SN74SSTUB32866ZWLR

Specialty Logic Overview

The SN74SSTUB32866ZWLR is a DDR2 register manufactured by Texas Instruments in the SSTU logic series. It features a BGA-96 package with dimensions of 13.5x5.5 mm. The device operates within a supply voltage range of 1.425 V to 1.9 V, with typical operation at 1.7 V to 1.9 V. It supports a maximum operating frequency of 410 MHz and offers configurable 1:1 or 1:2 buffering for 25-bit data paths. Propagation delays are specified at 0.8 ns, 1.5 ns, and 1.7 ns depending on conditions. Output drive capabilities include ±8 mA. The component functions across an industrial temperature range from -40°C to +85°C.

Specialty Logic Feature Summary

• Configurable registered buffer supporting 1:1 and 1:2 input-to-output ratios
• Integrated parity generation and checking for address lines
• Designed for high-speed DDR2 memory interface applications

Specialty Logic Applications

• DDR2 SDRAM register modules
• High-speed memory bus buffering systems
• Server and workstation memory subsystems

Specialty Logic Procurement Notes

Verify the specific suffix ZWLR corresponds to the 96-ball BGA package and tape-and-reel shipping configuration. Confirm that the order matches the active product status and current datasheet revision. Ensure compatibility with 1.5V/1.8V system requirements as indicated in official documentation. Cross-reference the manufacturer part number against authorized distributor catalogs to prevent counterfeit procurement.

Specialty Logic Selection Notes

Select this component when designing DDR2 memory interfaces requiring registered buffers with parity support. The 25-bit width and configurable ratio options provide flexibility for address and command line buffering. Ensure the design accommodates the 1.7V to 1.9V supply voltage constraints and thermal management for the BGA-96 package within the specified temperature range.

Specialty Logic Part Context

This device belongs to the SN74SSTU family of specialty logic components designed for low-voltage, high-speed digital applications. The SSTU series focuses on providing registered buffering solutions for memory interfaces, specifically targeting DDR2 standards. The integration of parity checking distinguishes it from standard unidirectional buffers, offering enhanced signal integrity verification for critical address lines in complex memory architectures.

Specialty Logic Replacement Considerations

Check for direct pin-compatible substitutes within the SN74SSTU family that offer identical 25-bit configurations and BGA-96 packaging. Verify that any alternative maintains the same 1:1/1:2 configurability and parity functionality. Ensure electrical characteristics such as propagation delay and output drive strength remain compatible with the existing DDR2 bus timing requirements.