CY7C4851-10AC

FIFOs Memory Overview

The CY7C4851-10AC is a double synchronous FIFO memory fabricated using 0.65-micron CMOS technology. It integrates two independent 8K x 9-bit FIFOs within a single 64-pin TQFP package. The device supports high-speed operation with a maximum clock frequency of 100 MHz and a minimum cycle time of 10 ns. It features fully asynchronous read and write capabilities, allowing simultaneous data transfer on separate clocks. Each FIFO includes programmable Almost Empty and Almost Full flags for precise buffer management.

FIFOs Memory Feature Summary

• Integrates two independent 9-bit wide FIFOs in a compact package
• Supports fully asynchronous read and write operations with separate clocks
• Features programmable status flags for granular buffer monitoring
• Enables depth and width expansion through dedicated control pins

FIFOs Memory Applications

• High-speed data acquisition systems
• Multiprocessor interface buffering
• Communications data buffering

FIFOs Memory Procurement Notes

Verify the specific speed grade suffix matches the required timing specifications. Confirm the package type corresponds to the design footprint requirements. Ensure the operating temperature range aligns with the intended application environment. Cross-reference pin assignments with existing schematics to guarantee compatibility.

FIFOs Memory Selection Notes

Select this component when dual independent FIFO channels are required within a single footprint. The 10 ns speed grade suits applications demanding 100 MHz operation. Consider the programmable flag feature if custom threshold detection is necessary. Verify power supply voltage stability as the device operates at 5V.

FIFOs Memory Part Context

This part belongs to the CY7C48X1 series of double synchronous FIFOs. It is functionally equivalent to two standard single FIFOs combined into one unit. The series offers various density options ranging from 256x9 to 8Kx9 per channel. It serves as a drop-in replacement for certain legacy IDT728X1 devices.

FIFOs Memory Replacement Considerations

The datasheet notes functional equivalence to IDT72851. Verify pin compatibility and electrical characteristics before substitution.