STK14C88B-NF35U

Product Overview

Category

STK14C88B-NF35U belongs to the category of non-volatile static random access memory (nvSRAM).

Use

This product is primarily used for storing critical data in applications that require high reliability and fast read/write operations.

Characteristics

• Non-volatile: The STK14C88B-NF35U retains data even when power is removed.
• High-speed operation: It offers fast read and write access times.
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.
• High endurance: The nvSRAM has a high number of write cycles, ensuring long-term reliability.
• Wide temperature range: The STK14C88B-NF35U can operate in extreme temperature conditions.

Package

The STK14C88B-NF35U is available in a compact 32-pin plastic package.

Essence

The essence of this product lies in its ability to combine the benefits of both volatile and non-volatile memories. It provides the speed of SRAM and the non-volatility of EEPROM.

Packaging/Quantity

The STK14C88B-NF35U is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Memory size: 64 kilobits (8 kilobytes)
• Supply voltage: 2.7V to 3.6V
• Operating temperature range: -40°C to +85°C
• Data retention: More than 10 years
• Endurance: 1 million write cycles

Detailed Pin Configuration

The STK14C88B-NF35U has a total of 32 pins. Here is the detailed pin configuration:

1. Chip Enable (/CE)
2. Output Enable (/OE)
3. Write Enable (/WE)
4. Address Inputs (A0-A12)
5. Data Inputs/Outputs (DQ0-DQ7)
6. Vcc (Power Supply)
7. Ground (GND)

Functional Features

• Byte-wide operation: The device supports byte-level read and write operations.
• Automatic store on power loss: The STK14C88B-NF35U automatically saves data to non-volatile memory when power is lost, ensuring data integrity.
• Fast access times: It offers fast access times for both read and write operations.
• Hardware and software write protection: The nvSRAM provides multiple levels of write protection to prevent accidental data modification.

Advantages and Disadvantages

Advantages

• Non-volatility ensures data retention even during power outages.
• High-speed operation allows for quick data access.
• Low power consumption makes it suitable for battery-powered devices.
• Wide temperature range enables usage in extreme environments.
• High endurance ensures long-term reliability.

Disadvantages

• Relatively higher cost compared to traditional SRAM or EEPROM.
• Limited storage capacity compared to other memory technologies.

Working Principles

The STK14C88B-NF35U combines a volatile SRAM array with a non-volatile EEPROM array. When data is written to the device, it is stored in the SRAM array. Simultaneously, the data is copied to the EEPROM array, ensuring non-volatility. On power-up, the device automatically restores the data from the EEPROM array back into the SRAM array.

Detailed Application Field Plans

The STK14C88B-NF35U finds applications in various fields, including: 1. Industrial control systems 2. Automotive electronics 3. Medical equipment 4. Aerospace and defense systems 5. Communication infrastructure

Detailed and Complete Alternative Models

1. STK14C88B-NF45U: Similar to the STK14C88B-NF35U, but with extended temperature range (-40°C to +125°C).
2. STK14C88B-NF25U: Lower power version of the STK14C88B-NF35U, suitable for ultra-low power applications.
3. STK14C88B-NF55U: Higher endurance variant with 10 million write cycles.

These alternative models offer similar functionality but may have different specifications or features to cater to specific application requirements.

In conclusion, the STK14C88B-NF35U is a non-volatile static RAM that combines the benefits of SRAM and EEPROM. It offers high-speed operation, low power consumption, and wide temperature range, making it suitable for various critical data storage applications.