ISSI, Integrated Silicon Solution Inc IS62WV1288DBLL-45HLI-TR

IS62WV1288DBLL-45HLI-TR - High-Performance 1Mbit Asynchronous SRAM

The IS62WV1288DBLL-45HLI-TR from ISSI (Integrated Silicon Solution Inc) is a premium 1-megabit asynchronous static random-access memory (SRAM) designed for demanding industrial, automotive, and embedded applications. This high-reliability memory IC delivers exceptional performance with a fast 45ns access time and operates across a wide voltage range of 2.3V to 3.6V, making it ideal for battery-powered and low-power designs.

Key Features & Benefits

• 1Mbit Memory Capacity: Organized as 128K x 8, providing ample storage for data buffering, cache memory, and real-time processing applications
• Fast 45ns Access Time: Ensures rapid data retrieval for time-critical operations in industrial controllers and embedded systems
• Wide Operating Voltage: 2.3V to 3.6V supply voltage supports both 3.3V and low-power battery applications
• Industrial Temperature Range: Operates reliably from -40°C to 85°C (TA), perfect for harsh environmental conditions
• Surface Mount Package: Compact 32-TSOP I (32-TFSOP) package optimizes PCB space and enables automated assembly
• Parallel Interface: Standard parallel memory interface simplifies integration with microcontrollers and processors
• RoHS Compliant: Meets environmental standards for lead-free manufacturing

Ideal Applications

This SRAM memory IC is perfectly suited for aerospace avionics, automotive ECUs, industrial automation controllers, medical devices, telecommunications equipment, data acquisition systems, and embedded computing platforms requiring reliable, high-speed volatile memory with extended lifecycle support.

Performance Advantages

Unlike DRAM, this asynchronous SRAM requires no refresh cycles, eliminating refresh overhead and providing deterministic access times critical for real-time systems. The 45ns access time enables high-speed data buffering in industrial PLCs, networking equipment, and automotive safety systems. The wide voltage range and industrial temperature rating ensure reliable operation in extreme environments where standard commercial-grade memory would fail.

Integration & Design Considerations

When integrating the IS62WV1288DBLL-45HLI-TR into your design, ensure proper decoupling capacitors (0.1µF ceramic) are placed close to each VCC pin to minimize power supply noise. The parallel interface requires standard address and data bus connections with chip enable (CE), output enable (OE), and write enable (WE) control signals. For optimal signal integrity at 45ns access times, keep trace lengths short and use proper termination for high-speed signals. The device supports byte-wide operations, making it ideal for 8-bit microcontroller systems.

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