TUSB1104RNQR Equivalent & Substitute Parts

Part Overview

The TUSB1104RNQR is a USB Type-C buffer and redriver interface component manufactured by Texas Instruments. This 4-channel, 10 Gbps device is designed for signal conditioning in high-speed USB 3.2 applications. The component features input equalization and output de-emphasis capabilities, operating across a 3V to 3.6V supply voltage range. The part maintains Active product status and is available in Surface Mount packaging (40-WQFN with exposed pad).

Substitute parts are identified when they maintain identical electrical specifications, mechanical compatibility, and functional performance characteristics. This ensures seamless integration into existing designs without circuit modification or re-qualification.

Key Parameters

Parameter	Value
Type	Buffer, ReDriver
Applications	USB Type C
Data Rate (Max)	10 Gbps
Number of Channels	4
Input Configuration	Differential
Output Configuration	Differential
Signal Conditioning	Input Equalization, Output De-Emphasis
Delay Time	0.3 ns
Capacitance - Input	10 pF
Voltage - Supply	3V ~ 3.6V
Operating Temperature	0°C ~ 70°C (TA)
Mounting Type	Surface Mount
Package / Case	40-WFQFN Exposed Pad
Supplier Device Package	40-WQFN (6x4)
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the TUSB1104RNQR is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters establish the substitution criteria:

Electrical Performance Parameters:

Data Rate (Max): 10 Gbps
Number of Channels: 4
Delay Time: 0.3 ns
Input Capacitance: 10 pF
Supply Voltage Range: 3V ~ 3.6V
Operating Temperature Range: 0°C ~ 70°C (TA)

Functional Parameters:

Type: Buffer, ReDriver
Input Configuration: Differential
Output Configuration: Differential
Signal Conditioning: Input Equalization, Output De-Emphasis

Mechanical & Packaging Parameters:

Mounting Type: Surface Mount
Package / Case: 40-WFQFN Exposed Pad
Supplier Device Package: 40-WQFN (6x4)

Compliance Parameters:

Product Status: Active
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts must match all parameters listed above. Variations in any parameter disqualify a part from substitution classification.

Parameter Comparison

Parameter	TUSB1104RNQR	TUSB1104RNQT
Manufacturer	Texas Instruments	Texas Instruments
Category	Interface	Interface
Type	Buffer, ReDriver	Buffer, ReDriver
Applications	USB Type C	USB Type C
Data Rate (Max)	10 Gbps	10 Gbps
Number of Channels	4	4
Input Configuration	Differential	Differential
Output Configuration	Differential	Differential
Signal Conditioning	Input Equalization, Output De-Emphasis	Input Equalization, Output De-Emphasis
Delay Time	0.3 ns	0.3 ns
Capacitance - Input	10 pF	10 pF
Voltage - Supply	3V ~ 3.6V	3V ~ 3.6V
Operating Temperature	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)
Mounting Type	Surface Mount	Surface Mount
Package / Case	40-WFQFN Exposed Pad	40-WFQFN Exposed Pad
Supplier Device Package	40-WQFN (6x4)	40-WQFN (6x4)
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active

Engineering Selection Recommendations

Both the TUSB1104RNQR and TUSB1104RNQT are Active status products from Texas Instruments, indicating ongoing manufacturer support and availability. The parts are electrically and mechanically identical across all specified parameters, including data rate, channel configuration, signal conditioning capabilities, supply voltage, operating temperature range, and package specifications.

Selection between these parts should be based on inventory availability and procurement lead time. The TUSB1104RNQR currently maintains 3310 pieces in stock, while the TUSB1104RNQT maintains 1345 pieces in stock. Both parts carry identical compliance classifications (ECCN: EAR99, HTSUS: 8542.39.0001) and moisture sensitivity ratings.

Frequently Asked Questions (FAQ)

Q: Can TUSB1104RNQT be used as a direct replacement for TUSB1104RNQR?

A: Yes. The TUSB1104RNQT is a parametric equivalent with identical electrical specifications, functional characteristics, and mechanical packaging. No circuit modifications or design changes are required for substitution.

Q: What are the key differences between these part numbers?

A: There are no differences in electrical performance, functionality, or mechanical specifications. Both parts are 4-channel, 10 Gbps USB Type-C buffer/redriver components with identical signal conditioning, operating parameters, and package configurations.

Q: Are the package dimensions identical?

A: Yes. Both parts use the 40-WQFN (6x4) package with exposed pad configuration. The mechanical footprint, pin count, and layout are identical.

Q: Do both parts operate at the same supply voltage?

A: Yes. Both parts operate across the 3V to 3.6V supply voltage range with identical current specifications and thermal characteristics.

Q: What is the operating temperature range for both parts?

A: Both parts operate across 0°C to 70°C (TA). This specification is identical for both the TUSB1104RNQR and TUSB1104RNQT.

Q: Are there any compliance or certification differences?

A: No. Both parts carry identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications. Moisture sensitivity level is 1 (Unlimited) for both parts.

Q: Can these parts be used interchangeably in production?

A: Yes. The parts are fully interchangeable from electrical, functional, and mechanical perspectives. PCB layout, schematic connections, and design requirements remain unchanged.

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