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7142SA55P

7142SA55P Description

The 7142SA55P is a 16Kbit Static Random Access Memory (SRAM) IC designed by Renesas Electronics Corporation. This memory chip features a parallel memory interface and is organized in a 2K x 8 configuration, offering a total memory size of 16Kbit. The 7142SA55P is housed in a through-hole package, specifically a 48-pin DIP (Dual In-line Package), making it suitable for applications requiring robust and reliable physical mounting. The operating temperature range of 0°C to 70°C (TA) ensures stable performance across a moderate temperature spectrum, making it ideal for various industrial and commercial applications.

7142SA55P Features

• Memory Type: Volatile SRAM, ensuring fast read and write operations with low power consumption during active use.
• Access Time: 55 nanoseconds, providing rapid data retrieval and storage capabilities, essential for high-speed processing applications.
• Write Cycle Time: 55 nanoseconds, matching the access time for efficient data handling and minimizing latency.
• Voltage Supply: Operates within a range of 4.5V to 5.5V, offering flexibility in power supply requirements and compatibility with a variety of systems.
• Package Type: Through-hole 48DIP, ensuring secure and durable mounting on printed circuit boards.
• Moisture Sensitivity Level (MSL): Level 3 (168 Hours), indicating moderate sensitivity to moisture, which is typical for through-hole components.
• ECCN: EAR99, signifying compliance with export regulations and ease of international procurement.
• REACH Status: REACH Unaffected, ensuring compliance with EU chemical safety regulations.

7142SA55P Applications

The 7142SA55P is well-suited for applications requiring fast and reliable memory access, such as embedded systems, industrial control units, and communication devices. Its parallel interface and 55ns access time make it ideal for systems where rapid data transfer and low latency are critical. The 2K x 8 memory organization provides a balanced trade-off between memory capacity and addressability, making it suitable for applications that require moderate memory size but high-speed access.

Specific use cases include:

• Embedded Systems: Providing fast, temporary storage for microcontrollers and microprocessors in embedded applications.
• Industrial Automation: Used in programmable logic controllers (PLCs) and other industrial control systems where quick data access and reliability are paramount.
• Communication Devices: Supporting fast data buffering and temporary storage in routers, switches, and other networking equipment.

Conclusion of 7142SA55P

The 7142SA55P by Renesas Electronics Corporation is a robust and reliable SRAM IC, offering a balance of speed, capacity, and durability. Its 55ns access time and matching write cycle time ensure efficient data handling, while the 2K x 8 memory organization provides a practical memory size for a wide range of applications. The through-hole 48DIP package ensures secure mounting, and the moderate operating temperature range of 0°C to 70°C (TA) makes it suitable for various environments. Despite being marked as obsolete, the 7142SA55P remains a viable option for applications where its specific features and performance benefits are required.