DS42MB200TSQ Equivalent & Substitute Parts

Part Overview

The DS42MB200TSQ is a 2-channel buffer multiplexer interface component manufactured by Texas Instruments, designed for high-speed signal routing applications with a maximum data rate of 4.25Gbps. The device features CML input and output, integrated input equalization, and output pre-emphasis for signal conditioning in 48-WQFN packaging.

The main part number DS42MB200TSQ is currently classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for systems utilizing this interface component.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Category	Interface
Type	Buffer, Multiplexer
Number of Channels	2 x 1:2, 2:1
Data Rate (Max)	4.25Gbps
Input Signal Type	CML
Output Signal Type	CML
Delay Time	500ps
Signal Conditioning	Input Equalization, Output Pre-Emphasis
Voltage - Supply	3.135V ~ 3.465V
Operating Temperature	-40°C ~ 85°C
Package / Case	48-WFQFN Exposed Pad
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the DS42MB200TSQ is determined by strict equivalence across the following critical parameters:

Channel configuration: 2 x 1:2, 2:1 multiplexer topology
Data rate capability: 4.25Gbps maximum
Signal interface: CML input and CML output
Signal conditioning: Input equalization and output pre-emphasis
Package type: 48-WFQFN with exposed pad
Electrical specifications: 3.135V ~ 3.465V supply voltage, 500ps delay time
Environmental rating: -40°C ~ 85°C operating temperature range
Moisture sensitivity: MSL 3 classification

Parts meeting all these parameters are classified as parametric equivalents and direct substitutes. Packaging format (bulk versus tape & reel) does not affect functional substitutability.

Parameter Comparison

Parameter	DS42MB200TSQ	DS42MB200TSQ/NOPB
Manufacturer	Texas Instruments	Texas Instruments
Type	Buffer, Multiplexer	Buffer, Multiplexer
Number of Channels	2 x 1:2, 2:1	2 x 1:2, 2:1
Data Rate (Max)	4.25Gbps	4.25Gbps
Input Signal Type	CML	CML
Output Signal Type	CML	CML
Delay Time	500ps	500ps
Signal Conditioning	Input Equalization, Output Pre-Emphasis	Input Equalization, Output Pre-Emphasis
Voltage - Supply	3.135V ~ 3.465V	3.135V ~ 3.465V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	48-WFQFN Exposed Pad	48-WFQFN Exposed Pad
Mounting Type	Surface Mount	Surface Mount
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Packaging Format	Bulk	Tape & Reel (TR)

Engineering Selection Recommendations

DS42MB200TSQ/NOPB is the direct parametric equivalent and recommended substitute for DS42MB200TSQ. Both parts are functionally identical across all electrical and mechanical specifications.

The primary distinction is product status and regulatory compliance. DS42MB200TSQ/NOPB carries Active product status, ensuring ongoing manufacturer support and availability. Additionally, DS42MB200TSQ/NOPB meets ROHS3 compliance requirements, whereas the original DS42MB200TSQ is RoHS non-compliant. For new designs or production requiring regulatory compliance, DS42MB200TSQ/NOPB is the appropriate selection.

Both parts are supplied in 48-WQFN (7x7) packaging with identical electrical performance. The packaging format difference (bulk versus tape & reel) reflects supply chain configuration and does not affect functional compatibility or performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can DS42MB200TSQ/NOPB be used as a direct replacement for DS42MB200TSQ?

A: Yes. DS42MB200TSQ/NOPB is a parametric equivalent with identical electrical specifications, channel configuration, data rate capability, signal conditioning, package type, and operating parameters. Both parts are functionally interchangeable at the circuit level.

Q: What is the difference between DS42MB200TSQ and DS42MB200TSQ/NOPB?

A: The parts are electrically and mechanically identical. The primary differences are product status (Obsolete versus Active), RoHS compliance (non-compliant versus ROHS3 compliant), and packaging format (bulk versus tape & reel). The "/NOPB" designation indicates lead-free, RoHS-compliant manufacturing.

Q: Are there any compatibility concerns when substituting these parts?

A: No compatibility concerns exist. Both parts share identical 48-WFQFN package geometry, pinout, electrical ratings, and performance characteristics. PCB layout, footprint, and circuit design remain unchanged.

Q: Why should I select DS42MB200TSQ/NOPB over DS42MB200TSQ?

A: DS42MB200TSQ/NOPB is recommended for new designs and ongoing production due to Active product status, ensuring manufacturer support and supply availability. ROHS3 compliance satisfies regulatory requirements in many markets. The original DS42MB200TSQ is obsolete and may face supply constraints.

Q: Does packaging format (bulk versus tape & reel) affect performance?

A: No. Packaging format is a supply chain and handling consideration only. Electrical performance, functionality, and reliability are identical regardless of whether the part is supplied in bulk or tape & reel format.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message