72V291L10PFG

FIFOs Memory Overview

The Renesas Electronics Corporation 72V291L10PFG is a SuperSync FIFO memory device operating on a single 3.3 V supply. It features a storage capacity of 64K x 9 bits, providing a total depth of 576K bits. The component supports unidirectional data transfer with independent read and write clocks, enabling simultaneous operations. It achieves a maximum clock frequency of 100 MHz and an access time of 6.5 ns. The device is housed in a 64-pin TQFP package (14x14 mm) and operates within a commercial temperature range of 0°C to 70°C.

FIFOs Memory Feature Summary

• SuperSync architecture with independent read and write clocks for simultaneous operation
• Fixed low first word data latency time eliminating variable clock cycle counting delays
• Programmable Almost-Empty and Almost-Full flags for precise status monitoring
• Auto power down functionality to minimize standby power consumption

FIFOs Memory Applications

• High-speed data buffering in telecommunications systems
• Data rate matching between asynchronous components
• Signal processing pipeline synchronization
• Network interface controller data staging

FIFOs Memory Procurement Notes

Verify the exact suffix configuration against current manufacturer documentation, as ordering suffixes may indicate variations in packaging or lead-free status. Confirm availability through authorized distributors, noting that this specific part number has been marked as obsolete by the manufacturer. Ensure compliance with RoHS directives if required for your application, checking the specific revision details provided in the datasheet.

FIFOs Memory Selection Notes

Select this component when a fixed low latency synchronous FIFO is required for 3.3 V logic interfaces. It serves as a functional replacement for older 5 V versions like the 72291 while offering lower power consumption. Consider the 64-pin TQFP footprint for PCB layout compatibility. Verify that the 100 MHz speed meets system timing requirements and that the 64K depth aligns with buffer size needs.

FIFOs Memory Part Context

The 72V291 belongs to the IDT/Renesas SuperSync family of high-performance FIFO memories. This series is designed for applications requiring fast data throughput and flexible clocking options. The 72V291 specifically targets 3.3 V systems, replacing earlier 5 V counterparts. It shares pin compatibility with other members of the 72V2x1 family, facilitating design upgrades without major hardware changes.

FIFOs Memory Replacement Considerations

The 72V291L10PF is a functionally equivalent alternative within the same series. Other variants such as the 72V291L15TF offer different access times but maintain similar core specifications. Check for pin-compatible upgrades from the 72V281 series if higher speeds are needed.