The Renesas Electronics X28HC64PZ-12 is a 64K-bit (8K x 8) High-Speed CMOS EEPROM memory device. This component is designed to meet the demands of applications requiring reliable and high-performance non-volatile memory. The device offers high-speed access, low power consumption, and high endurance, making it ideal for use in automotive, consumer electronics, industrial control systems, and telecommunications applications.
The X28HC64PZ-12 operates on the I2C interface, one of the most widely used communication protocols in embedded systems. This device is designed to provide memory storage with the ability to easily store and retrieve data in a non-volatile manner, even when the power is turned off. The X28HC64PZ-12 is particularly well-suited for applications that require frequent data writes and reads in a stable and efficient manner.
## Product Overview
The X28HC64PZ-12 is an 8K x 8 EEPROM device, meaning it contains 64K bits of memory, organized in 8-bit bytes. The EEPROM is non-volatile, retaining data even when the power is removed, making it ideal for storing configuration data, calibration parameters, or user settings that need to persist across power cycles.
This device operates over the I2C serial interface, which makes it easy to integrate with a microcontroller or processor, as the I2C interface only requires two communication lines (SCL for clock and SDA for data). The X28HC64PZ-12 offers fast data access, low write cycle times, and high data retention, making it an optimal choice for systems where both speed and reliability are essential.
The device also features a low-power consumption design, with an operating current of only 1mA and a standby current of 10µA. This low-power operation is beneficial for battery-powered systems or energy-sensitive devices.
## Key Features
* Memory Size: 64K bits (8K x 8), providing adequate space for storing configuration, settings, and data in many embedded applications.
* Interface: I2C (2-wire) interface allows for easy integration with microcontrollers, processors, and other I2C-compatible devices.
* Data Retention: The device offers 100 years of data retention, ensuring the stored data remains intact for long periods.
* Low Power Consumption: Standby current of 10µA and operating current of 1mA, making the device highly efficient for battery-powered applications.
* Write Endurance: Supports 1 million write cycles, ensuring long-lasting durability for applications that require frequent writes.
* Fast Access Time: Offers high-speed read and write access, making it suitable for time-sensitive applications.
* Package Type: Available in a small 8-pin PDIP (Plastic Dual In-line Package) and 8-pin SOIC (Small Outline Integrated Circuit) package for easy integration in various designs.
* RoHS Compliant: Meets environmental standards and ensures compliance with global regulations for lead-free manufacturing.
## Applications
The X28HC64PZ-12 is highly versatile and can be used in various applications where non-volatile memory is required. Some of the key areas include:
* Automotive: Used for storing calibration data, vehicle configuration, and diagnostic data in automotive systems, ensuring that essential data is retained even during power loss or system resets.
* Consumer Electronics: Ideal for home appliances, audio equipment, digital cameras, and other devices that require persistent storage for settings, configuration parameters, and user data.
* Industrial Control Systems: Suitable for programmable logic controllers (PLCs), robotics, and factory automation, where reliable data retention is essential for controlling and monitoring industrial processes.
* Telecommunications: Used in routers, modems, and base stations to store configuration settings, operating parameters, and performance data.
* Medical Devices: Can be used in medical instruments and wearable health devices to store patient data, calibration settings, and operational parameters.
* IoT Devices: Ideal for Internet of Things (IoT) applications that require low-power memory storage, such as smart home devices, sensors, and wearables.
## Detailed Specifications
| Parameter | Specification |
| ------------------------------- | --------------------------- |
| Part Number | X28HC64PZ-12 |
| Memory Size | 64 Kbits (8K x 8 bits) |
| Interface | I2C (2-wire) |
| Operating Voltage | 2.7V to 5.5V |
| Read/Write Cycle Time | 400ns (max) |
| Standby Current | 10µA (typical) |
| Operating Current | 1mA (typical) |
| Data Retention | 100 years |
| Write Endurance | 1,000,000 cycles |
| Package Type | 8-Pin PDIP, 8-Pin SOIC |
| Package Dimensions (PDIP) | 9.91 mm x 6.35 mm x 3.91 mm |
| Package Dimensions (SOIC) | 4.90 mm x 3.90 mm x 1.75 mm |
| Operating Temperature Range | -40°C to +85°C |
| Storage Temperature Range | -65°C to +150°C |
| RoHS Compliance | Yes |
## Functional Description
The X28HC64PZ-12 is a high-performance I2C EEPROM, allowing it to communicate efficiently with a microcontroller or processor. The I2C interface allows multiple devices to share the same bus, with only two communication lines—SDA (serial data) and SCL (serial clock). This simplifies system design and saves board space, especially in applications with space constraints.
The 64K-bit memory array is divided into 8K x 8-bit locations, which means that each memory location can hold 8 bits of data. The device supports random read and write operations, allowing data to be accessed or stored at any location within the memory array. The X28HC64PZ-12 supports page write operations, where multiple bytes (up to 32 bytes) can be written in a single operation, improving write efficiency.
Data is retained in the X28HC64PZ-12 even when power is removed, thanks to the electrically erasable and programmable nature of the memory. This ensures that data such as configuration settings, system states, and other critical parameters remain intact between power cycles or system reboots.
The X28HC64PZ-12 is designed for low-power operation, with typical operating current of 1mA and a standby current as low as 10µA. This makes it ideal for battery-powered and energy-efficient applications. The device’s low standby current ensures that it does not significantly impact the overall power consumption of the system when it is not actively being accessed.
The device also features a high endurance of 1 million write cycles, which makes it highly suitable for applications that require frequent data updates, such as system calibration and user settings storage.
## Benefits
* Low Power Consumption: The X28HC64PZ-12 has very low current draw, with standby current as low as 10µA and typical operating current of 1mA, making it an ideal choice for energy-efficient designs.
* High Write Endurance: The device supports 1 million write cycles, ensuring long-lasting reliability in applications requiring frequent data updates.
* Data Retention: With 100 years of data retention, the device ensures that stored data is preserved for long periods, even in the absence of power.
* Compact Form Factor: Available in small 8-pin PDIP and SOIC packages, making it easy to integrate into space-constrained designs.
* Easy Integration: The I2C interface allows simple integration into systems with existing I2C-based architectures, reducing design complexity and component count.
* RoHS Compliant: The device meets global environmental standards, ensuring it is suitable for use in regions with strict lead-free manufacturing requirements.
* Versatile Application: Suitable for a wide range of applications, from automotive to industrial, consumer electronics, and telecommunications.
The Renesas Electronics X28HC64PZ-12 is a robust, reliable, and energy-efficient solution for non-volatile memory storage, offering high-speed access, low power consumption, and long data retention. Its I2C interface, high endurance, and low dropout voltage make it an excellent choice for a wide variety of applications.
