AT28C64X-25JC

Product Overview

Category

AT28C64X-25JC 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 turned off.
• High capacity: The AT28C64X-25JC has a storage capacity of 64 kilobits.
• Fast access time: It operates at a speed of 250 nanoseconds.
• Low power consumption: Designed to minimize power usage.
• Reliable: Offers high endurance and data retention capabilities.

Package

The AT28C64X-25JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT28C64X-25JC lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT28C64X-25JC chips.

Specifications

• Storage 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: Minimum of 10 years

Detailed Pin Configuration

The AT28C64X-25JC has a total of 32 pins, which are assigned specific functions. Here is the detailed pin configuration:

1. A0-A12: Address Inputs
2. CE: Chip Enable
3. OE: Output Enable
4. WE: Write Enable
5. VCC: Power Supply
6. GND: Ground
7. DQ0-DQ7: Data Input/Output

Functional Features

• Random Access: Allows reading and writing of data at any memory location.
• Byte-Wise Operation: Supports individual byte read and write operations.
• Hardware Data Protection: Provides protection against accidental writes by using a hardware-controlled write enable signal.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Retains data even without power.
• High capacity: Offers ample storage space for various applications.
• Fast access time: Enables quick retrieval of data.
• Low power consumption: Helps conserve energy in electronic systems.
• Reliable: Ensures data integrity and longevity.

Disadvantages

• Limited storage capacity compared to other memory devices.
• Relatively slower access time compared to some modern alternatives.

Working Principles

The AT28C64X-25JC utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within floating gate transistors. These charges can be selectively removed or added, allowing data to be written or erased as needed.

Detailed Application Field Plans

The AT28C64X-25JC finds application 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 the AT28C64X-25JC include: - AT28C64B-15PU: 64 kilobit EEPROM with a 150 nanosecond access time. - AT28C256-15PC: 256 kilobit EEPROM with a 150 nanosecond access time. - AT28HC256-12PC: 256 kilobit high-speed EEPROM with a 120 nanosecond access time.

These alternative models provide options with varying capacities and access times to suit different application requirements.

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