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M41T93RQA6F
+物料清單IC RTC CLK/CALENDAR SPI 16QFN
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製造商部分 #M41T93RQA6F
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規格
| 屬性 | 價值 |
| Part Status | Active |
| DigiKey Programmable | Not Verified |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer |
| Memory Size | 7B |
| Time Format | HH:MM:SS:hh (24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | SPI |
| Voltage - Supply | 2.7V ~ 5.5V |
| Voltage - Supply, Battery | 1.8V ~ 5.5V |
| Current - Timekeeping (Max) | 10µA @ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-VQFN Exposed Pad |
| Supplier Device Package | 16-QFN (4x4) |
| Base Product Number | M41T93 |
概述
Description
Equivalent
Features
1. Timekeeping Precision: Maintains accurate timekeeping with a typical precision of ±3 minutes per year.
2. Power Supply: Operates on a voltage range of 1.8V to 5.5V, making it suitable for battery-powered applications.
3. Low Power Consumption: Designed for low energy usage, ideal for portable devices.
4. Integrated Oscillator: Comes with an internal 32.768 kHz oscillator, eliminating the need for external components.
5. Alarm Functions: Supports programmable alarms for timed notifications.
6. I2C Interface: Utilizes an I2C interface for easy communication with microcontrollers.
7. Battery Backup: Equipped with a backup battery option to maintain time during power failures.
These features make the M41T93RQA6F suitable for applications in consumer electronics, automotive, and industrial devices requiring accurate timekeeping.
Pinout
1. VCC (Pin 1): Power supply pin.
2. GND (Pin 2): Ground reference.
3. SCL (Pin 3): I²C serial clock input.
4. SDA (Pin 4): I²C serial data input/output.
5. SQW/INT (Pin 5): Square wave output or interrupt output.
6. BAT (Pin 6): Backup power input for the RTC.
7. 32K (Pin 7): 32 kHz output for clock applications.
8. NC (Pin 8): No connection.
This RTC is designed for low power consumption and includes features like battery backup to maintain timekeeping during power outages. It communicates via the I²C protocol, making it suitable for various embedded systems.
Manufacturer
STMicroelectronics is known for its innovation in various sectors, including automotive, industrial, personal electronics, and the Internet of Things (IoT). The M41T93RQA6F itself is a real-time clock (RTC) integrated circuit, widely used in applications requiring precise timekeeping, such as in consumer electronics, telecommunications, and automotive systems. The company operates globally, serving a diverse customer base and emphasizing sustainability and technological advancement in its operations.
Application
1. Consumer Electronics: Digital clocks, appliances, and remote controls.
2. Embedded Systems: Microcontrollers and development boards needing time-stamping.
3. Industrial Automation: Time tracking for equipment and processes.
4. Automotive: Timekeeping in vehicle systems and infotainment units.
5. Telecommunications: Synchronization in network devices.
6. Medical Devices: Time-sensitive monitoring and equipment.
7. Smart Home Devices: Automation systems requiring time-based controls.
Its low power consumption makes it suitable for battery-operated devices.