AS4C8M16S-6TIN

Memory IC Overview

The AS4C8M16S-6TIN is a 128 Mbit Synchronous DRAM (SDRAM) organized as 8 Megawords by 16 bits. It features a fully synchronous interface with an internal pipelined architecture and four independent banks. The device supports clock frequencies up to 166 MHz, with access times of 5 ns for the -6 speed grade. It operates on a single +3.3V power supply with LVTTL logic levels and is housed in a 54-pin TSOP II package.

Memory IC Feature Summary

• Fully synchronous operation with internal pipelined architecture
• Four-bank organization supporting concurrent operations
• Programmable mode registers for burst length and CAS latency configuration
• Supports Auto Refresh and Self Refresh modes for data retention

Memory IC Applications

• High-performance PC applications requiring high memory bandwidth
• Industrial temperature range systems (-40°C to 85°C)
• Communications equipment
• Medical devices
• Consumer products

Memory IC Procurement Notes

Verify the specific speed grade suffix (-6 vs -7) against system timing requirements, as access times differ. Confirm the 'N' suffix indicates Pb and Halogen free status for the TSOP II package. Ensure the component matches the industrial temperature rating if deployed in harsh environments. Cross-reference the datasheet revision date to confirm pinout and electrical specifications remain consistent with current design implementations.

Memory IC Selection Notes

Select this component when a 128 Mbit density with a 16-bit data bus width is required. The -6 speed grade provides 166 MHz operation suitable for high-bandwidth interfaces. Consider the 54-pin TSOP II package constraints for PCB layout. Verify that the LVTTL interface compatibility aligns with the host controller's voltage levels. Evaluate the need for programmable burst lengths and CAS latencies to optimize system performance.

Memory IC Part Context

This part belongs to the Alliance Memory AS4C8M16S series of high-speed CMOS SDRAMs. The series includes variants with different speed grades and packaging options. The -6TIN designation specifically identifies the 166 MHz version in a lead-free and halogen-free TSOP II package. It is designed to meet the demands of modern computing and communication systems requiring reliable, high-density memory solutions.

Memory IC Replacement Considerations

AS4C8M16S-7TCN: Offers 143 MHz operation in a commercial temperature range TSOP II package.