23K640T-E/SN

Product Overview

Category

The 23K640T-E/SN belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This chip is commonly used for non-volatile data storage in various electronic devices, such as microcontrollers, sensors, and communication modules.

Characteristics

• Non-volatile memory: The 23K640T-E/SN retains stored data even when power is removed.
• High capacity: This chip has a storage capacity of 64 kilobits (8 kilobytes).
• Serial interface: It communicates with the host device using a simple serial protocol.
• Low power consumption: The chip operates at low voltage levels, making it suitable for battery-powered applications.
• High reliability: It offers excellent data retention and endurance characteristics.

Package

The 23K640T-E/SN is available in an industry-standard 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the 23K640T-E/SN is its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

This chip is typically sold in reels or tubes, with each reel containing a specified quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Capacity: 64 kilobits (8 kilobytes)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 23K640T-E/SN has the following pin configuration:

1. Chip Select (CS)
2. Serial Clock (SCK)
3. Serial Data Input/Output (SDI/SDO)
4. Write Protect (WP)
5. Hold (HOLD)
6. Ground (GND)
7. VCC (Power Supply)
8. No Connection (NC)

Functional Features

• Byte-level Read and Write Operations: The chip allows individual bytes to be read from or written to the memory array.
• Sequential Read Mode: It supports continuous reading of multiple bytes without the need for repeated address input.
• Hardware Write Protection: The WP pin can be used to protect the memory contents from accidental writes.
• Software Write Protection: The chip provides a command to enable or disable write operations, enhancing data security.
• Power-Saving Standby Mode: It offers a low-power standby mode to minimize power consumption when not in use.

Advantages and Disadvantages

Advantages

• High storage capacity for its compact size.
• Low power consumption, suitable for battery-powered devices.
• Reliable data retention and endurance characteristics.
• Easy integration with microcontrollers and other devices using the SPI interface.

Disadvantages

• Limited storage capacity compared to larger EEPROM chips.
• Requires additional circuitry for proper interfacing and control.

Working Principles

The 23K640T-E/SN utilizes an electrically erasable floating-gate transistor technology to store and retrieve data. It employs a serial interface, allowing the host device to communicate with the chip using standard SPI commands. The chip's internal circuitry manages the storage and retrieval of data, ensuring reliable and efficient operation.

Detailed Application Field Plans

The 23K640T-E/SN finds applications in various fields, including:

1. Internet of Things (IoT) Devices: Used for storing configuration data, sensor readings, and firmware updates.
2. Industrial Automation: Enables data logging, parameter storage, and system configuration in industrial control systems.
3. Automotive Electronics: Stores critical data, such as calibration values and vehicle settings, in automotive modules.
4. Consumer Electronics: Used for storing user preferences, device settings, and firmware updates in devices like smart TVs and home appliances.

Detailed and Complete Alternative Models

1. 25AA640A-I/SN: Similar to the 23K640T-E/SN, this chip offers a 64 kilobit capacity with an SPI interface. It is available in an 8-pin SOIC package.
2. AT24C64C-SSHM-T: This chip provides a 64 kilobit capacity with an I2C interface. It comes in an 8-pin SOIC package and operates at a voltage range of 1.7V to 5.5V.
3. M93C66-WMN6TP: With a 64 kilobit capacity, this chip features an SPI interface and operates at a voltage range of 2.5V to 5.5V. It is available in an 8-pin SOIC package.

(Note: The above alternative models are provided