CY7C4231V-15JXC

FIFOs Memory Overview

The CY7C4231V-15JXC is a low-voltage, high-speed synchronous FIFO memory with a 2K x 9 organization and 18 Kbit capacity. It operates at a maximum frequency of 66.7 MHz with a minimum cycle time of 15 ns. The device functions on a 3.3 V supply (3.0 V to 3.6 V) and features 5 V-tolerant inputs. It includes programmable Almost Empty and Almost Full flags, independent read/write clocks, and width expansion capability.

FIFOs Memory Feature Summary

• Supports fully asynchronous and simultaneous read and write operations using independent clock domains.
• Features programmable status flags for precise buffer management and flow control.
• Provides 5 V-tolerant inputs for seamless integration into mixed-voltage systems.
• Enables data bus width expansion by connecting multiple devices in parallel.

FIFOs Memory Applications

• High-speed data acquisition buffering
• Multi-processor interface synchronization
• Communications system buffering

FIFOs Memory Procurement Notes

Verify the component's lead-free status and package type against the specific ordering code suffix. Confirm that the commercial temperature range meets the operational requirements. Ensure the design accounts for the required reset sequence before initial read or write operations to guarantee valid flag states.

FIFOs Memory Selection Notes

Select this model for applications requiring 2K depth and 9-bit word width. Choose the -15 speed grade for 66.7 MHz operation. Verify compatibility with 3.3 V logic levels and ensure the system supports independent read and write clock signals for optimal performance.

FIFOs Memory Part Context

This component belongs to the CY7C42X1V family of low-voltage synchronous FIFOs. The family offers densities ranging from 64 x 9 to 8K x 9. All members share similar functional architectures, including programmable flags and 5 V-tolerant inputs, differing primarily in storage capacity and available package options.

FIFOs Memory Replacement Considerations

CY7C4231V-15JC is a compatible non-lead-free alternative within the same series.

FIFOs Memory FAQ

How are the programmable flags configured?

The Almost Empty and Almost Full offsets are programmed via the WEN2/LD pin. When held LOW during reset, this pin acts as a load enable for the offset registers.

What is the function of the RS pin?

The Reset (RS) pin initializes the FIFO to an empty condition. A reset cycle is required after power-up before any read or write operations can occur.