IS61LF51236A-7.5TQLI

Memory IC Overview

The IS61LF51236A-7.5TQLI is a synchronous static random-access memory device manufactured by ISSI. It features an organization of 512K x 36 bits, providing a total storage capacity of 18 Mbit. The component supports a maximum clock frequency of 117 MHz with a typical access time of 7.5 ns. It operates within a voltage range of 3.135 V to 3.465 V and has a maximum power supply current of 185 mA. The device utilizes a parallel interface and is housed in a TQFP-100 surface-mount package.

Memory IC Feature Summary

• Synchronous operation controlled by a single clock signal for precise timing alignment
• Flow-through architecture enabling immediate data availability upon address selection
• Integrated self-timed write cycle mechanism for efficient internal data programming
• Auto power-down functionality activates during deselect states to minimize energy consumption

Memory IC Applications

• High-speed cache memory systems requiring low latency
• Buffering applications in network infrastructure equipment
• Data storage segments in industrial control logic units
• Memory modules for telecommunications signal processing hardware

Memory IC Procurement Notes

Verify the specific suffix TQLI against official datasheets to confirm the TQFP-100 package configuration and lead-free status. Ensure the operating voltage requirements align with the 3.3V nominal specification before integration. Confirm RoHS compliance documentation matches the manufacturing batch. Validate that the flow-through mode meets system timing constraints. Check for any obsolescence notices from the manufacturer prior to finalizing procurement orders.

Memory IC Selection Notes

Select this component when a 512K x 36 bit organization is required for wide data paths. Choose this part over asynchronous alternatives if synchronous clocking improves system synchronization. Consider the TQFP-100 package for board space constraints compared to BGA options. Evaluate power consumption limits against the 185 mA maximum rating. Compare access times with other series members if higher speeds are necessary for the application.

Memory IC Part Context

This device belongs to the IS61LF family of synchronous SRAMs designed for high-performance embedded applications. The LF series typically denotes standard voltage operation suitable for general-purpose digital systems. ISSI integrates this memory technology into broader semiconductor solutions for automotive and industrial sectors. The 18Mbit density balances capacity with speed for complex data handling tasks.

Memory IC Replacement Considerations

IS61LF51236B-7.5B3LI-TR offers similar electrical characteristics but uses an FBGA-165 package instead of TQFP-100.