71321LA55PPGI

SRAM 71321 2Kx8, 16K, 5V DUAL-PORT RAM (MASTER) W/INT

# 71321LA55PPGI – 16Kbit Dual-Port SRAM – Renesas Electronics

The 71321LA55PPGI from Renesas Electronics is a high-performance 16Kbit dual-port asynchronous SRAM designed for applications requiring simultaneous data access from multiple sources. This 5V memory IC offers fast access times and reliable operation, making it ideal for complex embedded systems and communication interfaces. PCX ensures rapid shipping and dedicated customer support for all your component needs.

## Key Features
– **Memory Size:** 16Kbit (2K x 8 organization)
– **Memory Type:** Volatile, Dual-Port Asynchronous SRAM
– **Access Time:** 55ns
– **Voltage Supply:** 4.5V to 5.5V
– **Operating Temperature:** -40°C to 85°C
– **Package:** 52-TQFP (10×10), Surface Mount

## Technical Details
This SRAM features a parallel memory interface with a write cycle time of 55ns. Its dual-port architecture allows independent access to the memory array from two separate buses, enabling efficient data sharing in multiprocessor systems or real-time processing applications. The device operates across an industrial temperature range and is housed in a compact 52-lead TQFP package, suitable for space-constrained designs.

## Applications
– Data buffering in networking equipment
– Inter-processor communication in embedded systems
– Industrial automation and control systems
– Medical imaging and diagnostic devices
– Telecommunications infrastructure

## About the Manufacturer
Renesas Electronics Corporation is a globally recognized leader in advanced semiconductor solutions, with a legacy of innovation spanning decades. The company specializes in microcontrollers, analog and power devices, and memory products, serving diverse industries from automotive to industrial automation. Renesas is renowned for its commitment to quality, reliability, and cutting-edge technology, making it a trusted partner for mission-critical applications worldwide.

With a focus on energy efficiency and performance optimization, Renesas continuously pushes the boundaries of semiconductor technology. Their products undergo rigorous testing to meet stringent industry standards, ensuring long-term durability and consistent operation in demanding environments. This dedication to excellence has established Renesas as a preferred supplier for engineers and designers seeking robust, high-performance components.

## About Dual-Port SRAM
Dual-Port SRAM is a specialized type of static random-access memory that allows simultaneous access to the same memory location through two independent ports. This architecture is particularly valuable in systems where multiple processors or peripherals need to share data without contention or performance bottlenecks. The dual-access capability enables real-time data exchange, making it indispensable for high-speed communication and processing tasks.

In applications such as network routers, medical imaging systems, and industrial controllers, Dual-Port SRAM facilitates seamless data transfer between processing units, reducing latency and improving overall system efficiency. Its ability to handle concurrent read/write operations ensures smooth operation in complex, multitasking environments where timing and synchronization are critical.

## Packaging Options
This product is available in Tray packaging, ensuring secure handling and delivery. For high-volume orders, please contact PCX for custom packaging solutions.

## Frequently Asked Questions
**Q: What is the difference between single-port and dual-port SRAM?**
A: Dual-port SRAM allows two devices to access memory simultaneously, while single-port SRAM permits only one access at a time, making dual-port ideal for shared memory applications.

**Q: Is this SRAM compatible with 3.3V systems?**
A: No, this device requires a 4.5V to 5.5V supply and is not recommended for 3.3V operation without level shifting.

**Q: What is the typical power consumption of this SRAM?**
A: Power consumption varies with access frequency but is typically low due to SRAM’s static nature—consult the datasheet for detailed specifications.

**Q: Can I use this in automotive applications?**
A: While it operates in a wide temperature range, verify against specific automotive standards; Renesas offers automotive-grade variants for such uses.

**Q: How does asynchronous operation benefit my design?**
A: Asynchronous SRAM does not require a clock signal, simplifying interface timing and reducing design complexity compared to synchronous varieties.

**Q: Is the datasheet available for download?**
A: Yes, the technical datasheet is hosted on PCXCo.com for detailed electrical characteristics and application notes.

*Image is representational; refer to datasheet for exact specifications.*

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