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HN27C256HG-70 from HIT

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HN27C256HG-70

Manufacturer: HIT

256k (32k x 8-bit) UV and OPT EPROM

Partnumber Manufacturer Quantity Availability
HN27C256HG-70,HN27C256HG70 HIT 6960 In Stock

Description and Introduction

256k (32k x 8-bit) UV and OPT EPROM The HN27C256HG-70 is a 256K-bit (32K x 8) UV-erasable and electrically programmable read-only memory (EPROM) manufactured by Hitachi. Key specifications include:

- **Organization**: 32K x 8 bits  
- **Access Time**: 70 ns  
- **Operating Voltage**: 5V ±10%  
- **Power Dissipation**:  
  - Active: 100 mW (max)  
  - Standby: 40 mW (max)  
- **Programming Voltage (VPP)**: 12.5V  
- **Package**: 28-pin DIP (Dual In-line Package)  
- **Operating Temperature Range**: 0°C to +70°C  
- **Data Retention**: 10 years minimum  
- **UV Erasure**: Wavelength 2537 Å, 15W-sec/cm² minimum exposure  

This EPROM requires exposure to ultraviolet light for erasure before reprogramming.

Partnumber Manufacturer Quantity Availability
HN27C256HG-70,HN27C256HG70 HITACHI 75 In Stock

Description and Introduction

256k (32k x 8-bit) UV and OPT EPROM The HN27C256HG-70 is a 256K-bit (32K x 8) UV-erasable and electrically programmable read-only memory (EPROM) manufactured by Hitachi. Key specifications include:  

- **Organization**: 32K x 8 bits  
- **Access Time**: 70 ns  
- **Operating Voltage**: 5V ± 10%  
- **Programming Voltage (VPP)**: 12.5V  
- **Power Consumption**:  
  - Active: 30 mA (max)  
  - Standby: 100 µA (max)  
- **Package**: 28-pin DIP (Dual In-line Package)  
- **Operating Temperature Range**: 0°C to +70°C  
- **UV Erasure**: Wavelength of 2537 Å, exposure time of 15–20 minutes  

This EPROM features a one-time programmable (OTP) design and requires UV light for erasure before reprogramming.

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