STK12C68-SF45I

The STK12C68-SF45I is a 64K x 8 nvSRAM (non-volatile static random-access memory) IC with a built-in battery backup and an operating voltage of 4.5V. This IC combines the benefits of both SRAM and EEPROM, offering fast read/write operations and non-volatile data storage capabilities.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VCC: Positive Power Supply
• GND: Ground
• CE1, CE2: Chip Enable Inputs
• OE: Output Enable
• WE: Write Enable
• NC: No Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the STK12C68-SF45I IC for a visual representation.

Key Features

• 64K x 8 nvSRAM: Provides 64K words of non-volatile memory with 8 bits per word.
• Built-in Battery Backup: Ensures data retention even during power loss or system shutdown.
• Operating Voltage: Designed for operation at 4.5V, making it suitable for various embedded applications.
• Fast Read/Write Operations: Offers fast access times for both reading and writing data.
• High Reliability: The non-volatile storage capability enhances data reliability and system integrity.

Note: For detailed technical specifications, please refer to the STK12C68-SF45I datasheet.

Application

• Embedded Systems: Ideal for use in embedded systems requiring non-volatile memory.
• Data Logging: Suitable for applications that need to store critical data even in the absence of power.
• Automotive Electronics: Used in automotive electronics for storing configuration settings and data logs.

Functionality

The STK12C68-SF45I combines the speed of SRAM with the non-volatile characteristics of EEPROM, providing reliable data storage even in the absence of power. It is a versatile memory solution for various applications.

Usage Guide

• Power Supply: Connect VCC (Pin) and GND (Pin) to the respective power and ground sources in the system.
• Control Inputs: Utilize the CE, OE, and WE pins to control the read and write operations of the memory.
• Data Connections: Connect the address and data lines according to the system requirements for accessing the memory.

Frequently Asked Questions

Q: Can the STK12C68-SF45I operate at a different voltage other than 4.5V?
A: The STK12C68-SF45I is designed for operation at 4.5V, and operating outside this specified voltage may affect performance and reliability.

Q: How long can the built-in battery backup retain data in the absence of power?
A: The built-in battery backup of the STK12C68-SF45I can typically retain data for several years, depending on usage conditions.