AT27BV256-90TC

Product Overview

Category

AT27BV256-90TC belongs to the category of non-volatile memory devices.

Use

This product 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 AT27BV256-90TC has a storage capacity of 256 kilobits.
• Fast access time: With a speed rating of 90 nanoseconds, it offers quick data retrieval.
• Low power consumption: The device operates efficiently with minimal power requirements.

Package

The AT27BV256-90TC is available in a compact Thin Small Outline Package (TSOP) format.

Essence

The essence of this product lies in its ability to provide reliable and persistent storage for electronic systems.

Packaging/Quantity

The AT27BV256-90TC is typically packaged in reels or tubes, with each package containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 256 kilobits
• Access Time: 90 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT27BV256-90TC features a standard pin configuration with the following pins:

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. CE - Chip Enable Input
18. OE - Output Enable Input
19. WE - Write Enable Input
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
29. GND - Ground

Functional Features

• Random Access: The AT27BV256-90TC allows for random access to any memory location, enabling efficient data retrieval.
• High Reliability: This product offers reliable data storage with a high endurance level and low susceptibility to data corruption.
• Low Power Consumption: The device operates with low power consumption, making it suitable for battery-powered applications.
• Easy Integration: The AT27BV256-90TC can be easily integrated into various electronic systems due to its standard pin configuration and interface.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• Fast access time enables quick data retrieval.
• High reliability and endurance ensure long-term data integrity.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Parallel interface may require additional circuitry for interfacing with modern microcontrollers.

Working Principles

The AT27BV256-90TC utilizes Flash memory technology to store digital information. It employs a combination of floating-gate transistors and charge storage mechanisms to retain data even when power is removed. The device can be written to or read from by applying appropriate voltage levels to the control pins.

Detailed Application Field Plans

The AT27BV256-90TC finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

• AT27C256R-90TC: Similar specifications with a different package type (TSOP)
• AT28C256-15PU: Similar capacity and access time with a different interface (Parallel)
• AT45DB256E-SH-T: Higher capacity and faster access time with a different memory technology (Serial Flash)

These alternative models offer similar functionality and can be considered as alternatives based on specific requirements and system constraints.

In conclusion, the AT27BV256-90TC is a non-volatile memory device that provides reliable and persistent storage for electronic systems. With its high capacity, fast access time, and low power consumption, it offers several advantages for various applications.