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M48T59Y-70PC1 from ST,ST Microelectronics

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M48T59Y-70PC1

Manufacturer: ST

64 Kbit (8Kb X8) TIMEKEEPER SRAM

Partnumber Manufacturer Quantity Availability
M48T59Y-70PC1,M48T59Y70PC1 ST 1254 In Stock

Description and Introduction

64 Kbit (8Kb X8) TIMEKEEPER SRAM The **M48T59Y-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 SRAM (NVSRAM) with real-time clock (RTC)  
- **Density:** 64 Kb (8 KB)  
- **Access Time:** 70 ns  
- **Operating Voltage:** 4.5V to 5.5V  
- **Package:** 28-pin **PDIP (Plastic Dual In-line Package)**  
- **Interface:** Parallel (8-bit)  
- **RTC Accuracy:** ±1 minute per month at 25°C  
- **Battery Backup:** Integrated lithium energy source (10-year minimum data retention)  
- **Operating Temperature Range:** 0°C to +70°C  

### **Descriptions:**  
- Combines **SRAM** and a **real-time clock (RTC)** with battery backup.  
- Non-volatile memory retains data during power loss.  
- Used in applications requiring timekeeping and data retention, such as industrial systems, servers, and embedded computing.  

### **Features:**  
- **Automatic power-fail chip deselect** and write protection.  
- **Battery switchover** ensures data integrity.  
- **Low-power consumption** in battery backup mode.  
- **Century byte register** for year 2000 compliance.  
- **Programmable square-wave output** (1Hz to 32.768kHz).  

For further details, refer to the official **STMicroelectronics datasheet**.

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