CY7C1380D-167AXI: Infineon's 18Mb High-Speed Synchronous SRAM Solution

The CY7C1380D-167AXI represents Infineon Technologies' cutting-edge synchronous static RAM technology, delivering exceptional 18Mb memory capacity with blazing-fast 167MHz performance. This comprehensive guide explores every technical aspect of this powerful memory IC, its applications, and why it remains relevant despite its obsolete status.

Detailed Technical Specifications

Memory Architecture

This synchronous SRAM features a 512K x 36-bit organization, providing an optimal balance between memory density and data bus width. The 36-bit configuration includes 32 data bits plus 4 parity bits for enhanced data integrity in critical applications.

Performance Characteristics

• Ultra-Fast Access: 3.4ns maximum access time enables real-time data processing
• Burst Mode Support: Pipeline and flow-through modes for efficient data transfers
• Clock-to-Data Output: 5.5ns maximum at 167MHz operation

Advanced Features

The CY7C1380D-167AXI incorporates several innovative features that set it apart:

• Byte Write Control for selective memory updates
• ZZ (Sleep) Mode for power-sensitive applications
• 3.3V 10% power supply with automatic power-down

Package and Physical Dimensions

The 100-pin TQFP package (14 20mm) offers:

• 0.5mm pin pitch for high-density PCB layouts
• 1.4mm profile for space-constrained designs
• Industrial-grade temperature range (-40 C to +85 C)

Industry Applications

Current Use Cases

While officially obsolete, the CY7C1380D-167AXI remains vital for:

• Military/Aerospace: Legacy avionics systems requiring radiation-tolerant memory
• Medical Imaging: High-speed data buffering in diagnostic equipment
• Test & Measurement: High-bandwidth data acquisition systems

Replacement Considerations

For designers transitioning from this component, we recommend evaluating:

• CY7C15632KV18 - 72Mb QDR II+ SRAM
• CY7C1470V33 - 72Mb NoBL SRAM
• Infineon's HyperRAM for lower pin-count alternatives

Technical Deep Dive: Why Choose This SRAM?

The CY7C1380D-167AXI's synchronous operation provides deterministic latency crucial for:

• Precision timing in industrial automation
• Jitter-free performance in network packet buffers
• Deterministic response in real-time control systems

Purchasing and Availability

As an obsolete part, availability varies. We maintain strategic stock of:

• New original parts (NOS)
• Factory-reconditioned units
• Drop-in compatible alternatives

Our technical support team provides:

• Cross-reference services
• Legacy design support
• End-of-life component management

Conclusion: The Legacy Lives On

The CY7C1380D-167AXI continues to power critical systems worldwide. Its combination of speed, reliability, and industrial durability makes it irreplaceable for many applications. Contact our specialists today for technical documentation, samples, or last-time-buy opportunities.

Expert Tip: When designing with obsolete components, always secure alternative sources and consider lifetime buy options early in the project lifecycle.