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M48T35-70PC1 from ST,ST Microelectronics

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M48T35-70PC1

Manufacturer: ST

256 KBIT (32KB X8) TIMEKEEPER SRAM

Partnumber Manufacturer Quantity Availability
M48T35-70PC1,M48T3570PC1 ST 54 In Stock

Description and Introduction

256 KBIT (32KB X8) TIMEKEEPER SRAM The **M48T35-70PC1** is a Timekeeping RAM (TKRAM) manufactured by **STMicroelectronics**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
- **STMicroelectronics (ST)**  

### **Specifications:**  
- **Type:** Non-Volatile Static RAM (NVSRAM) with Real-Time Clock (RTC)  
- **Density:** 32K x 8 (256 Kb)  
- **Access Time:** 70 ns  
- **Supply Voltage:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 28-pin DIP (Dual In-line Package)  
- **Battery Backup:** Integrated lithium energy source  
- **Data Retention:** Minimum 10 years in the absence of power  

### **Descriptions:**  
- Combines a **static RAM** with a **real-time clock/calendar** and an integrated battery.  
- Designed for applications requiring **non-volatile timekeeping and data storage**.  
- The **M48T35** provides **seconds, minutes, hours, day, date, month, and year** information with leap-year compensation.  

### **Features:**  
- **Automatic Power-Fail Chip Deselect:** Protects data during power loss.  
- **Battery Switchover:** Seamless transition to battery backup when main power fails.  
- **Low Power Consumption:** Optimized for battery-backed applications.  
- **Industrial Standard Pinout:** Compatible with JEDEC-standard 28-pin DIP packages.  
- **End-of-Life Flag:** Indicates when the battery is nearing depletion.  

This information is based solely on the manufacturer's datasheet and technical documentation.

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