規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer |
| MemorySize | 44B |
| TimeFormat | HH:MM:SS:hh (24 hr) |
| DateFormat | YY-MM-DD-dd |
| Interface | SPI |
| Voltage-Supply | 2.7V ~ 5.5V |
| Voltage-SupplyBattery | 2.5V ~ 3.5V |
| Current-Timekeeping(Max) | 1.4mA @ 2.7V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets |
概述
Equivalent
Equivalent products to the M41T94MH6F (a real-time clock chip by STMicroelectronics) include:
- DS3231 (Maxim Integrated) – Higher accuracy.
- PCF8563 (NXP) – I²C interface, lower cost.
- MCP7940N (Microchip) – Battery-backed, I²C.
- RX-8900SA (Epson) – Ultra-low power, I²C.
Check pin compatibility and features before substitution.
- DS3231 (Maxim Integrated) – Higher accuracy.
- PCF8563 (NXP) – I²C interface, lower cost.
- MCP7940N (Microchip) – Battery-backed, I²C.
- RX-8900SA (Epson) – Ultra-low power, I²C.
Check pin compatibility and features before substitution.
Pinout
The M41T94MH6F is a serial real-time clock (RTC) with 8 pins in an SOIC-8 package.
Key Functions:
- I²C Interface (2-wire serial communication)
- Timekeeping (seconds, minutes, hours, day, date, month, year)
- Battery Backup (operates down to 1.3V)
- Alarm & Timer Functions
- 32.768 kHz Crystal Oscillator Support
- Low Power Consumption
Pinout Summary:
1. NC (No Connect)
2. SDA (Serial Data)
3. SCL (Serial Clock)
4. SQW/INT (Square Wave/Interrupt Output)
5. VSS (Ground)
6. VBAT (Battery Input)
7. NC (No Connect)
8. VCC (Power Supply, 1.8V–5.5V)
Used in embedded systems for accurate timekeeping with minimal power draw.
Key Functions:
- I²C Interface (2-wire serial communication)
- Timekeeping (seconds, minutes, hours, day, date, month, year)
- Battery Backup (operates down to 1.3V)
- Alarm & Timer Functions
- 32.768 kHz Crystal Oscillator Support
- Low Power Consumption
Pinout Summary:
1. NC (No Connect)
2. SDA (Serial Data)
3. SCL (Serial Clock)
4. SQW/INT (Square Wave/Interrupt Output)
5. VSS (Ground)
6. VBAT (Battery Input)
7. NC (No Connect)
8. VCC (Power Supply, 1.8V–5.5V)
Used in embedded systems for accurate timekeeping with minimal power draw.
Manufacturer
The M41T94MH6F is manufactured by STMicroelectronics, a multinational semiconductor company based in Switzerland. STMicroelectronics specializes in designing and producing a wide range of semiconductor products, including microcontrollers, sensors, power management ICs, and real-time clocks (RTCs) like the M41T94MH6F. The company serves industries such as automotive, industrial, consumer electronics, and IoT. Known for innovation and reliability, STMicroelectronics is a key player in the global semiconductor market.
Application
The M41T94MH6F is a serial real-time clock (RTC) with battery backup, commonly used in:
- Industrial automation (timing control, data logging)
- Consumer electronics (smart appliances, set-top boxes)
- Automotive systems (dashboard clocks, event recorders)
- Medical devices (time-stamped diagnostics)
- Networking equipment (synchronization in routers/switches)
It provides accurate timekeeping, low power consumption, and I²C interface support, making it suitable for embedded systems requiring reliable time/date functions.
- Industrial automation (timing control, data logging)
- Consumer electronics (smart appliances, set-top boxes)
- Automotive systems (dashboard clocks, event recorders)
- Medical devices (time-stamped diagnostics)
- Networking equipment (synchronization in routers/switches)
It provides accurate timekeeping, low power consumption, and I²C interface support, making it suitable for embedded systems requiring reliable time/date functions.
Package
The M41T94MH6F is a real-time clock (RTC) IC packaged in a SOIC-8 (Small Outline Integrated Circuit) with 8 pins. This surface-mount package is compact and widely used for timekeeping applications. It includes a built-in 32.768 kHz oscillator and operates with low power consumption. The SOIC-8 package is suitable for space-constrained designs.
