SN74SSTVF16859G4R

Specialty Logic Overview

The SN74SSTVF16859G4R is a registered buffer manufactured by Texas Instruments, belonging to the SSTVF logic series. It features 13 inputs and 26 outputs housed in a TSSOP-64 package. The device operates within a supply voltage range of 2.3 V to 2.7 V. Key electrical parameters include a propagation delay of 2.5 ns, with low-level output current capability of 16 mA and high-level output current of -16 mA. It supports an operating temperature range from 0°C to +70°C.

Specialty Logic Feature Summary

• Provides registered buffering functionality for DDR I/O applications
• Compatible with SSTL_2 signaling standards
• CMOS logic technology ensures low power consumption

Specialty Logic Applications

• Registered DIMMs (RDIMMs)
• Stacked Low-Profile memory modules
• DDR memory interface circuits

Specialty Logic Procurement Notes

Verify the specific suffix 'G4' against the manufacturer's official documentation to confirm RoHS compliance status and manufacturing origin. Ensure the ordering part number matches the exact package type and tape-and-reel specifications required for your assembly process. Cross-reference the datasheet revision date to ensure compatibility with current design guidelines.

Specialty Logic Selection Notes

Select this component when designing systems requiring SSTL_2 compatible registered buffers for DDR memory interfaces. Verify that the system power supply strictly adheres to the 2.3 V to 2.7 V operating range. Confirm that the thermal environment remains within the 0°C to +70°C commercial grade specification. Ensure the TSSOP-64 package footprint aligns with the PCB layout constraints.

Specialty Logic Part Context

This component is part of the Texas Instruments SN74SSTV/SSTVF family of registered buffers designed for high-speed memory applications. It serves as a critical interface element in DDR memory subsystems, providing signal integrity and timing control. The device complements other members of the 1685x family, offering specific pinout and performance characteristics tailored for planar and stacked memory module designs.

Specialty Logic Replacement Considerations

SN74SSTV16859DGGR is a verified alternative with similar specifications but housed in a different package variant.