TS5L100DBQR Equivalent & Substitute Parts

Part Overview

The TS5L100DBQR is a quad 2:1 multiplexer/demultiplexer networking switch IC manufactured by Texas Instruments, housed in a 16-SSOP package. This part is classified as Last Time Buy, indicating discontinued production with limited inventory availability. The TS5L100DBQR operates at 6V to 6.5V single supply with 350MHz bandwidth and 19Ohm maximum on-state resistance, designed for 10/100 Base-T Ethernet switching applications. Identifying equivalent and substitute parts is necessary due to product discontinuation and to ensure design flexibility for new production runs or redesigns.

Key Parameters

Parameter	TS5L100DBQR
Manufacturer	Texas Instruments
Category	Interface
Multiplexer/Demultiplexer Circuit	2:1
Switch Circuit	SPDT
Number of Channels	4
On-State Resistance (Max)	19Ohm
Voltage - Supply, Single (V+)	6V ~ 6.5V
-3dB Bandwidth	350MHz
Features	10/100 Base-T
Operating Temperature	0°C ~ 70°C
Package / Case	16-SSOP (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)

Substitute Part Grouping Explanation

Substitution eligibility for the TS5L100DBQR is determined by the following critical parameters:

Multiplexer/Demultiplexer Circuit Configuration: Must be 2:1
Number of Channels: Must be 4
Switch Circuit Type: Must be SPDT or compatible
Package Type: Must be 16-SSOP or mechanically equivalent
Voltage Supply Compatibility: Supply voltage range must overlap or encompass the application requirements
Bandwidth Performance: -3dB bandwidth must meet or exceed 350MHz for equivalent performance
On-State Resistance: Lower resistance values are acceptable; higher values may impact signal integrity
Compliance: RoHS3 compliance required; MSL rating must be compatible with assembly processes

The substitute parts listed below meet these core substitution criteria while offering improvements in specific parameters such as lower on-state resistance, extended operating temperature range, or higher bandwidth performance.

Parameter Comparison

Parameter	TS5L100DBQR	TS3L110DBQR	PI3L100QE	PI3L100QEX	PI5A100QE	PI5A100QEX	PI5L200LEX
Manufacturer	Texas Instruments	Texas Instruments	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated
Multiplexer/Demultiplexer Circuit	2:1	2:1	2:1	2:1	2:1	2:1	2:1
Number of Channels	4	4	4	4	4	4	4
On-State Resistance (Max)	19Ohm	8Ohm	15Ohm	15Ohm	10Ohm	10Ohm	12Ohm
Voltage - Supply, Single (V+)	6V ~ 6.5V	3V ~ 3.6V	3.3V	3.3V	2V ~ 6V	2V ~ 6V	3.3V, 5V
-3dB Bandwidth	350MHz	500MHz	213MHz	213MHz	230MHz	230MHz	137MHz
Operating Temperature	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	16-SSOP	16-SSOP	16-SSOP	16-SSOP	16-SSOP	16-SSOP	16-TSSOP
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)	2 (1 Year)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Last Time Buy	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

TS3L110DBQR (Texas Instruments, Active): This is the manufacturer-recommended substitute. It maintains the same 16-SSOP package footprint and SPDT 2:1 multiplexer configuration. The TS3L110DBQR operates at 3V to 3.6V with superior performance metrics: 8Ohm on-state resistance (58% lower than TS5L100DBQR) and 500MHz bandwidth (43% higher). Extended operating temperature range (-40°C to 85°C) provides broader application flexibility. This part is actively produced with high inventory availability (7573 units).

PI5A100QE and PI5A100QEX (Diodes Incorporated, Active): These parts offer the lowest on-state resistance at 10Ohm with 2V to 6V supply voltage range, providing the widest voltage compatibility. The 230MHz bandwidth meets most 10/100 Base-T applications. PI5A100QEX in Tape & Reel packaging offers the highest inventory (17142 units). Both parts feature MSL 1 rating and active production status.

PI3L100QE and PI3L100QEX (Diodes Incorporated, Active): These alternatives provide 15Ohm on-state resistance with fixed 3.3V supply. The 213MHz bandwidth is suitable for standard Ethernet switching. PI3L100QEX in Tape & Reel format provides 6607 units in stock. MSL 1 rating indicates superior moisture handling.

PI5L200LEX (Diodes Incorporated, Active): This part operates at 3.3V or 5V with 12Ohm on-state resistance. The 16-TSSOP package differs from the original 16-SSOP, requiring PCB layout verification. The 137MHz bandwidth is the lowest among substitutes and is suitable only for legacy or lower-speed applications. Inventory is limited (1526 units).

Frequently Asked Questions (FAQ)

Q: Can TS3L110DBQR directly replace TS5L100DBQR in existing designs?

A: TS3L110DBQR is pin-compatible and maintains the same 16-SSOP package footprint. However, the supply voltage differs: TS3L110DBQR requires 3V to 3.6V versus TS5L100DBQR's 6V to 6.5V. Power supply redesign is necessary. The lower on-state resistance and higher bandwidth of TS3L110DBQR provide performance improvements.

Q: What is the difference between PI5A100QE and PI5A100QEX?

A: Both parts are electrically identical. PI5A100QE is supplied in Tube packaging, while PI5A100QEX is supplied in Tape & Reel (TR) format. Selection depends on assembly process requirements and volume. PI5A100QEX offers significantly higher inventory (17142 units versus 1393 units).

Q: Is PI5L200LEX suitable as a substitute?

A: PI5L200LEX meets the 2:1 multiplexer, 4-channel, and SPDT configuration requirements. However, the 16-TSSOP package differs from the original 16-SSOP, requiring PCB footprint modification. The 137MHz bandwidth is the lowest among available substitutes and is suitable only for applications not requiring the full 350MHz performance of the original part.

Q: What does MSL rating mean for component substitution?

A: Moisture Sensitivity Level (MSL) indicates the maximum time a component can be exposed to ambient conditions before soldering. TS5L100DBQR has MSL 2 (1 Year), while most substitutes have MSL 1 (Unlimited). MSL 1 components offer superior moisture tolerance and are preferred for long-term storage or humid environments.

Q: Which substitute offers the best performance improvement?

A: TS3L110DBQR provides the most significant performance gains: 58% lower on-state resistance (8Ohm versus 19Ohm) and 43% higher bandwidth (500MHz versus 350MHz). It is the manufacturer-recommended substitute with active production status and high inventory availability.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant, matching the compliance status of TS5L100DBQR. All parts are also REACH Unaffected and classified as EAR99 for export control purposes.

Q: Can I use PI3L100QE for high-speed Ethernet applications?

A: PI3L100QE operates at 213MHz bandwidth, which is below the original TS5L100DBQR's 350MHz. For 10/100 Base-T applications operating at standard speeds, this is acceptable. For applications requiring the full 350MHz performance margin, TS3L110DBQR or PI5A100QE/PI5A100QEX are more suitable.

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