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M48Z12-150PC1 from STM,ST Microelectronics

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M48Z12-150PC1

Manufacturer: STM

16 KBIT (2KB X 8) ZEROPOWER SRAM

Partnumber Manufacturer Quantity Availability
M48Z12-150PC1,M48Z12150PC1 STM 49 In Stock

Description and Introduction

16 KBIT (2KB X 8) ZEROPOWER SRAM The part **M48Z12-150PC1** is a **Nonvolatile SRAM (NVSRAM)** module manufactured by **STMicroelectronics (STM)**.  

### **Specifications:**  
- **Memory Size:** 128 Kbit (16 Kb x 8)  
- **Technology:** Combines SRAM with an integrated lithium energy source for nonvolatile operation  
- **Battery Backup:** Built-in lithium energy cell for data retention  
- **Data Retention:** Minimum **10 years** in the absence of power  
- **Operating Voltage:** **4.5V to 5.5V**  
- **Access Time:** **150 ns**  
- **Package:** **28-pin DIP (Dual In-line Package)**  
- **Operating Temperature Range:** **0°C to 70°C**  

### **Descriptions & Features:**  
- **Nonvolatile Storage:** Automatically saves SRAM data to nonvolatile storage upon power loss  
- **Zero Write Time:** No delay when switching between SRAM and nonvolatile modes  
- **Unlimited Write Cycles:** Unlike EEPROM or Flash, NVSRAM allows unlimited read/write operations  
- **Real-Time Clock (RTC) Option:** Some variants may include an integrated RTC (but not in this specific model)  
- **Industrial-Grade Reliability:** Designed for applications requiring persistent memory without battery maintenance  
- **Applications:** Used in **medical devices, industrial systems, networking equipment, and embedded systems** where data integrity is critical  

This module is **obsolete** (no longer in production) but may still be available through distributors.  

Would you like additional details on pinout or alternative parts?

Application Scenarios & Design Considerations

16 KBIT (2KB X 8) ZEROPOWER SRAM

Alternative Part Number

  • DS1216E --: Nonvolatile controller with embedded lithium cell that provides the same battery-backed SRAM retention function as the M48Z12 ZEROPOWER module, in a comparable DIP package.
  • BQ4011YMA-150 --: 150 ns battery-backed nonvolatile SRAM module with integrated lithium cell, functionally equivalent to the M48Z12-150PC1 for data retention applications.
  • M48T02-150PC1 --: Same ST ZEROPOWER family TIMEEKEEPER-style module with 150 ns access time and integrated battery backup, offering similar pinout and retention behavior as a cross-series ST alternative.

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