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IC RTC CLK/CALENDAR I2C 8-SOIC
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HerstellerMikrochip-Technologie
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Herstellerteil #MCP79410T-I/SN
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Datenblatt MCP79410T-I/SN DataSheet
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Paket SOIC-8
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Auf Lager4459
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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
Key features of the MCP79410 include non-volatile EEPROM, a backup battery input to maintain timekeeping during power failures, and a programmable output for alarms or square wave generation. It also integrates a digital trimming capability to adjust oscillator frequency, ensuring precise timekeeping.
Communication with the device is facilitated via an I2C bus interface, making it easy to integrate with microcontrollers. The MCP79410 is suitable for applications needing accurate timekeeping, such as consumer electronics, industrial control, and automotive systems. The "T-I/SN" suffix refers to its specific package and temperature range options, which are tailored for surface mount applications.
Equivalent
1. DS1307- Maxim Integrated.
2. PCF8523 - NXP Semiconductors.
3. DS3231 - Maxim Integrated (offers higher accuracy).
4. RV-3028-C7 - Micro Crystal (ultra-low power consumption).
5. ST M41T62LC6F - STMicroelectronics.
When choosing an equivalent, consider features like voltage range, accuracy, and additional functions such as EEPROM or temperature compensation.
Features
1. Real-Time Clock: It keeps track of time, including seconds, minutes, hours, day, date, month, and year, with leap year compensation up to the year 2399.
2. I²C Interface: The device communicates through an I²C bus, making it compatible with many microcontrollers.
3. Battery Backup: It includes a backup battery input to maintain timekeeping during power outages.
4. 32.768 kHz Oscillator: It uses an external crystal oscillator for accurate timekeeping.
5. EEPROM: The module features 64 bytes of Electrically Erasable Programmable Read-Only Memory (EEPROM) for non-volatile data storage.
6. SRAM: It contains 64 bytes of static RAM for temporary data storage.
7. Timestamping: The device can timestamp events to mark occurrences.
8. Programmable Alarms: It includes alarms that can be programmed to trigger at specific times.
9. Digital Trimming: The RTC offers digital trimming to compensate for oscillator frequency drift.
Overall, the MCP79410T-I/SN is a versatile timekeeping solution suitable for a wide range of applications requiring reliable and accurate time management.
Pinout
1. VCC: Power supply input.
2. MFP: Multi-function pin, which can be configured as an output for alarms, square wave, or other functions.
3. SCL: Serial Clock Line, used for I2C communication.
4. SDA: Serial Data Line, used for I2C communication.
5. VSS: Ground connection.
6. Vbat: Battery backup input for maintaining time and date when the main power is off.
7. X1: External clock input. Connect to a 32.768 kHz crystal.
8. X2: External clock output. Connect to a 32.768 kHz crystal.
The MCP79410T-I/SN is used in applications requiring accurate timekeeping with features like alarms, timestamping, and battery switchover for uninterrupted operation during power failures.
Manufacturer
Application
1. Consumer Electronics: For time-stamping and scheduling operations in devices like TVs, DVRs, and smart appliances.
2. Industrial Automation: In systems that require precise timing for control processes.
3. Data Logging: For recording timestamps in data loggers and environmental monitoring systems.
4. Telecommunications: Providing timing functions in networking and communication equipment.
5. Personal Computing: Used in PCs and laptops to maintain system time.
6. Security Systems: For timed access control and event logging.
The module's features like battery-backed SRAM and unique ID make it ideal for maintaining data integrity and security in various applications.