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M41T94MH6F
+Lista de MateriaisIC RTC CLK/CALENDAR SPI 28-SOIC
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FabricanteSTMicroeletrônica
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Peça do Fabricante #M41T94MH6F
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Ficha Técnica M41T94MH6F DataSheet
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Pacote SOIC-28
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Em Estoque2266
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer |
| Memory Size | 44B |
| 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 | 2.5V ~ 3.5V |
| Current - Timekeeping(Max) | 1.4mA @ 2.7V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Visão Geral
Equivalent
- 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
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
Application
- 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.