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M27W401 from ST,ST Microelectronics

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M27W401

Manufacturer: ST

4 MBIT (512KB X8) LOW VOLTAGE UV EPROM AND OTP EPROM

Partnumber Manufacturer Quantity Availability
M27W401 ST 232 In Stock

Description and Introduction

4 MBIT (512KB X8) LOW VOLTAGE UV EPROM AND OTP EPROM The part **M27W401** is a **4 Mbit (512Kb x8) Low Voltage One-Time Programmable (OTP) EPROM** manufactured by **STMicroelectronics (ST)**.  

### **Key Specifications:**  
- **Memory Size:** 4 Mbit (512K x 8)  
- **Supply Voltage:** 2.7V to 3.6V (Low Voltage)  
- **Access Time:** 45 ns, 55 ns, 70 ns, 90 ns  
- **OTP (One-Time Programmable):** Data can be written once and cannot be erased  
- **Package Options:** PDIP32 (Plastic Dual In-line Package), PLCC32 (Plastic Leaded Chip Carrier), TSOP32 (Thin Small Outline Package)  
- **Operating Temperature Range:** Commercial (0°C to +70°C) and Industrial (-40°C to +85°C)  
- **Programming Voltage:** 12V (required during programming)  
- **CMOS Technology:** Low power consumption  

### **Features:**  
- **Fast Read Access Time** (as low as 45 ns)  
- **Low Power Consumption** (standby and active modes)  
- **Compatible with JEDEC Standards**  
- **High Noise Immunity**  
- **TTL-Compatible Inputs/Outputs**  
- **Programmable Security Code Area** (prevents unauthorized reading)  

This EPROM is commonly used in embedded systems, industrial controls, and other applications requiring non-volatile memory storage.  

Would you like any additional details?

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