PI74AVC16835A Equivalent & Substitute Parts

Part Overview

The PI74AVC16835A is an 18-bit universal bus driver manufactured by Diodes Incorporated, housed in a 56-TSSOP package. This logic component is designed for signal buffering and bus driving applications requiring low-voltage operation across 1.65V to 3.6V supply ranges. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

PI74AVC16835A

Diodes IncorporatedIn Stock: 2282PI74AVC16835A Datasheet

Current PartRFQ

SN74ALVC162835DGGR

Texas InstrumentsIn Stock: 5442SN74ALVC162835DGGR Datasheet

DirectRFQ

SN74AVC16835DGVR

Texas InstrumentsIn Stock: 1962SN74AVC16835DGVR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PI74AVC16835A is determined by the following critical parameters:

• Logic Type: Universal Bus Driver (18-Bit configuration)
• Output Drive Capability: 12mA high and low current
• Supply Voltage Range: Minimum 1.65V operation required
• Operating Temperature Range: -40°C to 85°C
• Mounting Type: Surface Mount
• Package Compatibility: 56-pin TSSOP or equivalent footprint

Two substitute parts meet these criteria with varying degrees of compatibility. The SN74ALVC162835DGGR maintains identical electrical specifications while offering active product status and improved compliance. The SN74AVC16835DGVR provides direct series continuity but requires package footprint verification due to dimensional differences.

Parameter Comparison

Engineering Selection Recommendations

For applications requiring direct replacement of the PI74AVC16835A, the SN74ALVC162835DGGR from Texas Instruments is the primary substitute. This part maintains identical electrical specifications, package dimensions, and pin configuration while offering active product status and ROHS3 compliance. The transition from Diodes Incorporated to Texas Instruments sourcing does not affect functional performance within the specified operating parameters.

The SN74AVC16835DGVR provides an alternative within the same 74AVC series from Texas Instruments. This part offers extended lower voltage operation (1.4V minimum versus 1.65V) and maintains all output drive specifications. However, the package footprint differs in width (4.40mm versus 6.10mm), requiring PCB layout verification before implementation.

Both substitute parts carry active product status and ROHS3 compliance, addressing the obsolescence and regulatory limitations of the original PI74AVC16835A.

Frequently Asked Questions (FAQ)

Q: Can the SN74ALVC162835DGGR be used as a direct drop-in replacement for the PI74AVC16835A?

A: Yes. The SN74ALVC162835DGGR maintains identical electrical specifications, output drive capability (12mA), supply voltage range (1.65V ~ 3.6V), operating temperature range (-40°C ~ 85°C), and package footprint (56-TFSOP, 6.10mm width). Pin configuration and functional behavior are equivalent.

Q: What is the primary difference between the two substitute parts?

A: The SN74ALVC162835DGGR uses the ALVC logic family with identical package dimensions to the original part. The SN74AVC16835DGVR remains within the AVC series but uses a narrower TVSOP package (4.40mm width versus 6.10mm width) and supports lower minimum supply voltage (1.4V versus 1.65V).

Q: Does package width difference affect electrical performance?

A: Package width does not affect electrical performance. However, the SN74AVC16835DGVR requires PCB layout verification to confirm footprint compatibility with existing board designs. Pin pitch and lead configuration remain consistent across both packages.

Q: Are both substitute parts RoHS compliant?

A: Yes. Both the SN74ALVC162835DGGR and SN74AVC16835DGVR are ROHS3 compliant, addressing the RoHS non-compliance status of the original PI74AVC16835A.

Q: Which substitute part should be selected for new designs?

A: The SN74ALVC162835DGGR is recommended for new designs due to active product status, full specification alignment, and identical package footprint. The SN74AVC16835DGVR is suitable when lower minimum supply voltage (1.4V) is required and package footprint compatibility is confirmed.