AT28HC64B-12SC

Product Overview

Category

AT28HC64B-12SC belongs to the category of non-volatile memory integrated circuits.

Use

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

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT28HC64B-12SC has a storage capacity of 64 kilobits (8 kilobytes).
• High-speed operation: It operates at a speed of 12 MHz.
• Low power consumption: The device is designed to consume minimal power during operation.

Package

The AT28HC64B-12SC is available in a small outline SOIC package.

Essence

The essence of this product lies in its ability to provide reliable and high-capacity non-volatile memory storage for various electronic applications.

Packaging/Quantity

The AT28HC64B-12SC is typically packaged in reels, with each reel containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Type: Non-volatile
• Capacity: 64 kilobits (8 kilobytes)
• Operating Speed: 12 MHz
• Supply Voltage: 2.7V - 5.5V
• Interface: Serial Peripheral Interface (SPI)
• Data Retention: 10 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28HC64B-12SC has a total of 8 pins, which are as follows:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Enable (/WE)
6. Hold (/HOLD)
7. VCC (Power Supply)
8. Ground (GND)

Functional Features

• High-speed data transfer: The AT28HC64B-12SC supports fast serial communication, allowing for efficient data transfer between the memory and the host device.
• Write protection: The device features a write enable pin (/WE) that can be used to protect the stored data from accidental modification.
• Low power consumption: The AT28HC64B-12SC is designed to operate with minimal power consumption, making it suitable for battery-powered devices.
• Data retention: The non-volatile nature of the memory ensures that the stored data remains intact even when power is removed.

Advantages and Disadvantages

Advantages

• High capacity storage
• Fast data transfer speed
• Low power consumption
• Long data retention period
• Compact package size

Disadvantages

• Limited endurance (100,000 write cycles)
• Requires an external microcontroller or host device for operation

Working Principles

The AT28HC64B-12SC utilizes a Serial Peripheral Interface (SPI) for communication with the host device. It operates by receiving commands and data through the SPI interface and storing them in its non-volatile memory cells. The stored data can be read back by the host device as needed. The write enable pin (/WE) allows for write protection, preventing accidental modification of the stored data.

Detailed Application Field Plans

The AT28HC64B-12SC finds applications in various electronic devices that require non-volatile memory storage. Some potential application fields include:

1. Consumer electronics: Used in devices such as digital cameras, MP3 players, and smartwatches for storing user data and firmware.
2. Industrial automation: Employed in control systems and programmable logic controllers (PLCs) for storing configuration settings and program code.
3. Automotive electronics: Utilized in automotive systems for storing calibration data, firmware, and diagnostic information.
4. Medical devices: Used in medical equipment for storing patient data, device settings, and firmware.

Detailed and Complete Alternative Models

1. AT28C64B-15SC: Similar to the AT28HC64B-12SC, but operates at a speed of 15 MHz.
2. AT28HC256-90SC: Offers higher storage capacity (256 kilobits) and operates at a speed of 90 MHz.
3. AT28HC16B-70SC: Lower capacity (16 kilobits) but operates at a faster speed of 70 MHz.

These alternative models provide options with varying capacities and operating speeds to suit different application requirements.

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