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MCP79410T-I/MS
+StücklisteIC RTC CLK/CALENDAR I2C 8-MSOP
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HerstellerMikrochip-Technologie
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Herstellerteil #MCP79410T-I/MS
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Datenblatt MCP79410T-I/MS DataSheet
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Paket MSOP-8
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Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, Square Wave Output, SRAM, Unique ID |
| Memory Size | 64B, 1Kb |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage - Supply | 1.8V ~ 5.5V |
| Voltage - Supply, Battery | 1.3V ~ 5.5V |
| Current - Timekeeping(Max) | 1.2µA @ 3.3V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Übersicht
Description
This RTC module integrates several useful features, such as a battery switchover function to maintain timekeeping during power failures and 64 bytes of battery-backed SRAM for non-volatile data storage. It also includes a programmable output for generating square wave signals and alarms for generating interrupts at predetermined times. The MCP79410T-I/MS is encapsulated in a compact 8-pin MSOP package, making it ideal for space-constrained applications. Its low power consumption makes it particularly suitable for battery-operated devices, where efficient energy use is crucial.
Equivalent
1. DS1307 - A real-time clock with I2C interface from Maxim Integrated.
2. PCF8563 - A low-power clock/calendar with I2C interface from NXP.
3. DS1338 - Another RTC from Maxim Integrated with similar features.
4. M41T00 - A serial real-time clock from STMicroelectronics.
These alternatives offer similar functionalities like timekeeping and non-volatile memory. Always verify pin compatibility and specification details.
Features
1. Timekeeping: Provides a real-time clock/calendar function with leap year compensation up to the year 2399 and supports 12/24-hour time formats.
2. Battery Backup: Features a backup battery input that maintains timekeeping during power failures, ensuring accurate time is kept.
3. EEPROM: Includes 64 bytes of non-volatile EEPROM for user data storage.
4. SRAM: Offers 64 bytes of SRAM for temporary data storage.
5. Unique ID: Contains a factory-programmed, 64-bit unique ID, which can be used for security and authentication purposes.
6. I²C Interface: Communicates via an I²C interface, allowing for easy integration into systems with existing I²C devices.
7. Power Management: Features power-fail and power-up detection, with a timestamp function to log power events.
8. Alarm Function: Includes two independent alarms that can be configured for different applications.
9. Oscillator: Equipped with an internal oscillator circuit that supports external 32.768 kHz crystal input for timekeeping accuracy.
These features make the MCP79410T-I/MS suitable for a wide range of applications requiring precise timekeeping and data logging.
Pinout
1. VCC (Pin 1): Supply voltage input.
2. SDA (Pin 2): Serial Data I/O for I2C communication.
3. SCL (Pin 3): Serial Clock Input for I2C communication.
4. MFP (Pin 4): Multi-Function Pin; can be configured for various functions, such as alarm output.
5. GND (Pin 5): Ground connection.
6. VBAT (Pin 6): Backup Battery Input; allows the RTC to maintain timekeeping during main power loss.
7. X1 (Pin 7): External 32.768 kHz crystal oscillator connection, input.
8. X2 (Pin 8): External 32.768 kHz crystal oscillator connection, output.
The MCP79410T-I/MS supports timekeeping functions, including seconds, minutes, hours, day, date, month, and year, with leap year compensation. It also features non-volatile memory and a programmable clock output.