PI4ULS3V204LE Equivalent & Substitute Parts

Part Overview

The PI4ULS3V204LE is a voltage level translator IC manufactured by Diodes Incorporated, designed for bidirectional signal translation between different voltage domains. This 14-TSSOP surface mount device features 4 circuits with 1 channel per circuit, supporting data rates up to 24Mbps with auto-direction sensing capability. The part is currently in active production status with 1221 units in stock. Substitute parts are necessary when addressing supply constraints, alternative packaging requirements, or specific performance specifications that align with application needs.

Key Parameters

Parameter	PI4ULS3V204LE
Manufacturer	Diodes Incorporated
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	4
Channels per Circuit	1
Voltage - VCCA	1.1 V ~ 3.6 V
Voltage - VCCB	1.1 V ~ 3.6 V
Data Rate	2Mbps, 24Mbps
Output Type	Open Drain, Push-Pull
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Features	Auto-Direction Sensing
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the PI4ULS3V204LE is determined by the following critical parameters: translator type (voltage level), channel type (bidirectional), output type (open drain, push-pull), and surface mount capability. The substitute parts listed maintain these core functional characteristics while varying in circuit/channel configuration, voltage operating ranges, data rate specifications, and package form factors.

The PI4ULS3V204LE configuration of 4 circuits with 1 channel per circuit differs from most substitute options, which feature 1 circuit with 4 channels. This architectural difference does not prevent substitution when the total channel count and bidirectional capability meet application requirements. Voltage range compatibility, data rate sufficiency, and package compatibility are additional determining factors for valid substitution.

Parameter Comparison

Parameter	PI4ULS3V204LE	LSF0204DPWR	LSF0204DRGYR	LSF0204PWR	LSF0204RUTR	MAX13042EEBC+T	NTS0104BQ-Q100X	NTS0104UK,012	TXS0104EQPWRQ1
Manufacturer	Diodes Inc.	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Analog Devices/Maxim	NXP USA Inc.	NXP USA Inc.	Texas Instruments
Translator Type	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level	Voltage Level
Channel Type	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional
Circuits / Channels	4 / 1	1 / 4	1 / 4	1 / 4	1 / 4	1 / 4	1 / 4	1 / 4	1 / 4
Voltage - VCCA	1.1 V ~ 3.6 V	0.8 V ~ 4.5 V	0.8 V ~ 4.5 V	0.8 V ~ 4.5 V	0.8 V ~ 4.5 V	1.62 V ~ 3.2 V	1.65 V ~ 3.6 V	1.65 V ~ 3.6 V	1.65 V ~ 3.6 V
Voltage - VCCB	1.1 V ~ 3.6 V	1.8 V ~ 5.5 V	1.8 V ~ 5.5 V	1.8 V ~ 5.5 V	1.8 V ~ 5.5 V	2.2 V ~ 3.6 V	2.3 V ~ 5.5 V	2.3 V ~ 5.5 V	2.3 V ~ 5.5 V
Data Rate	2Mbps, 24Mbps	100MHz	100MHz	100MHz	100MHz	100Mbps	50Mbps	50Mbps	24Mbps
Output Type	Open Drain, Push-Pull	Open Drain, Push-Pull	Open Drain, Push-Pull	Open Drain, Push-Pull	Open Drain, Push-Pull	Open Drain, Push-Pull	Open Drain, Push-Pull	Open Drain, Push-Pull	Open Drain, Push-Pull
Operating Temperature	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	14-TSSOP	14-TSSOP	14-VQFN (4.6x4.6)	14-TSSOP	12-UQFN (1.7x2)	12-UCSP	14-DHVQFN (2.5x3)	12-UFBGA, WLCSP	14-TSSOP
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	2 (1 Year)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	2 (1 Year)
Product Status	Active	Active	Active	Active	Active	Active	Active	Last Time Buy	Active

Engineering Selection Recommendations

All substitute parts maintain ROHS3 compliance and EAR99 export classification consistent with the PI4ULS3V204LE. Selection among substitutes depends on specific application constraints:

For applications requiring identical 14-TSSOP packaging with active product status, LSF0204DPWR, LSF0204PWR, and TXS0104EQPWRQ1 are direct form-factor matches. LSF0204PWR and LSF0204DPWR offer extended temperature operation to 125°C and higher data rates (100MHz) compared to the PI4ULS3V204LE's 24Mbps maximum. TXS0104EQPWRQ1 matches the 24Mbps data rate specification and includes AEC-Q100 automotive qualification.

For applications where alternative packaging is acceptable, LSF0204RUTR provides 12-UQFN form factor with 100MHz performance, while LSF0204DRGYR offers 14-VQFN packaging. NTS0104BQ-Q100X provides automotive-grade qualification with 14-DHVQFN packaging and 50Mbps data rate. NTS0104UK,012 is designated Last Time Buy status and should be avoided for new designs.

MAX13042EEBC+T operates within narrower voltage ranges (VCCA 1.62V-3.2V, VCCB 2.2V-3.6V) and is suitable only for applications within these specifications.

Frequently Asked Questions (FAQ)

Q: Can LSF0204PWR directly replace PI4ULS3V204LE in the same PCB footprint?

A: LSF0204PWR shares the 14-TSSOP package form factor with PI4ULS3V204LE and can be used in identical footprints. Both devices are surface mount with matching pin counts and spacing. Verify voltage supply ranges and data rate requirements for your application.

Q: What is the primary difference between PI4ULS3V204LE and LSF0204 series parts?

A: The PI4ULS3V204LE integrates 4 circuits with 1 channel per circuit, while LSF0204 series parts feature 1 circuit with 4 channels. Both configurations provide 4 total bidirectional channels. The LSF0204 architecture may require different PCB layout considerations depending on signal routing requirements.

Q: Are NXP NTS0104 parts suitable replacements for the PI4ULS3V204LE?

A: NTS0104 series parts are functionally compatible voltage level translators with bidirectional capability and auto-direction sensing. NTS0104BQ-Q100X is actively produced and AEC-Q100 qualified. NTS0104UK,012 is Last Time Buy status. Package differences (14-DHVQFN or 12-WLCSP versus 14-TSSOP) require PCB redesign.

Q: What does MSL rating 2 (1 Year) mean for TXS0104EQPWRQ1 and LSF0204DRGYR?

A: MSL 2 indicates the component requires reflow within 1 year of opening the moisture barrier bag. MSL 1 (Unlimited) parts like PI4ULS3V204LE have no time restriction. For high-volume or long-lead applications, verify storage conditions and reflow scheduling.

Q: Can I use MAX13042EEBC+T if my application uses 1.1V supply voltage?

A: No. MAX13042EEBC+T specifies VCCA minimum of 1.62V, which exceeds the PI4ULS3V204LE's 1.1V minimum. This part is suitable only for applications with supply voltages at or above 1.62V on the VCCA rail.

Q: Which substitute offers the highest data rate performance?

A: LSF0204DPWR, LSF0204DRGYR, LSF0204PWR, and LSF0204RUTR all support 100MHz data rates, significantly exceeding the PI4ULS3V204LE's 24Mbps specification. These parts are suitable for high-speed signal translation applications.

Q: Is TXS0104EQPWRQ1 suitable for automotive applications?

A: Yes. TXS0104EQPWRQ1 carries AEC-Q100 automotive qualification and is actively produced. It matches the PI4ULS3V204LE's 24Mbps data rate and 14-TSSOP package while extending operating temperature to 125°C.

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