AT28BV256-20PI

Product Overview

Category

AT28BV256-20PI belongs to the category of non-volatile memory devices.

Use

It is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: The AT28BV256-20PI has a storage capacity of 256 kilobits.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Fast access time: The device offers quick access to stored data.

Package

The AT28BV256-20PI comes in a standard integrated circuit (IC) package.

Essence

The essence of AT28BV256-20PI lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The device is typically packaged in reels or tubes, with each containing a specific quantity of ICs.

Specifications

• Storage Capacity: 256 kilobits
• Operating Voltage: 2.7V - 5.5V
• Access Time: 200 nanoseconds
• Interface: Parallel
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT28BV256-20PI has a total of 28 pins, which are assigned specific functions. The pin configuration is as follows:

1. A0 - Address Input
2. A1 - Address Input
3. A2 - Address Input
4. A3 - Address Input
5. A4 - Address Input
6. A5 - Address Input
7. A6 - Address Input
8. A7 - Address Input
9. A8 - Address Input
10. A9 - Address Input
11. A10 - Address Input
12. A11 - Address Input
13. A12 - Address Input
14. A13 - Address Input
15. A14 - Address Input
16. A15 - Address Input
17. OE - Output Enable
18. CE - Chip Enable
19. WE - Write Enable
20. I/O0 - Data Input/Output
21. I/O1 - Data Input/Output
22. I/O2 - Data Input/Output
23. I/O3 - Data Input/Output
24. I/O4 - Data Input/Output
25. I/O5 - Data Input/Output
26. I/O6 - Data Input/Output
27. I/O7 - Data Input/Output
28. Vcc - Power Supply

Functional Features

• Random Access: The AT28BV256-20PI allows random access to any memory location, enabling efficient data retrieval.
• High Reliability: It offers reliable data storage with a high endurance level and low susceptibility to data corruption.
• Easy Integration: The device can be easily integrated into various electronic systems due to its standard interface.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High capacity allows for storing a significant amount of data.
• Low power consumption makes it suitable for battery-powered devices.
• Fast access time enables quick retrieval of stored information.

Disadvantages

• Limited storage capacity compared to other memory devices.
• Higher cost per bit compared to some alternative models.
• Requires additional circuitry for interfacing with microcontrollers or processors.

Working Principles

The AT28BV256-20PI utilizes flash memory technology to store and retrieve digital information. It employs a combination of floating-gate transistors and charge storage mechanisms to retain data even when power is removed. The device uses address inputs to select specific memory locations and data inputs/outputs for reading from or writing to those locations.

Detailed Application Field Plans

The AT28BV256-20PI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Medical devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT28BV256-20PI include: - AT28C256-15PU: 256 kilobit parallel EEPROM with a 150 nanosecond access time. - AT45DB256E-SH: 256 kilobit serial flash memory with a high-speed SPI interface. - M25P16-VMN6TPB: 16 megabit serial flash memory with a 75 MHz clock frequency.

These alternative models provide different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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