AT27C4096-55PI

Introduction

The AT27C4096-55PI is a programmable read-only memory (PROM) integrated circuit belonging to the category of non-volatile memory devices. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Non-volatile Memory Device
• Use: Stores digital data that is not erased when the power is turned off
• Characteristics: High reliability, low power consumption, and non-volatile storage
• Package: 40-lead PDIP (Plastic Dual In-line Package)
• Essence: Provides long-term data storage in embedded systems
• Packaging/Quantity: Typically supplied in tubes or trays

Specifications

• Part Number: AT27C4096-55PI
• Operating Voltage: 5V
• Speed: 55ns access time
• Capacity: 4 Megabit (512K x 8-bit)
• Technology: CMOS
• Operating Temperature: -40°C to +85°C
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT27C4096-55PI has a 40-pin PDIP package with pins for address inputs, data inputs/outputs, control signals, and power supply connections.

Functional Features

• Programmability: Allows users to program the memory once using specialized programming equipment
• Non-volatility: Retains stored data even when power is removed
• Reliability: Offers high endurance and data retention capabilities
• Low Power Consumption: Suitable for battery-powered applications

Advantages and Disadvantages

• Advantages:
  • Non-volatile storage
  • High reliability
  • Low power consumption
• Disadvantages:
  • One-time programmability
  • Limited capacity compared to modern non-volatile memory technologies

Working Principles

The AT27C4096-55PI operates by storing data as electrical charges on floating gate transistors. When a specific voltage is applied, these charges can be trapped or released, allowing the memory to be programmed or erased.

Detailed Application Field Plans

The AT27C4096-55PI is commonly used in embedded systems, industrial control systems, automotive electronics, and legacy computing devices where non-volatile storage of firmware, configuration data, or lookup tables is required.

Detailed and Complete Alternative Models

• AT28C64B-15PU: 64 Kilobit (8K x 8-bit) EEPROM
• AT29C010A-12PC: 1 Megabit (128K x 8-bit) Flash Memory
• AT49BV1614T-90CI: 16 Megabit (2M x 8-bit) Parallel Flash Memory

In conclusion, the AT27C4096-55PI is a reliable non-volatile memory device suitable for various embedded system applications, offering high endurance, low power consumption, and non-volatile storage capabilities.

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