IS42S32160B-7BLI

Memory IC Overview

The IS42S32160B-7BLI is a 512Mb Synchronous DRAM manufactured by ISSI. It features a 16M x 32 organization across four internal banks and operates at a maximum clock frequency of 143 MHz with a CAS latency of 3. The device utilizes a single 3.3V power supply and supports an LV TTL interface. Key timing parameters include a cycle time of 7 ns and an access time of 5.4 ns from the clock edge. It offers programmable burst lengths, auto-refresh capabilities, and self-refresh modes for power management.

Memory IC Feature Summary

• Fully synchronous operation with all signals referenced to the positive clock edge
• Internal bank architecture enables row access hiding and precharge operations
• Supports programmable burst lengths including sequential and interleave sequences
• Includes auto-refresh and self-refresh modes for power conservation

Memory IC Applications

• High-speed data transfer systems utilizing pipeline architecture
• Memory subsystems requiring seamless random-access operations
• Applications necessitating low-voltage TTL compatible interfaces

Memory IC Procurement Notes

Verify the specific speed grade suffix against the datasheet to ensure compatibility with system timing requirements. Confirm that the package type matches the intended PCB layout constraints. Check for any end-of-life notifications or product change notices associated with this component before finalizing procurement plans.

Memory IC Selection Notes

Select this component when a 512Mb density with a 32-bit data bus width is required. Ensure the design accommodates the 3.3V operating voltage and the specific thermal characteristics of the BGA package. Consider the available refresh cycles per interval when designing the memory controller logic for stability.

Memory IC Part Context

This part belongs to the IS42S32160B series of SDRAM devices from Integrated Silicon Solution Inc. The series provides high-speed CMOS dynamic random-access memory solutions designed for various commercial and industrial temperature ranges. It serves as a foundational memory component for embedded systems and general-purpose computing applications.

Memory IC Replacement Considerations

IS42S32160F-7BLI

Memory IC FAQ

What is the internal organization of the IS42S32160B?

The device is organized as 4 Meg x 32 bit x 4 Banks.

How does the Auto Precharge function operate?

Auto Precharge initiates a precharge at the earliest valid stage within a burst sequence when A10 is set HIGH during a READ or WRITE command.