AT28HC64B-70TC

Product Overview

Category

AT28HC64B-70TC 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 is retained even when power is removed.
• High capacity: The AT28HC64B-70TC has a storage capacity of 64 kilobits.
• Fast access time: It operates at a speed of 70 nanoseconds.
• Temperature range: It can operate within a temperature range of -40°C to +85°C.

Package

The AT28HC64B-70TC is available in a Thin Small Outline Package (TSOP) which ensures compactness and ease of integration into electronic circuits.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for digital information, making it suitable for various applications.

Packaging/Quantity

The AT28HC64B-70TC is typically packaged in reels or tubes, with each package containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 64 kilobits
• Access Time: 70 nanoseconds
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Thin Small Outline Package (TSOP)

Detailed Pin Configuration

The AT28HC64B-70TC has a total of 28 pins, each serving a specific purpose. 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. CE - Chip Enable Input
10. OE - Output Enable Input
11. WE - Write Enable Input
12. I/O0 - Data Input/Output
13. I/O1 - Data Input/Output
14. I/O2 - Data Input/Output
15. I/O3 - Data Input/Output
16. VCC - Power Supply
17. NC - No Connection
18. I/O4 - Data Input/Output
19. I/O5 - Data Input/Output
20. I/O6 - Data Input/Output
21. I/O7 - Data Input/Output
22. VSS - Ground
23. A8 - Address Input
24. A9 - Address Input
25. A10 - Address Input
26. A11 - Address Input
27. A12 - Address Input
28. A13 - Address Input

Functional Features

The AT28HC64B-70TC offers the following functional features:

• High-speed read and write operations
• Low power consumption
• Non-volatile storage
• Easy integration into electronic systems
• Compatibility with a wide range of microcontrollers and processors

Advantages and Disadvantages

Advantages

• Reliable non-volatile storage
• Fast access time
• Wide operating temperature range
• Compact package size for space-constrained applications

Disadvantages

• Limited storage capacity compared to other memory devices
• Higher cost per bit compared to some alternatives

Working Principles

The AT28HC64B-70TC utilizes a combination of electronic circuits and semiconductor technology to store and retrieve digital information. It employs a floating-gate transistor structure that allows data to be stored in a non-volatile manner.

Detailed Application Field Plans

The AT28HC64B-70TC finds applications in various fields, including but not limited to:

1. Embedded systems: Used for storing firmware and configuration data in microcontroller-based systems.
2. Automotive electronics: Employed for storing critical information such as calibration data and vehicle settings.
3. Industrial control systems: Utilized for storing program code and data in PLCs and other industrial automation devices.
4. Consumer electronics: Integrated into devices like set-top boxes, gaming consoles, and digital cameras for data storage purposes.

Detailed and Complete Alternative Models

1. AT28C64B-15PU: Similar to the AT28HC64B-70TC, this model offers a lower access time of 15 nanoseconds.
2. AT28HC256-90PC: This alternative provides a higher storage capacity of 256 kilobits.
3. AT28C16-15PI: With a smaller storage capacity of 16 kilobits, this model is suitable for applications with lower memory requirements.

These alternative models offer different specifications and may be chosen based on specific application needs.

In conclusion, the AT28HC64B-70TC is