AT49F040-12TI

Product Overview

Category

AT49F040-12TI belongs to the category of Flash Memory Chips.

Use

This product is primarily used for data storage in various electronic devices such as computers, smartphones, tablets, and other digital devices.

Characteristics

• Non-volatile memory: The AT49F040-12TI retains stored data even when power is turned off.
• High-speed operation: It offers fast read and write speeds, allowing for efficient data transfer.
• Large storage capacity: With a capacity of 4 megabits (512 kilobytes), it provides ample space for storing data.
• Low power consumption: The chip is designed to consume minimal power during operation, making it energy-efficient.
• Durable and reliable: It has a high endurance rating and can withstand multiple read and write cycles without compromising performance.

Package and Quantity

The AT49F040-12TI is available in a compact Thin Small Outline Package (TSOP) with 32 pins. It is typically sold in reels or trays containing multiple units.

Specifications

• Manufacturer: Atmel Corporation
• Part Number: AT49F040-12TI
• Memory Type: Flash
• Memory Size: 4 Megabits (512 Kilobytes)
• Operating Voltage: 2.7V - 3.6V
• Access Time: 120 ns
• Interface: Parallel
• Package Type: TSOP
• Pin Count: 32

Detailed Pin Configuration

The AT49F040-12TI features a 32-pin configuration with the following pin functions:

1. VCC: Power supply voltage
2. A0-A16: Address inputs
3. CE: Chip Enable
4. OE: Output Enable
5. WE: Write Enable
6. BYTE: Byte/Word Organization Select
7. RESET: Reset
8. RP/RB: Ready/Busy 9-30. DQ0-DQ15: Data Input/Output
9. VSS: Ground
10. NC: No Connection

Functional Features

• Erase and Program Operations: The AT49F040-12TI supports both sector erase and byte programming operations, allowing for flexible data manipulation.
• Automatic Write Timing: It features an internal write timer that ensures accurate and reliable programming of data.
• Sector Protection: This chip provides sector protection mechanisms to prevent accidental erasure or modification of critical data.
• Hardware Data Protection: It offers hardware-level protection against inadvertent program or erase operations, enhancing data security.

Advantages and Disadvantages

Advantages

• High-speed operation enables quick data access and transfer.
• Large storage capacity accommodates a significant amount of data.
• Low power consumption contributes to energy efficiency.
• Durable design ensures long-lasting performance.
• Sector protection and hardware data protection enhance data security.

Disadvantages

• Limited compatibility with certain devices due to the parallel interface.
• Relatively slower access time compared to newer flash memory technologies.

Working Principles

The AT49F040-12TI utilizes a floating-gate transistor technology to store and retrieve data. It employs a combination of electrical charges to represent binary information (0s and 1s). The data can be written, read, and erased using specific voltage levels and control signals.

Detailed Application Field Plans

The AT49F040-12TI finds applications in various electronic devices, including but not limited to: - Personal computers - Laptops and notebooks - Smartphones and tablets - Digital cameras - Gaming consoles - Automotive electronics - Industrial control systems

Alternative Models

Here are some alternative models that offer similar functionality to the AT49F040-12TI: - Intel 28F040 - Macronix MX29LV040 - Winbond W49F002U

These models can be considered as alternatives based on their comparable specifications and compatibility with various devices.

In conclusion, the AT49F040-12TI is a flash memory chip that offers high-speed operation, large storage capacity, and low power consumption. It finds applications in a wide range of electronic devices and provides sector protection and hardware data protection features. While it has certain limitations, it remains a reliable choice for data storage needs.