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M27V256

256 Kbit (32Kb x 8) Low Voltage UV EPROM and OTP EPROM

Partnumber Manufacturer Quantity Availability
M27V256 79 In Stock

Description and Introduction

256 Kbit (32Kb x 8) Low Voltage UV EPROM and OTP EPROM The M27V256 is a 256 Kbit (32K x 8) UV EPROM (Erasable Programmable Read-Only Memory) manufactured by STMicroelectronics.  

### **Specifications:**  
- **Organization:** 32K x 8 bits  
- **Supply Voltage:** 5V ± 10%  
- **Access Time:** 45 ns, 55 ns, 70 ns, 90 ns, 120 ns, 150 ns, 200 ns  
- **Operating Temperature Range:**  
  - Commercial (0°C to +70°C)  
  - Industrial (-40°C to +85°C)  
- **Programming Voltage (VPP):** 12.5V  
- **Low Power Consumption:**  
  - Active current: 30 mA (max)  
  - Standby current: 100 µA (max)  
- **Package Options:**  
  - 28-lead PDIP (Plastic Dual In-line Package)  
  - 32-lead PLCC (Plastic Leaded Chip Carrier)  
  - 28-lead TSOP (Thin Small Outline Package)  

### **Descriptions and Features:**  
- **UV Erasable:** Can be erased by exposure to ultraviolet light (typically 15-30 minutes under a UV lamp).  
- **High Reliability:** Endurance of at least 100,000 erase/program cycles.  
- **CMOS Technology:** Ensures low power consumption.  
- **Compatibility:** Fully compatible with industry-standard 27C256 EPROMs.  
- **On-Chip Address Latch:** Simplifies interfacing with microprocessors.  
- **Three-State Outputs:** Allows direct connection to a bus system.  
- **Programmable Security Fuse:** Provides code protection.  

This information is based on the manufacturer's datasheet and technical documentation.

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