AT49SV802A-90TI

Product Overview

Category

AT49SV802A-90TI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The AT49SV802A-90TI retains stored data even when power is removed.
• High capacity: It offers a storage capacity of 8 megabits (1 megabyte).
• Fast access time: With a maximum access time of 90 nanoseconds, it ensures quick retrieval of data.
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.

Package

The AT49SV802A-90TI is available in a compact TSOP (Thin Small Outline Package) with 32 pins. This package provides ease of integration into various circuit designs.

Essence

The essence of AT49SV802A-90TI lies in its ability to provide reliable and high-capacity non-volatile memory storage for electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of devices per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 8 Megabits (1 Megabyte)
• Access Time: 90 Nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

The AT49SV802A-90TI features a total of 32 pins, each serving a specific purpose. The pin configuration is as follows:

1. VCC - Power supply voltage
2. GND - Ground
3. HOLD - Suspends data transfer temporarily
4. WP - Write protect input
5. SCK - Serial clock input
6. SI - Serial data input
7. SO - Serial data output
8. CS - Chip select input 9-32. Address and data pins

Functional Features

• High-speed data transfer: The AT49SV802A-90TI supports fast serial data transfer using the SPI interface.
• Sector erase capability: It allows for erasing specific sectors of memory, enabling efficient data management.
• Write protection: The device includes a write protect pin to prevent accidental modification of stored data.
• Low power consumption: The product operates at low power levels, extending battery life in portable devices.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity meets the requirements of various applications.
• Fast access time enables quick retrieval of data.
• Compact package facilitates integration into different circuit designs.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• Limited storage capacity compared to other non-volatile memory options.
• Requires an external microcontroller or controller to access and manage data.

Working Principles

The AT49SV802A-90TI utilizes flash memory technology to store data. It employs a combination of floating-gate transistors and charge storage elements to retain information even when power is removed. The device uses the SPI interface to communicate with the controlling microcontroller or system.

Detailed Application Field Plans

The AT49SV802A-90TI finds application in various fields, including: 1. Microcontrollers and embedded systems 2. Consumer electronics (e.g., digital cameras, set-top boxes) 3. Industrial automation and control systems 4. Automotive electronics 5. Medical devices

Detailed and Complete Alternative Models

1. AT25SF081-SSHD-T: 8 Megabit SPI Serial Flash Memory
2. MX25L8006EM2I-12G: 8 Megabit CMOS Serial Flash Memory
3. W25Q80DVSNIG: 8 Megabit Serial Flash Memory with Dual/Quad SPI

These alternative models offer similar storage capacities and functionality to the AT49SV802A-90TI, providing options for different design requirements.

In conclusion, the AT49SV802A-90TI is a non-volatile memory device that offers high-capacity storage, fast access times, and low power consumption. Its compact package and functional features make it suitable for various applications in microcontrollers, consumer electronics, and other fields. While it has some limitations in terms of storage capacity, it provides reliable data retention and efficient data management capabilities. Alternative models are available for designers seeking similar functionality.