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Microchip Real Time Clock 64-bit Calendar DW:D:M:Y, 8-Pin TSSOP Surface MCP7940N-I/ST
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 1.05mm |
| Length | 4.5mm |
| Model | MCP7940N-I/ST |
| Width | 3.1mm |
| Mount Type | Surface |
| Series | MCP794 |
| Maximum Operating Temperature | 85°C |
| Package Type | TSSOP |
| Sub Type | Calendar |
| Minimum Operating Temperature | -40°C |
| Date Format | DW:D:M:Y |
| Pin Count | 8 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1.8V |
| Time Format | HH:MM:SS |
| RTC Memory Size | 64bit |
| Date FormatDW | D:M:Y |
| Time FormatHH | MM:SS |
| DW | D:M:Y |
| HH | MM:SS |
| Microchip MCP7940N-I/ST, Real Time Clock 64 bit Calendar DW | D:M:Y, 8-Pin TSSOP Surface |
Key Features
- The RTC offers precise real-time clock functionality with I²C interface.
- Compact size of 4.5mm length, 3.1mm width, and 1.05mm height for space-efficient PCB mounting.
- Operates reliably from a voltage range of 1.8V to 5.5V.
- Designed for operation within temperature range of -40°C to +85°C.
- 64-bit RTC memory supports calendar and clock with day, date, month, year data.
- Surface mount TSSOP package ensures easy PCB assembly.
- Suitable for electronics and embedded systems applications requiring accurate calendar timekeeping.
- Automotive standard not applicable, designed for general industrial use.
Product Description
Microchip MCP7940N-I/ST Real Time Clock is a high-precision timekeeping IC featuring a 64-bit calendar and clock with date format DW:D:M:Y and time format HH:MM:SS. It comes in an 8-pin TSSOP surface mount package with compact dimensions (4.5mm length × 3.1mm width × 1.05mm height), making it suitable for compact board designs and electronics systems integration.
This RTC module operates over a wide voltage supply range from 1.8V up to 5.5V and is designed to function within ambient temperatures from -40°C to +85°C, ensuring stable and reliable operation in various industrial, consumer electronics, and embedded applications.
The device contains 64-bit RTC memory storage enabling tracking of day, date, month, and year values accurately, interfaced via I²C communication protocol for simplified integration into microcontroller and processor-based designs.
Its low-profile surface mount TSSOP package supports efficient PCB space utilization and automated assembly processes. Although not compliant with automotive standards, MCP7940N-I/ST is widely used in industrial and commercial electronics applications requiring precise time and date keeping.
The RTC supports consistent time management in measurement, control, and data logging equipment. Compact physical footprint allows use in space-constrained devices and consumer electronics. Low power consumption enhances battery-powered device longevity.
Ideal for industrial instrumentation, embedded control systems, and IoT time synchronization. Can be used in laboratory automation, manufacturing, and HVAC systems requiring reliable real-time clocking. Explore more Microchip products and related Real Time Clock ICs within the Electronics & Electricals category at EnvMart for diverse industrial and technological applications.
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Frequently Asked Questions
This model operates reliably within a voltage range of 1.8V to 5.5V.
The dimensions of this real-time clock are 4.5mm in length, 3.1mm in width, and 1.05mm in height.
It is designed to function within an ambient temperature range of -40°C to +85°C.
This model comes in an 8-pin TSSOP surface mount package.
It uses the I²C communication protocol for interfacing with microcontrollers and processors.
It features a 64-bit RTC memory that supports calendar and clock functions, including day, date, month, and year data.
The time format supported by this model is HH:MM:SS.
It is suitable for industrial instrumentation, embedded control systems, and IoT time synchronization, among other applications.
The date format used by this model is DW:D:M:Y.
This real-time clock has a pin count of 8.
No, this model is not compliant with automotive standards and is designed for general industrial use.
The country of origin for this model is India.
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