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M41T0M6F
+BOMIC RTC CLK/CALENDAR I2C 8-SOIC
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ManufacturerSTMicroelectronics
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Mfr. Part #M41T0M6F
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Datasheet M41T0M6F DataSheet
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Package 8-SOIC
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In Stock5770
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Clock/Calendar |
| TimeFormat | HH:MM:SS |
| DateFormat | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage-Supply | 2V ~ 5.5V |
| Current-Timekeeping(Max) | 1.2µA ~ 31µA @ 3V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
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Equivalent
1. DS1307 by Maxim Integrated
2. PCF8563 by NXP Semiconductors
3. RV-3028-C7 by Micro Crystal
4. MCP7940N by Microchip Technology
These chips have similar functionalities, such as keeping track of time and date, and typically include an I2C interface for communication. Always verify specific features and pin compatibility when selecting an equivalent.
Features
1. Timekeeping Functions: Tracks seconds, minutes, hours, day, date, month, and year, with built-in leap year compensation until 2100.
2. Interface: Utilizes I²C (Inter-Integrated Circuit) bus for communication, supporting a two-wire serial interface.
3. Battery Backup: Includes a battery switchover circuit for maintaining timekeeping during power failures.
4. Oscillator: Contains a low-power 32.768 kHz crystal oscillator for accurate timekeeping.
5. Programmable Alarms and Interrupts: Allows setting alarms and generating interrupts for various applications.
6. Low Power Consumption: Designed for minimal power usage to extend battery life.
7. Temperature Range: Operates across a wide temperature range, suitable for various environments.
8. Compact Package: Available in a small, surface-mount package for space-constrained applications.
These features make it suitable for embedded systems, consumer electronics, and other applications requiring accurate timekeeping.
Pinout
1. VCC (Pin 8): Power supply pin.
2. GND (Pin 4): Ground reference pin.
3. SDA (Pin 5): Serial Data Input/Output for I²C communication.
4. SCL (Pin 6): Serial Clock Input for I²C communication.
5. FT/OUT (Pin 7): Frequency Test or Output pin (programmable square wave signal output).
6. VBAT (Pin 3): Battery supply voltage input; ensures operation when VCC is absent.
7. OSCI (Pin 1): Oscillator input pin for external crystal connection.
8. OSCO (Pin 2): Oscillator output pin for external crystal connection.
The M41T0M6F keeps track of time and date information and communicates with a host microcontroller via the I²C bus. It is useful in applications requiring accurate timekeeping with battery backup.