Renesas Electronics Corporation

7142SA4J

7142SA4J Description

The 7142SA4J is an Integrated Circuit (IC) SRAM (Static Random Access Memory) designed by Renesas Electronics Corporation. This memory IC chip is part of the Memory IC Chips category and is known for its robust performance and versatile applications. The 7142SA4J features a memory organization of 2K x 8, providing a total memory size of 16Kbit. It operates within a temperature range of 0°C to 70°C (TA) and is powered by a supply voltage between 4.5V and 5.5V. The memory type is volatile, meaning it retains data only while power is supplied. The chip uses a parallel memory interface, which allows for efficient data transfer and communication with other components. The 7142SA4J is designed for surface mount mounting type and is packaged in a tube, making it suitable for various electronic assembly processes. Despite its obsolescence, the 7142SA4J remains a reliable choice for applications requiring fast and reliable memory solutions.

7142SA4J Features

The 7142SA4J offers several key features that distinguish it from other memory IC chips:

• Memory Organization: The 2K x 8 memory organization provides a total of 16Kbit of memory, which is ideal for applications requiring moderate memory capacity.
• Operating Temperature: With an operating temperature range of 0°C to 70°C (TA), the 7142SA4J is suitable for a wide range of environmental conditions, making it versatile for various industrial and consumer applications.
• Voltage - Supply: The chip operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with standard power supplies and reducing the need for additional voltage regulation.
• Memory Interface: The parallel memory interface allows for high-speed data transfer, enhancing the overall performance of the system.
• Mounting Type: The surface mount design of the 7142SA4J facilitates easy integration into modern electronic circuits, reducing the footprint and improving the reliability of the assembly.
• Package: The tube packaging ensures that the chips are protected during transportation and storage, maintaining their integrity until they are ready for use.

7142SA4J Applications

The 7142SA4J is well-suited for a variety of applications due to its robust performance and versatile features. Some specific use cases include:

• Embedded Systems: The 7142SA4J can be used in embedded systems where fast and reliable memory access is crucial. Its moderate memory capacity and parallel interface make it an ideal choice for microcontrollers and other embedded processors.
• Industrial Control: In industrial control systems, the 7142SA4J can serve as a temporary storage solution for critical data, ensuring that operations continue smoothly even in the event of power loss.
• Consumer Electronics: The chip's operating temperature range and surface mount design make it suitable for consumer electronics, where space and power efficiency are important considerations.
• Telecommunications: The 7142SA4J can be used in telecommunications equipment for temporary data storage and buffering, ensuring that data is quickly accessible and processed efficiently.

Conclusion of 7142SA4J

The 7142SA4J, despite being an obsolete product, remains a reliable and efficient memory IC chip. Its features, such as the 2K x 8 memory organization, parallel memory interface, and surface mount design, make it a versatile choice for a variety of applications. The chip's operating temperature range and supply voltage compatibility further enhance its suitability for different environments. While newer technologies may offer additional features and improvements, the 7142SA4J continues to provide a cost-effective and reliable memory solution for applications requiring moderate memory capacity and fast data access.