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M27C512-90B1 from ST,ST Microelectronics

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M27C512-90B1

Manufacturer: ST

512 KBIT (64KB X8) UV EPROM AND OTP EPROM

Partnumber Manufacturer Quantity Availability
M27C512-90B1,M27C51290B1 ST 65 In Stock

Description and Introduction

512 KBIT (64KB X8) UV EPROM AND OTP EPROM The **M27C512-90B1** is an EPROM (Erasable Programmable Read-Only Memory) manufactured by **STMicroelectronics (ST)**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Memory Size:** 512 Kbit (64K x 8 bits)  
- **Access Time:** 90 ns  
- **Supply Voltage:** 5V ±10%  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** 28-pin PDIP (Plastic Dual In-Line Package)  
- **Technology:** UV-erasable EPROM  
- **Programming Voltage (VPP):** 12.5V  
- **Standby Current:** 100 µA (max)  
- **Active Current:** 30 mA (max)  

### **Descriptions & Features:**  
- **UV-Erasable:** Can be erased by exposure to ultraviolet light for reprogramming.  
- **High Reliability:** Endurance of at least 100 erase/program cycles.  
- **CMOS Technology:** Low power consumption.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  
- **Programmable:** Supports standard EPROM programming methods.  
- **Data Retention:** 10 years minimum at room temperature.  

This EPROM is commonly used in embedded systems, industrial controls, and legacy computing applications.

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