TS5MP646NYFPR Equivalent & Substitute Parts

Part Overview

The TS5MP646NYFPR is a 10-circuit SPDT IC switch manufactured by Texas Instruments, designed for high-frequency signal routing applications. This device features a 2:1 multiplexer/demultiplexer configuration with 9Ohm on-state resistance and operates across a supply voltage range of 1.65V to 5.5V. The part is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent and substitute parts is necessary for ongoing system support, legacy product maintenance, and design continuity where this component is currently deployed.

Key Parameters

Parameter	Value
Manufacturer Part Number	TS5MP646NYFPR
Manufacturer	Texas Instruments
Category	Interface
Switch Circuit	SPDT
Multiplexer/Demultiplexer Circuit	2:1
Number of Circuits	10
On-State Resistance (Max)	9Ohm
Channel-to-Channel Matching (ΔRon)	100mOhm
Voltage - Supply, Single (V+)	1.65V ~ 5.5V
-3dB Bandwidth	3GHz
Channel Capacitance (CS(off), CD(off))	1.5pF
Current - Leakage (IS(off)) (Max)	500nA
Crosstalk	-40dB @ 1.25GHz
Operating Temperature	-40°C ~ 85°C
Package / Case	36-XFBGA, DSBGA
Product Status	Not For New Designs
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the TS5MP646NYFPR is determined by the following critical parameters:

Switch topology: SPDT configuration with 2:1 multiplexer/demultiplexer function
Circuit count: 10 independent circuits
On-state resistance: Maximum 9Ohm to 10Ohm range
Supply voltage compatibility: Minimum 1.5V to 5.5V range (overlaps with original 1.65V ~ 5.5V)
Operating temperature range: -40°C ~ 85°C
Package type: BGA format (36-pin variants)
Frequency performance: Minimum 3GHz bandwidth requirement

The TMUX646ZECR meets these substitution criteria through equivalent circuit topology, matching channel count, compatible on-state resistance specifications, overlapping supply voltage range, and identical operating temperature range. The substitute part demonstrates enhanced performance characteristics (6GHz bandwidth) while maintaining functional compatibility with the original design.

Parameter Comparison

Parameter	TS5MP646NYFPR	TMUX646ZECR	Compatibility
Manufacturer	Texas Instruments	Texas Instruments	Match
Switch Circuit	SPDT	SPDT	Match
Multiplexer/Demultiplexer Circuit	2:1	2:1	Match
Number of Circuits / Channels	10	10	Match
On-State Resistance (Max)	9Ohm	9Ohm, 10Ohm	Compatible
Voltage - Supply, Single (V+)	1.65V ~ 5.5V	1.5V ~ 5.5V	Compatible
-3dB Bandwidth	3GHz	6GHz	Enhanced
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	Match
Package / Case	36-XFBGA, DSBGA	36-UFBGA	BGA Format
Product Status	Not For New Designs	Active	Substitute is Active
RoHS Status	ROHS3 Compliant	Not applicable	Original is Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	2 (1 Year)	Original has Lower MSL

Engineering Selection Recommendations

The TMUX646ZECR is the manufacturer-recommended substitute for the TS5MP646NYFPR. Selection of this substitute part is supported by the following engineering factors:

The original TS5MP646NYFPR carries "Not For New Designs" status, indicating end-of-life classification. The TMUX646ZECR maintains active product status from Texas Instruments, ensuring ongoing availability and manufacturing support.

Both parts maintain ROHS3 compliance or equivalent environmental standards. The substitute part demonstrates superior electrical performance with 6GHz bandwidth compared to the original 3GHz specification, providing enhanced frequency response margin for signal routing applications.

Supply voltage ranges are compatible, with the substitute supporting a slightly lower minimum threshold (1.5V versus 1.65V), expanding operational flexibility. On-state resistance specifications remain within acceptable tolerance, with the substitute offering 9Ohm or 10Ohm maximum values.

Package format differences (36-UFBGA for substitute versus 36-XFBGA/DSBGA for original) require physical footprint validation during board-level integration. Both employ 36-pin BGA technology with comparable pin pitch and thermal characteristics.

The substitute part carries MSL 2 (1 Year) rating compared to MSL 1 (Unlimited) for the original, requiring standard moisture control procedures during storage and handling.

Frequently Asked Questions (FAQ)

Q: Can the TMUX646ZECR directly replace the TS5MP646NYFPR in existing designs?

A: Functional substitution is supported through equivalent SPDT 2:1 multiplexer topology, matching 10-circuit configuration, and compatible electrical specifications. Physical package differences (36-UFBGA versus 36-XFBGA/DSBGA) require PCB footprint verification before implementation.

Q: What are the key electrical differences between these parts?

A: The TMUX646ZECR provides doubled bandwidth performance (6GHz versus 3GHz), supporting higher-frequency signal routing applications. Supply voltage range is slightly expanded (1.5V minimum versus 1.65V). On-state resistance specifications remain equivalent at 9Ohm maximum, with the substitute offering 10Ohm as an alternative specification.

Q: Are there supply chain advantages to using the TMUX646ZECR?

A: The TMUX646ZECR maintains active product status with higher inventory availability (17,800 pieces versus 3,620 pieces for the original). Active classification ensures continued manufacturing support and long-term supply continuity.

Q: What handling differences exist between these parts?

A: The TS5MP646NYFPR carries MSL 1 (Unlimited) moisture sensitivity, allowing indefinite storage without baking. The TMUX646ZECR carries MSL 2 (1 Year) rating, requiring standard moisture control procedures and potential baking cycles if storage exceeds one year.

Q: Are both parts RoHS compliant?

A: The TS5MP646NYFPR is explicitly ROHS3 compliant. The TMUX646ZECR carries "Not applicable" RoHS status in the provided specifications. Environmental compliance verification through the manufacturer is recommended for applications with specific regulatory requirements.

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