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M48T559Y-MH1TR from ST,ST Microelectronics

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M48T559Y-MH1TR

Manufacturer: ST

64 Kbit 8Kb x8 TIMEKEEPER SRAM with ADDRESS/DATA MULTIPLEXED

Partnumber Manufacturer Quantity Availability
M48T559Y-MH1TR,M48T559YMH1TR ST 28 In Stock

Description and Introduction

64 Kbit 8Kb x8 TIMEKEEPER SRAM with ADDRESS/DATA MULTIPLEXED The **M48T559Y-MH1TR** is a Timekeeping RAM (TKRAM) device manufactured by **STMicroelectronics (ST)**. Below are the factual specifications, descriptions, and features:

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

### **Description:**  
The M48T559Y-MH1TR is a **Non-Volatile Static RAM (NVSRAM)** with an integrated **Real-Time Clock (RTC)**. It combines a **64 Kb (8 KB) SRAM** with a battery-backed timekeeping function, ensuring data retention even during power loss.  

### **Key Features:**  
- **Memory Capacity:** 8 KB (64 Kb) SRAM  
- **Integrated Real-Time Clock (RTC):**  
  - Tracks time in seconds, minutes, hours, day, date, month, and year  
  - Leap year compensation (up to 2100)  
  - 24-hour or 12-hour (AM/PM) format  
- **Battery Backup:**  
  - Built-in lithium energy source for data retention  
  - Minimum 10-year data retention in the absence of power  
- **Low Power Consumption:**  
  - Active current: 15 mA (typical)  
  - Standby current: 1.5 mA (typical with battery backup)  
- **Operating Voltage:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 28-pin SOIC (MH1TR denotes tape and reel packaging)  
- **Interface:** Parallel (byte-wide) access  
- **Additional Features:**  
  - Power-fail write protection  
  - Automatic switchover to battery backup  
  - Industrial-grade reliability  

### **Applications:**  
- Industrial control systems  
- Data logging equipment  
- Networking devices  
- Medical instruments  
- Point-of-sale (POS) terminals  

This information is based solely on the manufacturer's specifications for the M48T559Y-MH1TR.

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