Overview
The M48T129V-85PM1 is a real-time clock (RTC) and timekeeper SRAM integrated circuit produced by STMicroelectronics. Although this component is currently obsolete and no longer manufactured, it was widely used for its robust timekeeping and memory capabilities. The device operates at either 5.0V or 3.3V and features a 1 Mbit (128 Kbit x 8) SRAM, making it suitable for various applications requiring precise time and data storage.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage | 5.0V or 3.3V |
| Memory Size | 1 Mbit (128 Kbit x 8) |
| Access Time | 85ns |
| Temperature Grade | Commercial |
| Terminal Form | Through-hole |
| Time Format | HH:MM:SS (24 hr) |
| Additional Features | Alarm, Leap Year, Watchdog Timer |
Key Features
- Real-time clock with calendar and alarm functions
- Leap year compensation
- Watchdog timer for system monitoring
- 1 Mbit (128 Kbit x 8) SRAM for data storage
- Operates at 5.0V or 3.3V
- Precise timekeeping with HH:MM:SS format in 24-hour mode
Applications
The M48T129V-85PM1 was commonly used in various electronic systems that require accurate timekeeping and data storage. These include:
- Industrial control systems
- Medical devices
- Automotive systems
- Consumer electronics
- Data loggers and monitoring systems
Q & A
- What is the M48T129V-85PM1? The M48T129V-85PM1 is a real-time clock and timekeeper SRAM integrated circuit produced by STMicroelectronics.
- Why is the M48T129V-85PM1 obsolete? The M48T129V-85PM1 is no longer manufactured and has been replaced by newer models or substitutes.
- What are the operating voltages of the M48T129V-85PM1? The device operates at either 5.0V or 3.3V.
- What is the memory size of the M48T129V-85PM1? The device features a 1 Mbit (128 Kbit x 8) SRAM.
- What additional features does the M48T129V-85PM1 have? It includes alarm, leap year compensation, and a watchdog timer.
- What is the time format of the M48T129V-85PM1? The time format is HH:MM:SS in 24-hour mode.
- What are some common applications of the M48T129V-85PM1? It is used in industrial control systems, medical devices, automotive systems, consumer electronics, and data loggers.
- What is the access time of the M48T129V-85PM1? The access time is 85ns.
- What is the terminal form of the M48T129V-85PM1? The terminal form is through-hole.
- Where can I find substitutes for the M48T129V-85PM1? Substitutes such as the BQ4802LYDWR from Texas Instruments are available from various distributors.
