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AT27C256R-90TC from AT,Atmel

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16.602ms

AT27C256R-90TC

Manufacturer: AT

256K 32K x 8 OTP CMOS EPROM

Partnumber Manufacturer Quantity Availability
AT27C256R-90TC,AT27C256R90TC AT 60 In Stock

Description and Introduction

256K 32K x 8 OTP CMOS EPROM The AT27C256R-90TC is a 256K (32K x 8) UV erasable and electrically programmable read-only memory (EPROM) manufactured by Atmel (now part of Microchip Technology). Here are its key specifications:

- **Memory Size**: 256Kbit (32K x 8)
- **Speed**: 90ns access time
- **Supply Voltage**: 5V ±10%
- **Operating Current**: 30mA (typical)
- **Standby Current**: 100μA (typical)
- **Technology**: CMOS
- **Package**: 28-lead Thin Small Outline Package (TSOP)
- **Operating Temperature Range**: 0°C to 70°C
- **Programming Voltage (VPP)**: 12.5V
- **Data Retention**: 10 years minimum
- **Endurance**: 1,000 program/erase cycles

This EPROM is designed for applications requiring non-volatile memory storage with high reliability.

Partnumber Manufacturer Quantity Availability
AT27C256R-90TC,AT27C256R90TC ATMEL 468 In Stock

Description and Introduction

256K 32K x 8 OTP CMOS EPROM The AT27C256R-90TC is a 256K (32K x 8) UV Erasable and Electrically Programmable Read-Only Memory (EPROM) manufactured by ATMEL.  

Key specifications:  
- **Organization:** 32K x 8  
- **Access Time:** 90 ns  
- **Operating Voltage:** 5V ± 10%  
- **Power Dissipation:**  
  - Active: 100 mA (max)  
  - Standby: 30 mA (max)  
- **Programming Voltage (VPP):** 12.5V  
- **Package Type:** 28-Lead Plastic Thin Small Outline Package (TSOP)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Data Retention:** 10 years minimum  
- **Endurance:** 100 programming cycles  

The device features a CMOS process for low power consumption and high reliability. It supports a standard EPROM interface with a single 5V power supply during read operations.

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