STK11C68-SF45

Product Overview

Category

STK11C68-SF45 belongs to the category of non-volatile static random-access memory (NVRAM) chips.

Use

This product is primarily used for storing data in electronic devices, providing non-volatile memory capabilities.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• Static RAM (SRAM) technology: Provides fast read and write access times.
• Low power consumption: Enables efficient operation in battery-powered devices.
• High reliability: Offers robust data retention and endurance characteristics.
• Small form factor: Designed to fit compact electronic devices.

Package

The STK11C68-SF45 chip is available in a standard 32-pin small outline integrated circuit (SOIC) package.

Essence

The essence of the STK11C68-SF45 lies in its ability to combine the benefits of SRAM and non-volatile memory technologies. It provides reliable data storage without the need for a continuous power supply.

Packaging/Quantity

The STK11C68-SF45 is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory capacity: 64 kilobits (8 kilobytes)
• Operating voltage: 2.7V - 3.6V
• Access time: 70 ns
• Data retention: Up to 10 years
• Endurance: 1 million write cycles
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The STK11C68-SF45 chip has a total of 32 pins, which are assigned specific functions as follows:

1. Chip Enable (CE)
2. Output Enable (OE)
3. Write Enable (WE)
4. Address Inputs (A0-A10)
5. Data Inputs/Outputs (DQ0-DQ7)
6. Supply Voltage (VCC)
7. Ground (GND)

(Note: The remaining pins are not listed here for brevity.)

Functional Features

• Random access: Allows read and write operations at any memory location.
• Byte-wide operation: Supports individual byte read and write operations.
• Automatic store on power loss: Ensures data integrity during unexpected power interruptions.
• Software data protection: Provides mechanisms to prevent accidental writes or erasures.
• Hardware write protection: Allows specific memory blocks to be write-protected using external signals.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Retains data even without power, ensuring data integrity.
• Fast access times: Enables quick retrieval and modification of stored information.
• Low power consumption: Ideal for battery-powered devices, extending battery life.
• High endurance: Can withstand frequent write cycles without significant degradation.
• Compact form factor: Fits well in space-constrained electronic designs.

Disadvantages

• Limited capacity: The STK11C68-SF45 has a relatively small memory capacity compared to other storage solutions.
• Higher cost: NVRAM technology tends to be more expensive than traditional volatile memories.
• Limited temperature range: The operating temperature range may not be suitable for extreme environments.

Working Principles

The STK11C68-SF45 utilizes a combination of SRAM and non-volatile memory technologies. It employs a floating-gate transistor structure to store charge, allowing the retention of data even when power is removed. The chip's internal circuitry ensures that data is automatically written to non-volatile memory cells upon power loss, preventing data loss or corruption.

Detailed Application Field Plans

The STK11C68-SF45 finds applications in various electronic devices, including but not limited to: - Embedded systems - Industrial control systems - Automotive electronics - Medical devices - Consumer electronics

In embedded systems, it can be used for storing critical configuration data or program code. In industrial control systems, it enables the preservation of important parameters and settings. Automotive electronics benefit from its non-volatile storage capabilities for data logging and event recording. Medical devices utilize it for storing patient information securely. In consumer electronics, it can be employed for data caching or firmware storage.

Detailed and Complete Alternative Models

• STK11C68-SF45 is a specific model within the STK11C68 series. Other models in this series may have different specifications or package options.
• Alternative NVRAM chips from different manufacturers include:
  • Cypress Semiconductor FM18W08
  • Microchip Technology 23LC1024
  • Renesas Electronics R1LV0416

These alternative models offer similar functionality and can be considered as substitutes based on specific requirements and compatibility considerations.

(Note: The list of alternative models provided here is not exhaustive and may vary depending on market availability.)

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