AT49SV802A-90CU

Product Overview

Category

AT49SV802A-90CU 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-90CU retains stored data even when power is turned off.
• High capacity: This device 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 stored data.
• Low power consumption: The AT49SV802A-90CU operates at low power levels, making it suitable for battery-powered devices.
• Wide temperature range: It can operate reliably in temperatures ranging from -40°C to 85°C.

Package

The AT49SV802A-90CU comes in a compact surface-mount package, which facilitates easy integration into circuit boards.

Essence

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

Packaging/Quantity

The AT49SV802A-90CU is typically packaged in reels or trays, with each reel containing a specific quantity of devices. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

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

Detailed Pin Configuration

The AT49SV802A-90CU has a total of 8 pins, which are assigned specific functions:

1. Chip Select (/CS): Enables or disables the device for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Receives data from the external device.
4. Serial Data Output (SO): Transmits data to the external device.
5. Write Protect (/WP): Controls write protection of the memory array.
6. Hold (/HOLD): Suspends ongoing operations without resetting the device.
7. Ground (GND): Common ground reference.
8. Power Supply (VCC): Provides the operating voltage for the device.

Functional Features

• High-speed data transfer: The AT49SV802A-90CU supports a serial peripheral interface, allowing for fast and efficient data transfer between the device and the host system.
• Flexible write protection: The write protect pin (/WP) enables users to protect specific sections of the memory array from accidental modification.
• Low power consumption: This device is designed to operate at low power levels, making it suitable for battery-powered applications.
• Reliable data retention: The non-volatile nature of the memory ensures that stored data remains intact even during power loss or system shutdown.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast access time
• Wide temperature range
• Low power consumption
• Compact package size

Disadvantages

• Limited compatibility with certain microcontrollers or systems
• Relatively higher cost compared to other memory options

Working Principles

The AT49SV802A-90CU utilizes flash memory technology to store and retrieve data. It employs a serial peripheral interface (SPI) for communication with the host system. When data is received through the SI pin, it is stored in the memory array. Similarly, when data needs to be read, it is retrieved from the memory array and transmitted through the SO pin. The device operates within the specified voltage range and uses low power during both active and standby modes.

Detailed Application Field Plans

The AT49SV802A-90CU finds applications in various fields, including but not limited to: - Microcontrollers - Embedded systems - Consumer electronics - Automotive electronics - Industrial automation

Detailed and Complete Alternative Models

1. AT25SF081: This device offers similar features and specifications, with a storage capacity of 8 megabits.
2. MX25L8006E: A comparable alternative with an 8-megabit storage capacity and SPI interface.
3. W25Q80BV: This alternative model provides 8 megabits of storage and supports high-speed data transfer.

These alternative models can be considered based on specific requirements and compatibility with the target system.

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