AT28C64-25TC

Product Overview

Category

AT28C64-25TC 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: Retains data even when power is removed.
• High capacity: 64 kilobits (8 kilobytes) of storage space.
• Fast access time: Operates at a speed of 250 nanoseconds.
• Low power consumption: Designed to minimize energy usage.
• Reliable: Offers high endurance and data retention capabilities.

Package

AT28C64-25TC is available in a Through-Hole package.

Essence

The essence of AT28C64-25TC lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

This product is typically packaged in tubes or trays, with each containing a specific quantity of AT28C64-25TC chips.

Specifications

• Memory Capacity: 64 kilobits (8 kilobytes)
• Access Time: 250 nanoseconds
• Supply Voltage: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years minimum
• Endurance: 10,000 write cycles

Detailed Pin Configuration

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. VCC: Power Supply
10. OE: Output Enable
11. CE: Chip Enable
12. WE: Write Enable
13. I/O0: Data Input/Output
14. I/O1: Data Input/Output
15. I/O2: Data Input/Output
16. I/O3: Data Input/Output
17. I/O4: Data Input/Output
18. I/O5: Data Input/Output
19. I/O6: Data Input/Output
20. I/O7: Data Input/Output
21. NC: No Connection
22. GND: Ground

Functional Features

• Random access: Allows reading and writing of data at any location within the memory.
• Byte-wise operations: Supports individual byte read and write operations.
• Hardware and software protection: Provides mechanisms to prevent accidental modification of stored data.
• Low power consumption: Designed to minimize energy usage, making it suitable for battery-powered devices.
• High endurance: Can withstand a large number of write cycles without degradation in performance.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Fast access time allows for quick retrieval of information.
• High capacity provides ample space for storing data.
• Low power consumption prolongs battery life in portable devices.
• Reliable performance with high endurance and data retention capabilities.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower access time compared to some modern memory devices.
• Requires additional circuitry for interfacing with microcontrollers or processors.

Working Principles

AT28C64-25TC utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within floating gate transistors. These charges represent binary values that can be read or modified through appropriate control signals. The memory cells are organized into an array, and each cell can be individually addressed for read or write operations.

Detailed Application Field Plans

AT28C64-25TC finds applications in various electronic systems, including but not limited to: - Embedded systems - Microcontrollers - Industrial control systems - Automotive electronics - Communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT28C64-25TC include: - AT28C256: Higher capacity EEPROM with 256 kilobits (32 kilobytes) of storage space. - AT29C010A: Flash memory device with 1 megabit (128 kilobytes) of storage capacity. - AT24C02: Serial EEPROM with 2 kilobits (256 bytes) of storage.

These alternative models can be considered based on specific requirements and system constraints.

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