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GS840Z18CGT-250I is listed in the Memory IC range at ChipApex. The manufacturer field lists GSI Technology Inc.. Its product description is IC SRAM 4MBIT PARALLEL 100TQFP. Review the specifications below when checking this part for your BOM.
Memory IC specifications for GS840Z18CGT-250I
- Description：IC SRAM 4MBIT PARALLEL 100TQFP
- Series：-
- Mfr：GSI Technology Inc.
- Package：Tray
- Memory Type：Volatile
- Memory Format：SRAM
- Technology：SRAM - Synchronous, ZBT
- Memory Size：4Mbit
- Memory Organization：256K x 18
- Memory Interface：Parallel
- Clock Frequency：250 MHz
- Write Cycle Time - Word, Page：-
- Voltage - Supply：2.3V ~ 2.7V, 3V ~ 3.6V
- Operating Temperature：-40°C ~ 100°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：100-LQFP
- Supplier Device Package：100-TQFP (20x14)
- Access Time：-
Memory IC datasheet and documents for GS840Z18CGT-250I
Memory IC Overview
The GS840Z18CGT-250I is a 4 Mbit (256 k x 18) NBT SRAM manufactured by GSI Technology. It features a parallel interface with a maximum clock frequency of 250 MHz and an access time of 5.5 ns. The device operates within a supply voltage range of 2.3 V to 3.6 V, consuming a maximum current of 145 mA or 180 mA depending on conditions. It is housed in a TQFP-100 surface-mount package and supports an industrial temperature range from -40°C to +85°C.
Memory IC Feature Summary
- Supports pipeline/flow-through architecture for high-speed data processing
- Compatible with 2.5V and 3.3V power supplies
- Utilizes Non-Blocking Turbo (NBT) technology
Memory IC Applications
- High-performance embedded systems requiring fast memory access
- Network infrastructure equipment
- Industrial control applications
Memory IC Procurement Notes
Verify the specific suffix 'I' confirms the extended industrial temperature range (-40°C to +85°C). Confirm the TQFP-100 package dimensions match your PCB footprint requirements. Ensure the 2.3V to 3.6V operating voltage aligns with your system's power rails. Check for RoHS compliance status if required by your manufacturing standards.
Memory IC Selection Notes
Select this component when a 250 MHz synchronous SRAM with 18-bit width is required. The NBT architecture offers advantages over standard sync burst devices. Consider the TQFP-100 package for surface-mount assembly. Verify that the 5.5 ns access time meets your system's timing constraints.
Memory IC Part Context
This part belongs to the GS840Z18CGT series of NBT SRAMs. It shares architectural similarities with other GSI Technology memory solutions but is distinct in its 256k x 18 organization. The series targets applications needing high bandwidth and low latency in a compact form factor.
Memory IC Replacement Considerations
Consult official GSI Technology documentation for direct pin-compatible substitutes. Cross-reference with other GS840 variants if different speed grades or packaging options are needed.
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