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M48T212V-85MH1 from ST,ST Microelectronics

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M48T212V-85MH1

Manufacturer: ST

3.3V-5V TIMEKEEPER CONTROLLER

Partnumber Manufacturer Quantity Availability
M48T212V-85MH1,M48T212V85MH1 ST 11 In Stock

Description and Introduction

3.3V-5V TIMEKEEPER CONTROLLER The **M48T212V-85MH1** is a Timekeeper SRAM manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Type:** Non-volatile SRAM (NVSRAM) with a built-in real-time clock (RTC)  
- **Density:** 128 Kbit (16 K × 8)  
- **Access Time:** 85 ns  
- **Operating Voltage:** 4.5V to 5.5V  
- **Battery Backup Voltage:** 2.0V to 3.5V (lithium battery)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SOIC (MH)  

### **Descriptions:**  
- Integrates SRAM, a real-time clock (RTC), and power-fail control circuitry.  
- Automatically switches to battery backup when main power is lost.  
- The RTC provides timekeeping (seconds, minutes, hours, day, date, month, and year) with leap-year compensation.  
- Low-power CMOS technology for battery backup operation.  

### **Features:**  
- **Non-volatile SRAM:** Retains data without power using an embedded lithium energy source.  
- **Real-Time Clock (RTC):** Tracks time in 12-hour or 24-hour format.  
- **Automatic Power-Fail Chip Deselect:** Protects data during power loss.  
- **Battery Status Indicator:** Monitors battery voltage level.  
- **Industrial Temperature Range:** Suitable for harsh environments.  
- **JEDEC Standard Pinout:** Compatible with standard SRAMs.  

This device is commonly used in applications requiring persistent memory and accurate timekeeping, such as industrial controllers, networking equipment, and embedded systems.

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