Equipment Cases(420)
  - Trucks, Trolleys & Lifting Tables(305)
- Adhesives, Sealants & Tapes
  Adhesives, Sealants & Tapes
  - Adhesive, Sealant & Tape Dispensers(197)
  - Adhesives & Glues(387)
  - Sealants & Resins(263)
  - Tapes(1862)
- Bearings & Seals
  Bearings & Seals
  - Gaskets, Seals & Packings(6855)
  - Linear Motion(1307)
  - Rotary Bearings & Housing Units(11551)
- Engineering Materials & Industrial Hardware
  Engineering Materials & Industrial Hardware
  - Anti Vibration & Levelling Components(2227)
  - Carbon Fibre & Felt Sheets(8)
  - Castors & Wheels(1611)
  - Ceramic Materials(25)
  - Channel Support Systems(182)
  - Conveyor Components(511)
  - Insulation Materials(109)
  - Knobs, Levers & Handles(893)
  - Metal Materials(429)
  - Plastic & Rubber Materials(695)
  - Polishing & Finishing(31)
  - Shim Stock(98)
  - Structural Systems(2168)
- Fasteners & Fixings
  Fasteners & Fixings
  - Clips & Springs(1642)
  - Girder Fixings(140)
  - Magnets & Magnetic Strips(414)
  - Nails & Rivets(683)
  - Nuts & Washers(1561)
  - Pins, Keys & Retaining Clips(287)
  - Screws & Bolts(7381)
  - Sheet Metal & Panel Fasteners(204)
  - Spacers & Standoffs(1445)
  - Wall Plugs, Fixings & Anchors(646)
- Hand Tools
  Hand Tools
  - Cable, Connector & Crimping Tools(2197)
  - Clamps & Vices(504)
  - Hammers & Demolition(799)
  - Knives, Scissors & Saws(876)
  - Manual Grease Guns & Accessories(31)
  - Measuring & Marking(1291)
  - Pliers & Cutters(3366)
  - Sanding, Filing & Polishing(1243)
  - Screwdrivers, Hex & Torx Keys(6224)
  - Spanners, Sockets & Wrenches(9880)
  - Specialist Tools(1639)
  - Staplers & Riveters(64)
  - Threading Tools(1344)
  - Tool Kits & Tool Storage(1939)
- Mechanical Power Transmission
  Mechanical Power Transmission
  - Belts & Pulleys(8443)
  - Brakes & Clutches(50)
  - Bushes & Collars(726)
  - Electric Actuators(1051)
  - Gears & Racks(1071)
  - Lead Screws, Ball Screws & Ball Splines(124)
  - Power Transmission Couplings(1382)
  - Roller Chains & Accessories(1224)
- Plumbing & Pipeline
  Plumbing & Pipeline
  - Hose Pipe & Fittings(1971)
  - Pipes & Pipe Fittings(1951)
  - Pipework Maintenance & Water Treatment(131)
  - Sinks, Toilets & Showers(21)
  - Valves & Taps(2546)
  - Water Heating & Pumps(392)
- Pneumatics & Hydraulics
  Pneumatics & Hydraulics
  - Automated Air Blowers(24)
  - Compressed Air Piping Systems(227)
  - Hydraulic Cylinders, Pumps & Power Units(177)
  - Hydraulic Fittings & Tubing(2866)
  - Hydraulic Fluids & Filtration(122)
  - Hydraulic Instrumentation & Switches(141)
  - Hydraulic Tools(9)
  - Hydraulic Valves & Manifolds(244)
  - Pneumatic & Hydraulic Pressure Gauges(5690)
  - Pneumatic Air Preparation(3176)
  - Pneumatic Connectors, Fittings & Hose(9706)
  - Pneumatic Counters, Logic Controllers & Timers(75)
  - Pneumatic Cylinders & Actuators(11645)
  - Pneumatic Sensors & Switches(1172)
  - Pneumatic Valves(8165)
  - Vacuum Components(1418)
- Power Tools, Soldering & Welding
  Power Tools, Soldering & Welding
  - Air Tools(464)
  - Drill Bits & Parts(3386)
  - Grounds Maintenance Tools(75)
  - Milling & Lathing(424)
  - Power Tool Accessories(2000)
  - Power Tools(1208)
  - Sanding Belts, Discs & Wheels(1185)
  - Soldering(2701)
  - Welding & Brazing(157)
  - Workshop Tools(701)
- Electrical, Automation & Cables
- Automation & Control Gear
  Automation & Control Gear
  - Automation Signalling(5482)
  - Contactors & Auxiliary Contacts(10852)
  - Electric Motors(11910)
  - Industrial Robots(22)
  - PLCs, HMIs & Industrial Computing(8947)
  - Process Control(6944)
  - Sensors(25240)
  - Solenoids(138)
- Cables & Wires
  Cables & Wires
  - AV Cables(1472)
  - Cable Glands & Fittings(2309)
  - Cable Joints & Cable Sleeving(3143)
  - Cable Management(6169)
  - Cable Ties & Fixings(3095)
  - Computer Cables(1431)
  - Electrical Power & Industrial Cables(14048)
  - Networking & Coaxial Cables(6909)
  - Single Core Cable(4124)
  - Wire to Board Cables & Ribbon Cable(7447)
- Enclosures & Server Racks
  Enclosures & Server Racks
  - 19-Inch Racking(1149)
  - Enclosures(11931)
  - Enclosures & Racking Components(7108)
- Fuses & Circuit Breakers
  Fuses & Circuit Breakers
  - Circuit Breakers(20950)
  - Earth & Lightning Protection(116)
  - Fuse Holders & Accessories(1237)
  - Fuses(7826)
- HVAC, Fans & Thermal Management
  HVAC, Fans & Thermal Management
  - Air Conditioning & Fans(2366)
  - Air Conditioning & Heating Accessories(1602)
  - Electronics Heating & Cooling Components(1789)
  - Fan Accessories(391)
- Lighting
  Lighting
  - Light Bulbs, Lamps & Tubes(1388)
  - Light Fittings, Fixtures & Luminaires(1827)
  - Lighting Components(353)
  - Torches & Inspection Lamps(526)
- Relays & Signal Conditioning
  Relays & Signal Conditioning
  - Relay Accessories(891)
  - Relays(13520)
  - Signal Conditioners & Isolators(752)
- Switches
  Switches
  - Capacitive, Magnetic and Piezo Switches(1018)
  - DIP & Rotary Encoded Switches(1145)
  - Domestic Installation Switches(1164)
  - Foot Switches & Components(237)
  - Joysticks & Components(263)
  - Key Switches & Selector Switches(2153)
  - Keyboard & Keypad Switches(1841)
  - Limit & Position Switches(2627)
  - Micro Switches & Detector Switches(2360)
  - Push Button Switches & Components(12922)
  - Rocker Switches & Components(966)
  - Rope Pull Switches & Components(345)
  - Rotary Switches & Components(3349)
  - Safety Enabling & Control Switches(97)
  - Safety Interlock Switches & Components(2011)
  - Switch Disconnectors & Components(5818)
  - Toggle Switches & Slide Switches(2025)
- Electronic Components, Power & Connectors
- Batteries & Chargers
  Batteries & Chargers
  - Battery & Charger Accessories(602)
  - Battery Chargers & Power Banks(289)
  - Non-Rechargeable Batteries(528)
  - Rechargeable Batteries(618)
- Connectors
  Connectors
  - AV Connectors(1945)
  - Automotive Electrical Connectors(4919)
  - Backplane & Rack Connectors(1327)
  - Circular Connectors(20547)
  - IC Sockets & Adapters(668)
  - Mains & DC Power Connectors(5025)
  - Network & Telecom Connectors(3350)
  - PCB Connectors & Wire Housings(42067)
  - Power Connectors(9506)
  - RF Coaxial Connectors & Adapters(4864)
  - Terminal Blocks(30543)
  - USB, D Sub & Computing Connectors(9129)
  - Wire Terminals & Splices(6555)
- Displays & Optoelectronics
  Displays & Optoelectronics
  - Display Modules(1884)
  - Fibre Optic Components(232)
  - Indicators & Indicator Components(3799)
  - LED Lighting Components(5265)
  - LEDs - Light Emitting Diodes(6222)
  - Laser Modules & Components(261)
  - Optocouplers & Photodetectors(4572)
- ESD Control, Cleanroom & PCB Prototyping
  ESD Control, Cleanroom & PCB Prototyping
  - ESD Control & Clean Room(855)
  - PCB Etching, Preparation & Developing(56)
  - PCB Handling(100)
  - PCB Spacers, Pillars & Supports(816)
  - PCB Tools(124)
  - Prototyping Boards(585)
- Passive Components
  Passive Components
  - Antennas(2014)
  - Capacitors(41553)
  - Crystals, Oscillators & Resonators(3916)
  - EMI Filters & Protection(6723)
  - Fixed Resistors(46820)
  - Inductors(10180)
  - Passive Components Kits(325)
  - Rotary Encoders(370)
  - Sounder, Buzzer & Microphone Components(820)
  - Surge Protection Components(3557)
  - Variable Resistors(4542)
- Power Supplies & Transformers
  Power Supplies & Transformers
  - Power Supplies(8853)
  - Renewable Energy(113)
  - Transformers(3026)
  - Voltage Converters(15030)
- Raspberry Pi, Arduino, ROCK, STEM Education & Development Tools
  Raspberry Pi, Arduino, ROCK, STEM Education & Development Tools
  - Arduino Shop(222)
  - BBC micro:bit Shop(153)
  - Development Tools & Single Board Computers(5517)
  - ROCK SBC Shop(79)
  - Raspberry Pi Shop(368)
  - STEM Education(107)
- Semiconductors
  Semiconductors
  - Amplifiers & Comparators(5393)
  - Audio & Video ICs(117)
  - Chip Programmers & Debuggers(125)
  - Clock, Timing & Frequency ICs(1154)
  - Communication & Wireless Module ICs(1142)
  - Data Converters(1350)
  - Discrete Semiconductors(39907)
  - Interface ICs(3521)
  - Logic ICs(4579)
  - Memory Chips(2627)
  - Power Management ICs(14774)
  - Processors & Microcontrollers(7883)
  - Programmable Logic ICs(175)
  - Sensor ICs(3345)
- PPE, Safety, Test & IT
- Computing & Peripherals
  Computing & Peripherals
  - 3D Printing & Scanning(1124)
  - Audio & Video(739)
  - Barcode Scanners & Accessories(105)
  - Car Technology(10)
  - Computer Components & Software(1405)
  - Keyboards & Mice(572)
  - Labelling(1873)
  - Memory & Data Storage(1956)
  - Mobile Computing(160)
  - Networking & WiFi(2507)
  - Phones & Walkie Talkies(132)
  - Photography & Drones(26)
  - Printing & Scanning(255)
  - Remote Controls(163)
- Facilities Cleaning & Maintenance
  Facilities Cleaning & Maintenance
  - Brushes(379)
  - Cleaning Equipment(89)
  - Cleaning Sprays & Fluids(153)
  - Electronics Cleaners & Protective Coatings(220)
  - Floor Cleaning(834)
  - Greases, Oils & Lubricants(659)
  - Paint & Painting Supplies(340)
  - Washroom Equipment & Supplies(535)
  - Waste & Recycling(227)
  - Wipes & Cloths(541)
- Office Supplies
  Office Supplies
  - Desk Organisation(67)
  - Filing(78)
  - Office Equipment(151)
  - Office Furniture(398)
  - Paper & Consumables(660)
  - Posting & Packaging(92)
  - White Boards, Notice Boards & Planners(190)
  - Writing & Drawing Supplies(189)
- Personal Protective Equipment & Workwear
  Personal Protective Equipment & Workwear
  - Arm & Knee Protection(175)
  - Disposable Workwear(473)
  - Ear Protection(301)
  - Eye & Face Protection(1249)
  - Fall Protection(629)
  - Hand Protection(5187)
  - Head Protection(717)
  - Hi Vis Clothing(4267)
  - Respiratory Protection(770)
  - Safety Footwear(11867)
  - Workwear(12415)
- Security & Ironmongery
  Security & Ironmongery
  - CCTV & Security Surveillance(251)
  - Door Control & Seals(403)
  - Key Cabinets & Safes(179)
  - Latches, Hinges & Handles(976)
  - Locks & Bolts(1199)
  - Security Alarms & Sensors(365)
- Site Safety
  Site Safety
  - Fire Safety(184)
  - First Aid(240)
  - Lockout Tagout(506)
  - Safety Flooring(318)
  - Safety Signs(686)
  - Spillage Control(450)
  - Traffic Management & Crowd Control(861)
- Test & Measurement
  Test & Measurement
  - Bench Power Supplies & Sources(1674)
  - Data Acquisition & Logging(910)
  - Electrical Test & Measurement(1794)
  - Electronic Component Testing(282)
  - Engineering Test & Measurement(820)
  - Environmental Test & Measurement(839)
  - Lab Equipment(898)
  - Linear Test & Measurement(11)
  - Multimeters & Accessories(1237)
  - Network Test & Measurement(475)
  - Oscilloscopes & Accessories(2117)
  - Pressure Test & Measurement(400)
  - RF Test & Measurement(202)
  - Signal Generators & Analysers(538)
  - Speed Test & Measurement(83)
  - Temperature Test & Measurement(2557)
  - Test Connectors(2778)
  - Test Leads & Test Lead Kits(1526)
  - Weight & Force Test & Measurement(996)
Our Brands
- Top Brands
- All Brands
New Products
My Account
Our Services

£1.10 Each (In a Pack of 10) Also available in industry standard packaging Check stock levels Compare	Microchip MIC1557 MIC1557YM5-TR, Precision Timer Circuit 5MHz, 5-Pin SOT-23 Mounting TypeSurface Mount Timer TypePrecision, Standard Package TypeSOT-23 Number of Internal Timers1 Pin Count5 See similar products in Timer Circuits	RS Stock No. 910-1705 Brand Microchip Mfr. Part No. MIC1557YM5-TR
£0.84 Each (On a Reel of 3000) Check stock levels Compare	Microchip MIC1557 MIC1557YM5-TR, Precision Timer Circuit 5MHz, 5-Pin SOT-23 Mounting TypeSurface Mount Timer TypePrecision, Standard Package TypeSOT-23 Number of Internal Timers1 Pin Count5 See similar products in Timer Circuits	RS Stock No. 165-4288 Brand Microchip Mfr. Part No. MIC1557YM5-TR
£0.946 Each (In a Pack of 5) Also available in industry standard packaging Check stock levels Compare	Microchip MCP79410-I/SN, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC FunctionsBattery Backup, Calendar, NV SRAM Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-I2C See similar products in Real Time Clocks	RS Stock No. 726-3949 Brand Microchip Mfr. Part No. MCP79410-I/SN
£0.881 Each (In a Tube of 100) Check stock levels Compare	Microchip MCP79410-I/SN, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC FunctionsBattery Backup, Calendar, Clock, NV Timekeeping SRAM Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-I2C See similar products in Real Time Clocks	RS Stock No. 889-5121 Brand Microchip Mfr. Part No. MCP79410-I/SN
£0.864 Each (In a Pack of 10) Also available in industry standard packaging Check stock levels Compare	Microchip MCP79400-I/SN, Real Time Clock (RTC), 64B RAM Serial-2 Wire, Serial-I2C, 8-Pin SOIC FunctionsCalendar Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-2 Wire, Serial-I2C See similar products in Real Time Clocks	RS Stock No. 823-0776 Brand Microchip Mfr. Part No. MCP79400-I/SN
£0.686 Each (In a Tube of 100) Check stock levels Compare	Microchip MCP79400-I/SN, Real Time Clock (RTC), 64B RAM Serial-2 Wire, Serial-I2C, 8-Pin SOIC FunctionsCalendar Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-2 Wire, Serial-I2C See similar products in Real Time Clocks	RS Stock No. 165-2002 Brand Microchip Mfr. Part No. MCP79400-I/SN
£0.696 Each (On a Reel of 3000) Check stock levels Compare	Microchip MIC1555 MIC1555YM5-TR, Precision Timer Circuit 5MHz, 5-Pin SOT-23 Mounting TypeSurface Mount Timer TypePrecision, Standard Package TypeSOT-23 Number of Internal Timers1 Pin Count5 See similar products in Timer Circuits	RS Stock No. 165-4290 Brand Microchip Mfr. Part No. MIC1555YM5-TR
£0.92 Each (In a Pack of 10) Also available in industry standard packaging Check stock levels Compare	Microchip MIC1555 MIC1555YM5-TR, Precision Timer Circuit 5MHz, 5-Pin SOT-23 Mounting TypeSurface Mount Timer TypePrecision, Standard Package TypeSOT-23 Number of Internal Timers1 Pin Count5 See similar products in Timer Circuits	RS Stock No. 910-1733 Brand Microchip Mfr. Part No. MIC1555YM5-TR
£0.592 Each (In a Bag of 10) Check stock levels Compare	Microchip MCP7940M-I/P, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin PDIP FunctionsAlarm, Calendar Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-I2C See similar products in Real Time Clocks	RS Stock No. 774-7403 Brand Microchip Mfr. Part No. MCP7940M-I/P
£0.551 Each (In a Tube of 60) Check stock levels Compare	Microchip MCP7940M-I/P, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin PDIP FunctionsAlarm, Calendar Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-I2C See similar products in Real Time Clocks	RS Stock No. 146-0203 Brand Microchip Mfr. Part No. MCP7940M-I/P
£0.536 Each (In a Pack of 5) Also available in industry standard packaging Check stock levels Compare	Microchip MCP7940M-I/SN, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC FunctionsCalendar, NV SRAM Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-I2C See similar products in Real Time Clocks	RS Stock No. 761-7627 Brand Microchip Mfr. Part No. MCP7940M-I/SN
£0.564 Each (In a Tube of 100) Check stock levels Compare	Microchip MCP7940N-I/SN, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC FunctionsBattery Backup, Calendar Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-I2C See similar products in Real Time Clocks	RS Stock No. 912-2774 Brand Microchip Mfr. Part No. MCP7940N-I/SN
£0.488 Each (In a Tube of 100) Check stock levels Compare	Microchip MCP7940M-I/SN, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC FunctionsCalendar, NV SRAM Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-I2C See similar products in Real Time Clocks	RS Stock No. 912-6943 Brand Microchip Mfr. Part No. MCP7940M-I/SN
£0.674 Each (In a Pack of 10) Also available in industry standard packaging Check stock levels Compare	Microchip MCP7940N-I/SN, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC FunctionsBattery Backup, Calendar Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-I2C See similar products in Real Time Clocks	RS Stock No. 798-5258 Brand Microchip Mfr. Part No. MCP7940N-I/SN
£0.75 Each (In a Pack of 2) Also available in industry standard packaging Check stock levels Compare	Microchip MCP79410-I/MS, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin MSOP FunctionsBattery Backup, Calendar, NV SRAM Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-I2C See similar products in Real Time Clocks	RS Stock No. 723-4749 Brand Microchip Mfr. Part No. MCP79410-I/MS
£0.753 Each (In a Tube of 100) Check stock levels Compare	Microchip MCP79412-I/SN, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC FunctionsBattery Backup, Calendar Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-I2C See similar products in Real Time Clocks	RS Stock No. 146-0213 Brand Microchip Mfr. Part No. MCP79412-I/SN
£0.752 Each (In a Pack of 5) Also available in industry standard packaging Check stock levels Compare	Microchip MCP79412-I/SN, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC FunctionsBattery Backup, Calendar Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-I2C See similar products in Real Time Clocks	RS Stock No. 798-5260 Brand Microchip Mfr. Part No. MCP79412-I/SN
£7.85Each Also available in industry standard packaging Check stock levels Compare	Microchip 14.8ns CMOS, LVPECL, LVTTL Delay Line, 32-Pin MLF Logic FunctionDelay Line Input Signal TypeCMOS, LVPECL, LVTTL Output Logic LevelLVPECL Mounting TypeSurface Mount Package TypeMLF See similar products in Delay Lines & Timing Elements	RS Stock No. 911-2705 Brand Microchip Mfr. Part No. SY89295UMG
£1.067 Each (In a Pack of 10) Also available in industry standard packaging Check stock levels Compare	Microchip MCP79411-I/MS, Real Time Clock (RTC), 64B RAM Serial-2 Wire, Serial-I2C, 8-Pin MSOP FunctionsCalendar Date FormatDW:DM:M:Y Time FormatHH:MM:SS User RAM64B Bus TypeSerial-2 Wire, Serial-I2C See similar products in Real Time Clocks	RS Stock No. 825-1164 Brand Microchip Mfr. Part No. MCP79411-I/MS
£7.845 Each (In a Tube of 60) Check stock levels Compare	Microchip 14.8ns CMOS, LVPECL, LVTTL Delay Line, 32-Pin MLF Logic FunctionDelay Line Input Signal TypeCMOS, LVPECL, LVTTL Output Logic LevelLVPECL Mounting TypeSurface Mount Package TypeMLF See similar products in Delay Lines & Timing Elements	RS Stock No. 165-4196 Brand Microchip Mfr. Part No. SY89295UMG

Clock, Timing & Frequency ICs

CATEGORIES