3.3V-5V TIMEKEEPER CONTROLLER The **M48T212Y70MH1** is a Timekeeper® SRAM manufactured by **STMicroelectronics (ST)**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Manufacturer:**
- **STMicroelectronics (ST)**
### **Specifications:**
- **Type:** Non-volatile SRAM (NVSRAM)
- **Density:** 128 Kb (16K x 8)
- **Supply Voltage:** 4.5V to 5.5V
- **Access Time:** 70 ns
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 28-pin PDIP (Plastic Dual In-line Package)
- **Integrated Features:**
- Real-Time Clock (RTC)
- Automatic battery switchover
- Lithium energy source included
### **Descriptions:**
- The **M48T212Y70MH1** combines a **static RAM** with a **real-time clock (RTC)** and an integrated **lithium energy source** for data retention.
- It is designed for applications requiring **non-volatile memory with timekeeping**, such as industrial controls, medical systems, and embedded computing.
- The device ensures **data integrity** during power loss by automatically switching to the backup battery.
### **Features:**
- **Non-volatile SRAM** with **128 Kb (16K x 8) organization**
- **Built-in real-time clock (RTC)** with **seconds, minutes, hours, day, date, month, and year** functions
- **Automatic power-fail detection and switchover** to battery backup
- **10-year minimum data retention** with integrated lithium energy source
- **Low-power CMOS technology**
- **Industrial temperature range (-40°C to +85°C)**
- **JEDEC-standard 28-pin PDIP package**
This information is strictly based on the manufacturer's datasheet and technical documentation.
