Product Categories

Application Specific Clock/Timing

[15]

Audio Special Purpose

[18]

LDO Voltage Regulators

[66]

Clock Buffers, Drivers

[146]

Instrumentation, OP Amps, Buffer Amps

[214]

Switching Controllers

[137]

Clock Generators, PLLs, Frequency Synthesizers

[79]

LDO Voltage Controllers

[417]

Delay Lines

[3]

Linear Voltage Regulators

[4]

Video Amps and Modules

[14]

IC Batteries

[3]

Switching Voltage Regulators

[715]

Programmable Timers and Oscillators

[23]

RF JFET Transistors

[10]

Analog to Digital Converters - ADC

[50]

Hot Swap Voltage Controllers

[6]

Real Time Clocks

[108]

ADCs/DACs - Special Purpose

[26]

Digital to Analog Converters - DAC

[29]

RF Bipolar Transistors

[2]

EEPROM

[15]

Flash Memory

[91]

Digital Potentiometers

[2]

Memory ICs

[806]

Analog Comparators

[56]

Limiting Amplifiers

[2]

Application Specific Microcontrollers

[16]

SRAM

[27]

CPLDs (Complex Programmable Logic Devices)

[257]

Operational Amplifiers - Op Amps

[112]

DSP (Digital Signal Processors)

[27]

Video Amplifiers

[2]

FPGAs (Field Programmable Gate Array)

[697]

Isolation Amplifiers

[3]

Audio Amplifiers

[63]

Audio D/A Converter ICs

[3]

Microcontrollers

[1497]

Instrumentation Amplifiers

[1]

Microcontrollers, Microprocessor, FPGA Modules

[1]

LED Lighting Drivers

[200]

Microprocessors

[6]

PLDs (Programmable Logic Device)

[72]

Video ICs

[28]

Audio DSPs

[5]

System On Chip (SoC)

[127]

Analog Switches - Special Purpose

[87]

High Speed Optocouplers

[39]

AC/DC Converters

[7]

Analog Switches, Multiplexers, Demultiplexers

[7]

CODECS

[42]

Gate Drivers

[395]

Supervisory Circuits

[71]

Logic Output Optocouplers

[19]

Specialized ICs

[4]

Battery Management

[39]

Drivers, Receivers, Transceivers

[9]

Encoders, Decoders, Converters

[10]

Voltage References

[36]

Filters - Active

[4]

Power Management Specialized - PMIC

[48]

Clock Buffer

[26]

I/O Expanders

[67]

LCD, OLED, Graphic

[3]

Modems - ICs and Modules

[6]

Real Time Clock

[3]

RF Accessories

[2]

Clock Generators & Support Products

[49]

Modules

[4]

RF Transceiver ICs

[201]

Ethernet ICs

[69]

Sensor and Detector Interfaces

[25]

Fiber Optic Transmitters - Drive Circuitry Integrated

[1]

Sensor, Capacitive Touch

[6]

Timers & Support Products

[16]

Network Controller & Processor ICs

[27]

Serializers, Deserializers

[21]

Interface - Specialized

[99]

LED Emitters - Infrared, UV, Visible

[15]

Signal Buffers, Repeaters, Splitters

[35]

Motor / Motion / Ignition Controllers & Drivers

[134]

semiconductors-Integrated Circuits - ICs

[222]

CAN Interface IC

[26]

Specialized

[6]

Digital Isolators

[178]

Telecom

[94]

PCI Interface IC

[35]

UARTs (Universal Asynchronous Receiver Transmitter

[74]

Clock Synthesizer / Jitter Cleaner

[29]

Voice Record and Playback

[23]

RS-232 Interface IC

[123]

Interface - I/O Expanders

[8]

Sensor Hardware & Accessories

[1]

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors

[21]

Telecom Interface ICs

[16]

Interface - CODECs

[1]

Resettable Fuses - PPTC

[136]

Video Processing

[86]

Buffers, Drivers, Receivers, Transceivers

[115]

Linear Displacement Sensors

[2]

RS-422/RS-485 Interface IC

[152]

Comparators

[10]

USB Interface IC

[26]

Counters, Dividers

[2]

Interface - Signal Buffers, Repeaters

[5]

Varistors

[54]

Automotive Connectors

[295]

FIFOs Memory

[1]

I/O Connectors

[38]

Board to Board & Mezzanine Connectors

[165]

Gates and Inverters

[126]

Gates and Inverters - Multi-Function, Configurable

[3]

Modular Connectors / Ethernet Connectors

[35]

Buffers & Line Drivers

[56]

USB Connectors

[54]

Inverters

[89]

Multivibrators

[8]

Latches

[14]

Parity Generators and Checkers

[1]

Drivers, Receivers, Transceivers IC

[225]

Shift Registers

[17]

Signal Switches, Multiplexers, Decoders

[1]

Phase Locked Loops - PLL

[6]

Specialty Logic

[2]

RF FETs, MOSFETs

[58]

RF Misc ICs and Modules

[30]

Translators, Level Shifters

[38]

Single, Pre-Biased Bipolar Transistors

[69]

RF Mixers

[2]

Configuration PROMs for FPGAs

[632]

Proximity Sensors

[5]

TVS Diodes / ESD Suppressors

[1326]

AC DC Converters, Offline Switches

[539]

RF Directional Coupler

[3]

Battery Chargers

[103]

Bridge Rectifiers

[1]

Bipolar Transistor Arrays, Pre-Biased

[17]

Current Regulation/Management

[19]

Zener Diode Arrays

[5]

DC DC Switching Controllers

[87]

Diodes - General Purpose, Power, Switching

[27]

Display Drivers

[17]

Schottky Diodes & Rectifiers

[20]

Current Sensors

[20]

Energy Metering

[7]

Varactor Diodes

[1]

Full Half-Bridge Drivers

[49]

Zener Diodes

[20]

SCRs

[23]

Bipolar Transistors - BJT

[266]

Hot Swap Controllers

[11]

Triacs

[14]

IGBT Modules

[1051]

Lighting, Ballast Controllers

[1]

IGBT Transistors

[116]

Motor Drivers, Controllers

[2]

Darlington Transistors

[23]

OR Controllers, Ideal Diodes

[11]

Bipolar Transistor Arrays

[76]

PFC (Power Factor Correction)

[37]

Bipolar RF Transistors

[6]

Power Distribution Switches, Load Drivers

[7]

Power Management - Specialized

[2]

Sidacs

[9]

Power Over Ethernet (PoE) Controllers

[21]

Power Supply Controllers, Monitors

[41]

16-bit Microcontrollers - MCU

[2]

RF Receivers

[31]

ARM Microcontrollers - MCU

[29]

Special Purpose Regulators

[6]

32-bit Microcontrollers - MCU

[2]

RFID, RF Access, Monitoring ICs

[5]

Supervisors

[122]

8-bit Microcontrollers - MCU

[47]

Thermal Management

[9]

Analog Front End - AFE

[6]

RF Multiplexers

[18]

Humidity, Moisture Sensors

[15]

Touch Screen Controllers

[10]

Voltage Reference

[4]

Power Driver Modules

[3]

Voltage Regulators - DC DC Switching Regulators

[3000]

Balun

[14]

DRAM

[42]

Voltage Regulators - Linear

[297]

RFID Transponders, Tags

[3]

Voltage Regulators - Linear + Switching

[24]

Fiber Optic Receivers

[1]

Security ICs / Authentication ICs

[3]

Voltage Regulators - Linear Regulator Controllers

[364]

Controllers

[268]

Current Sense Amplifiers

[8]

RF Transmitters

[19]

Differential Amplifiers

[4]

Flow Sensors

[14]

High Speed Operational Amplifiers

[6]

RF Front End (LNA + PA)

[50]

RF Detectors

[3]

Headers & Wire Housings

[517]

Memory

[902]

Sample & Hold Amplifiers

[1]

RF Power Dividers/Splitters

[2]

Special Purpose Amplifiers

[6]

Gas Sensors

[2]

Precision Amplifiers

[7]

LED Dot Matrix and Cluster

[2]

Ballasts, Inverters

[3]

LCD Drivers

[1]

Microphone Preamplifiers

[3]

RFID Antennas

[2]

RF Demodulators

[1]

Transimpedance Amplifiers

[1]

IrDA Transceiver Modules

[10]

LED Display Drivers

[4]

Color Sensors

[4]

High Linearity Optocouplers

[8]

MOSFET Output Optocouplers

[5]

RF Receiver, Transmitter, and Transceiver Finished Units

[1]

Transistor Output Optocouplers

[167]

Ultrasonic Receivers, Transmitters

[3]

Laser Drivers

[4]

FETs, MOSFETs

[2977]

Multifunction

[1]

Triac & SCR Output Optocouplers

[35]

Force Sensors - Industrial

[2]

Photodiode Output Optocouplers

[1]

Analog and Digital Output

[73]

Current & Power Monitors & Regulators

[2]

Particle, Dust Sensors

[2]

Power Factor Correction - PFC

[2]

White LED Lighting

[2]

LED Indication - Discrete

[30]

Switches (Solid State)

[65]

Wireless Charging ICs

[2]

Clock Drivers & Distribution

[3]

Discrete Semiconductor Modules

[734]

Fiber Optic Transceiver Modules

[19]

CPLD - Complex Programmable Logic Devices

[1]

RF Amplifiers

[50]

Analog & Digital Crosspoint ICs

[2]

RF Antennas

[10]

Digital Signal Processors & Controllers - DSP, DSC

[5]

RS-485 Interface IC

[26]

Hard Metric Connectors

[20]

LIN Transceivers

[10]

LVDS Interface IC

[2]

RF Connectors / Coaxial Connectors

[40]

FPGA - Configuration Memory

[1]

Sensor Interface

[5]

High Speed / Modular Connectors

[22]

I/O Controller Interface IC

[12]

RF Diodes

[57]

RS-422 Interface IC

[9]

Microprocessors - MPU

[6]

UART Interface IC

[4]

Systems on a Chip - SoC

[1]

Digital Potentiometer ICs

[48]

Modulator / Demodulator

[1]

RF Transmitter

[3]

Equalizers

[2]

Phase Detectors / Shifters

[4]

MEMS Microphones

[2]

RF Wireless Misc

[2]

Microphones

[14]

Light to Digital Converters

[1]

Board Mount Pressure Sensors

[47]

Up-Down Converters

[1]

Display Interface IC

[1]

RF System on a Chip - SoC

[2]

Board Mount Current Sensors

[2]

Bus Transceivers

[12]

Industrial Pressure Sensors

[1]

Counter Shift Registers

[17]

Board Mount Hall Effect / Magnetic Sensors

[10]

Logic Gates

[14]

Board Mount Humidity Sensors

[19]

Translation - Voltage Levels

[57]

Board Mount Motion & Position Sensors

[25]

Encoders, Decoders, Multiplexers & Demultiplexers

[83]

Flip Flops

[20]

Board Mount Temperature Sensors

[3]

Bus Receivers

[1]

Analog Switch ICs

[53]

PCI Express / PCI Connectors

[14]

D-Sub High Density Connectors

[335]

Power Switch ICs - POE / LAN

[11]

D-Sub Backshells

[1]

USB Switch ICs

[4]

D-Sub Tools & Hardware

[3]

Digital Bus Switch ICs

[11]

Memory Card Connectors

[43]

Power Switch ICs - Power Distribution

[349]

D-Sub Standard Connectors

[1]

FFC & FPC Connectors

[131]

Multiplexer Switch ICs

[101]

Switch ICs - Various

[8]

RF Front End

[27]

Industrial Temperature Sensors

[2]

RF Transceiver

[7]

RF Mixer

[9]

RF Receiver

[49]

RFID Transponders

[1]

Surface Mount Fuses

[155]

RF Amplifier

[190]

HDMI, Displayport & DVI Connectors

[8]

Heavy Duty Power Connectors

[2]

DIN 41612 Connectors

[1]

RF Switch ICs

[101]

Attenuators

[25]

Image Sensors, Camera

[10]

PTC Thermistors

[7]

MOSFET

[853]

Photo Detectors - Remote Receiver

[16]

Accelerometers

[34]

Single Zener Diodes

[183]

Photodiodes

[20]

Single Diodes

[789]

Photointerrupters - Slot Type - Transistor Output

[43]

Single FETs, MOSFETs

[860]

Ambient Light, IR, UV Sensors

[34]

Diode Arrays

[182]

Linear, Compass (ICs)

[41]

JFETs

[12]

Photointerrupters - Slot Type - Logic Output

[21]

Variable Capacitance (Varicaps, Varactors)

[23]

Phototransistors

[15]

IMUs (Inertial Measurement Units)

[37]

Reflective - Analog Output

[22]

Distance Measuring

[9]

Inrush Current Limiters

[2]

FPGA - Field Programmable Gate Array

[235]

Thermostats - Solid State

[3]

DIACs, SIDACs

[2]

Gyroscopes

[9]

Special Purpose

[1]

Reflective - Logic Output

[6]

Tilt Switches

[1]

Rectifiers

[22]

SCRs - Modules

[21]

RTD (Resistance Temperature Detector)

[5]

Optical Motion Sensors

[5]

Position, Proximity, Speed (Modules) - Industrial

[4]

Inclinometers

[4]

Compass, Magnetic Field (Modules)

[5]

Photo Detectors - Logic Output

[1]

Photoelectric, Industrial

[1]

NTC Thermistors

[40]

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AI CHIPLINK LIMITED

City:hong kong

Country/Region:china

Contact Person:MrGeorge

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MCP7940NT-I/SN

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Category :Integrated Circuits (ICs) Clock/Timing Real Time Clocks

Product Status :Active

Digi-Key Programmable :Not Verified

Mounting Type :Surface Mount

Package :Tape & Reel (TR) Cut Tape (CT) Digi-Reel®

Series :Automotive, AEC-Q100

Current - Timekeeping (Max) :1.2µA @ 3.3V

Time Format :HH:MM:SS (12/24 hr)

Supplier Device Package :8-SOIC

Date Format :YY-MM-DD-dd

Mfr :Microchip Technology

Operating Temperature :-40°C ~ 85°C

Memory Size :64B

Voltage - Supply :1.8V ~ 5.5V

Voltage - Supply, Battery :1.3V ~ 5.5V

Package / Case :8-SOIC (0.154", 3.90mm Width)

Interface :I²C, 2-Wire Serial

Type :Clock/Calendar

Base Product Number :MCP7940

Features :Alarm, Leap Year, Square Wave Output, SRAM

Description :IC RTC CLK/CALENDAR I2C 8SOIC

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Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width)