SN74ALVC7803-20DL

Overview

The SN74ALVC7803-20DL is a 512 x 18 synchronous FIFO memory device manufactured by Texas Instruments. It operates within a supply voltage range of 3 V to 3.6 V and supports clock frequencies up to 50 MHz. The component features fast access times of 13 ns with a 50-pF load and utilizes low-power advanced CMOS technology. It is housed in a 56-pin shrink small-outline (DL) package.

Feature Summary

• Supports bidirectional configuration and width expansion without additional logic
• Features programmable almost-full/almost-empty flags for depth offset control
• Includes half-full, input-ready, and output-ready status flags synchronized to independent clocks

Applications

• Buffering asynchronous data paths at high clock rates
• Bidirectional data buffering configurations
• Word-width expansion applications

Procurement Notes

Verify the specific suffix '20DL' against the manufacturer's official documentation to confirm pinout compatibility and electrical specifications. Ensure that the required operating temperature range aligns with the specified commercial limits. Confirm RoHS compliance status directly from the current datasheet revision before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring 18-bit wide data buffers with synchronous read and write operations. It is suitable for applications needing programmable flag offsets and bidirectional data flow capabilities. Ensure the design environment supports the specified 3-V to 3.6-V supply voltage constraints and utilizes the appropriate SSOP-56 footprint.

Part Context

This part belongs to the SN74ALVC78xx series of clocked first-in, first-out memories. It is designed for low-voltage digital logic applications using advanced CMOS technology. The device offers significant board space reduction compared to conventional packages while maintaining high-speed data transfer capabilities for system integration.

Replacement Considerations

The SN74ACT7803 is documented as pin-compatible with this device. Verify voltage level compatibility and timing parameters before substitution.