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M48T58-70MH1 from ST,ST Microelectronics

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M48T58-70MH1

Manufacturer: ST

5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM

Partnumber Manufacturer Quantity Availability
M48T58-70MH1,M48T5870MH1 ST 10 In Stock

Description and Introduction

5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM The **M48T58-70MH1** is a timekeeping SRAM (Static Random Access Memory) device manufactured by **STMicroelectronics (ST)**. Below are the factual specifications, descriptions, and features:

### **Specifications:**
- **Type:** Non-volatile SRAM with Real-Time Clock (RTC)  
- **Density:** 64 Kbit (8 K × 8)  
- **Access Time:** 70 ns  
- **Operating Voltage:** 4.5V to 5.5V  
- **Standby Current:** 1 mA (typical)  
- **Data Retention:** Minimum 10 years with power off  
- **Clock Accuracy:** ±1 minute per month at 25°C  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin DIP (Dual In-line Package)  

### **Descriptions:**
- The **M48T58-70MH1** combines a **64 Kbit SRAM** with an integrated **real-time clock (RTC)** and power-fail control circuitry.  
- It is designed for applications requiring **non-volatile data storage** and **timekeeping**, such as embedded systems, industrial controls, and servers.  
- The device includes a **lithium energy source** (not user-replaceable) to maintain data and clock operation during power loss.  

### **Features:**
- **Non-volatile SRAM:** Retains data without power for at least 10 years.  
- **Integrated RTC:** Provides seconds, minutes, hours, day, date, month, and year with leap-year compensation.  
- **Automatic Power-Fail Detection:** Switches to battery backup when primary power fails.  
- **Low Power Consumption:** Optimized for battery-backed applications.  
- **Industrial Temperature Range:** Suitable for harsh environments.  
- **Industry-Standard Pinout:** Compatible with other similar timekeeping SRAMs.  

This information is based on the manufacturer's datasheet for the **M48T58-70MH1** by **STMicroelectronics**.

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