GS81280Z36GT-333I

Memory IC Overview

The GS81280Z36GT-333I is a 144 Mbit Synchronous Burst Static Random Access Memory (SRAM) manufactured by GSI Technology. It features a memory organization of 4 Megawords by 36 bits and supports dual voltage operation with core supplies of 2.5 V or 3.3 V, alongside compatible I/O voltages. The device achieves a maximum clock frequency of 333 MHz with an access time of 4.5 ns. It utilizes a parallel interface and is housed in a 100-lead Thin Quad Flat Package (TQFP). The component operates within a temperature range of -40°C to +100°C.

Memory IC Feature Summary

• Supports user-configurable flow-through or pipelined architecture via a dedicated pin
• Enables Dual Cycle Deselect (DCD) operation for power management
• Features internal input resistors on mode pins allowing floating configurations
• Provides Byte Write and Global Write operational modes

Memory IC Applications

• High-speed data buffering in telecommunications systems
• Cache memory implementation in network processing equipment
• Data storage in industrial control applications requiring wide data buses

Memory IC Procurement Notes

Verify the specific suffix 'I' confirms the industrial temperature rating (-40°C to +100°C) against the manufacturer's official datasheet. Confirm that the TQFP-100 package matches the target PCB footprint requirements. Ensure the selected voltage variant aligns with the system's 2.5V or 3.3V supply rails. Cross-reference the RoHS compliance status with current regulatory standards before finalizing procurement.

Memory IC Selection Notes

Select this component when a 36-bit data width is required for high-frequency synchronous operations up to 333 MHz. The choice is appropriate for designs needing flexible pipeline or flow-through latency configurations. Consider the 100-lead TQFP package constraints regarding board space and thermal dissipation. Verify compatibility with existing controller logic supporting burst access patterns and byte write enable signals.

Memory IC Part Context

This part belongs to the GS81280Z36GT series of NBT SRAMs from GSI Technology. These devices are designed for high-performance embedded memory applications. The series typically includes variants with different speed grades and package options, such as BGA configurations, while maintaining consistent functional architectures across the family.

Memory IC Replacement Considerations

Consult the manufacturer's official substitution guide for verified equivalents. Generic cross-references may not match the specific 36-bit width or pipeline configuration.