GS864236GB-250I

Memory IC Overview

The GS864236GB-250I is a 72 Mbit Synchronous Burst Static Random Access Memory (SRAM) manufactured by GSI Technology. It features a memory organization of 2M x 36 bits and supports a maximum clock frequency of 250 MHz with a typical access time of 6.5 ns. The device operates on dual power supplies, accepting 2.3 V to 2.7 V for the core and 3.0 V to 3.6 V for I/O. It utilizes a parallel interface and is housed in a 119-pin BGA package. The component supports Single Cycle Deselect (SCD) or Dual Cycle Deselect (DCD) modes within Pipeline or Flow Through architectures.

Memory IC Feature Summary

• Supports user-configurable Pipeline and Flow Through operation modes via external pin selection.
• Features No Bus Turn Around (NBT) functionality to enable zero wait Read-Write-Read bus utilization.
• Includes IEEE 1149.1 JTAG-compatible Boundary Scan for testing and verification.
• Offers LBO pin configuration for selecting between Linear or Interleaved Burst modes.

Memory IC Applications

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

Memory IC Procurement Notes

Verify the specific suffix 'I' confirms the industrial temperature range of -40°C to +85°C, distinct from commercial variants. Confirm RoHS compliance status and export control classification (ECCN 3A991.B.2.B) requirements prior to ordering. Ensure the 119-pin BGA footprint matches the target PCB design constraints.

Memory IC Selection Notes

Select this part when a 36-bit data width is required for high-throughput applications. Compare against the GS864236GB-166M if lower speed suffices, or the GS8642Z36GB-250I if ZBT architecture is preferred. Verify that the 119-pin BGA package is suitable for the assembly process and thermal management strategy.

Memory IC Part Context

This component belongs to the GS864236GB series of SyncBurst SRAMs. It shares pin compatibility with other devices in the family, such as 2Mb, 4Mb, 8Mb, and 16Mb variants, facilitating design scalability. The series is characterized by its ability to operate at both 2.5V and 3.3V supply levels, offering flexibility in system power design.

Memory IC Replacement Considerations

The GS864236GB-166M serves as a lower-speed alternative within the same package and pinout. For ZBT technology, the GS8642Z36GB-250I is a functional substitute with identical pinning but different internal architecture.