IS42S16160L-7BL-TR

Memory IC Overview

The IS42S16160L-7BL-TR is a 256Mb Synchronous DRAM manufactured by ISSI. It operates at a maximum clock frequency of 143 MHz with an access time of 5.5 ns. The device features a 16-bit data bus width and is organized as 16M x 16. It utilizes a single 3.3V power supply (3.0V to 3.6V) and employs an LVTTL interface. The component is housed in a 54-ball BGA package measuring 8mm x 8mm. It supports industrial operating temperatures ranging from -40°C to +85°C.

Memory IC Feature Summary

• Supports high-speed data transfer using pipeline architecture with all signals referenced to the positive clock edge.
• Features internal bank interleaving to hide row access and precharge times for seamless random-access operation.
• Includes programmable burst lengths, CAS latency options, and auto-refresh capabilities for efficient memory management.

Memory IC Applications

• Wireless access points
• Base stations
• Routers
• Network storage systems
• Industrial controls

Memory IC Procurement Notes

Verify the specific suffix 'TR' indicates tape-and-reel packaging when sourcing. Confirm the '-7' speed grade aligns with the required 143 MHz operational frequency. Ensure the industrial temperature range (-40°C to +85°C) matches the target environment specifications before finalizing procurement orders.

Memory IC Selection Notes

Select this component for designs requiring 256Mb density with a 16-bit interface. It is suitable for applications needing synchronous burst operations and low-power modes like self-refresh. Consider the 54-ball BGA footprint for PCB layout constraints and verify compatibility with LVTTL logic levels in the system design.

Memory IC Part Context

This part belongs to the IS42S16160L series of 256Mb SDRAMs from Integrated Silicon Solution Inc. The series offers various speed grades and temperature ranges. The 'L' designation typically refers to the standard 3.3V operation within this product family, distinguishing it from other voltage or automotive variants.

Memory IC Replacement Considerations

Check for IS42S16160L-7BLI for tray-packaged equivalents. Verify pinout and timing parameters against datasheets for any alternative manufacturers offering similar 256Mb 16-bit SDRAM solutions.

Memory IC FAQ

What is the organization of the memory banks?

The device is internally configured as a quad-bank DRAM, with each bank organized as 4M x 16.

How is the auto-precharge function controlled?

Auto-precharge is enabled by setting the A10 address line HIGH during a READ or WRITE command.