Overview
The M48T08Y-10MH1F from STMicroelectronics is a highly integrated electronic component that combines an 8 K x 8 non-volatile static RAM (SRAM) with a real-time clock (RTC). This device is pin and function compatible with the DS1643 and adheres to JEDEC standard 8 K x 8 SRAMs. It is designed to provide a robust battery-backed memory and real-time clock solution, making it suitable for a variety of applications requiring non-volatile data storage and precise timekeeping.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage - Min | 4.5 V |
| Supply Voltage - Max | 5.5 V |
| Minimum Operating Temperature | 0 °C |
| Maximum Operating Temperature | +70 °C |
| Memory Type | Non-Volatile SRAM (NV SRAM) |
| Memory Size | 64 Kbit (8 Kb x 8) |
| Interface | Parallel |
| Package Type | 28-pin SOIC, 28-pin DIP CAPHAT™ |
| Mounting Type | Through-Hole Technology (THT) |
Key Features
- Integrated ultra-low power SRAM and real-time clock with power-fail control circuit and battery.
- BYTEWIDE™ RAM-like clock access.
- BCD coded year, month, day, date, hours, minutes, and seconds.
- Typical clock accuracy of ±1 minute a month at 25 °C.
- Automatic power-fail chip deselect and WRITE protection.
- Software controlled clock calibration for high accuracy applications.
- Self-contained battery and crystal in the CAPHAT™ DIP package or SNAPHAT® top for SOIC package.
- RoHS compliant – Lead-free second level interconnect.
Applications
The M48T08Y-10MH1F is suitable for various applications that require non-volatile data storage and precise timekeeping. These include:
- Embedded systems requiring real-time clock functionality.
- Data logging and monitoring systems.
- Industrial control systems.
- Medical devices and equipment.
- Aerospace and automotive systems where reliable timekeeping is critical.
Q & A
- What is the M48T08Y-10MH1F?
The M48T08Y-10MH1F is an 8 K x 8 non-volatile static RAM and real-time clock integrated circuit from STMicroelectronics.
- What are the key features of the M48T08Y-10MH1F?
Key features include integrated ultra-low power SRAM, real-time clock, power-fail control circuit, and battery; BYTEWIDE™ RAM-like clock access; BCD coded time and date; and software controlled clock calibration.
- What is the typical clock accuracy of the M48T08Y-10MH1F?
The typical clock accuracy is ±1 minute a month at 25 °C.
- What are the operating temperature ranges for the M48T08Y-10MH1F?
The device operates between 0 °C and +70 °C.
- What types of packages are available for the M48T08Y-10MH1F?
The device is available in 28-pin SOIC and 28-pin DIP CAPHAT™ packages.
- Is the M48T08Y-10MH1F RoHS compliant?
Yes, the device is RoHS compliant with lead-free second level interconnect.
- How does the SNAPHAT® housing work with the SOIC package?
The SNAPHAT® housing, which contains the battery and crystal, can be mounted on top of the SOIC package after the surface mount process to prevent damage from high temperatures.
- What are some common applications for the M48T08Y-10MH1F?
Common applications include embedded systems, data logging and monitoring systems, industrial control systems, medical devices, and aerospace and automotive systems.
- Is the M48T08Y-10MH1F compatible with other SRAMs?
Yes, it is pin and function compatible with the DS1643 and JEDEC standard 8 K x 8 SRAMs.
- How does the power-fail protection work?
The device features automatic power-fail chip deselect and WRITE protection to ensure data integrity during power failures.
