LSF0204PWR Equivalent & Substitute Parts

Part Overview

The LSF0204PWR is an active voltage level translator IC manufactured by Texas Instruments, designed for bidirectional signal translation between different voltage domains. This single-circuit, 4-channel translator operates at 100MHz and supports voltage translation from 0.8V to 4.5V on VCCA and 1.8V to 5.5V on VCCB, with auto-direction sensing capability. The device is in active product status with ROHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter ranges.

Key Parameters

Parameter	LSF0204PWR Specification
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	4
Voltage - VCCA	0.8V ~ 4.5V
Voltage - VCCB	1.8V ~ 5.5V
Data Rate	100MHz
Output Type	Open Drain, Push-Pull
Operating Temperature	-40°C ~ 125°C (TA)
Features	Auto-Direction Sensing
Package / Case	14-TSSOP (0.173", 4.40mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the LSF0204PWR are classified based on the following substitution criteria:

Parametric Equivalents maintain identical electrical specifications across all critical parameters: 1 circuit with 4 channels per circuit, bidirectional operation, 100MHz data rate, VCCA range 0.8V ~ 4.5V, VCCB range 1.8V ~ 5.5V, auto-direction sensing, and 14-TSSOP package form factor.

Manufacturer Recommended Alternatives provide functional voltage level translation with bidirectional 4-channel capability but may differ in one or more of the following: data rate performance, voltage supply ranges, operating temperature range, package form factor, or circuit/channel configuration. These alternatives are suitable when the application requirements fall within their specified parameter ranges.

Parameter Comparison

Part Number	Manufacturer	Circuits	Channels/Circuit	VCCA Range	VCCB Range	Data Rate	Temp Range	Package	Auto-Direction Sensing
LSF0204PWR	Texas Instruments	1	4	0.8V ~ 4.5V	1.8V ~ 5.5V	100MHz	-40°C ~ 125°C	14-TSSOP	Yes
LSF0204DPWR	Texas Instruments	1	4	0.8V ~ 4.5V	1.8V ~ 5.5V	100MHz	-40°C ~ 125°C	14-TSSOP	Yes
NTS0104PW,118	NXP Semiconductors	1	4	1.65V ~ 3.6V	2.3V ~ 5.5V	50Mbps	-40°C ~ 125°C	14-TSSOP	Yes
NTS0104PW-Q100J	NXP USA Inc.	1	4	1.65V ~ 3.6V	2.3V ~ 5.5V	50Mbps	-40°C ~ 125°C	14-TSSOP	Yes
NTS0104GU12,115	NXP USA Inc.	1	4	1.65V ~ 3.6V	2.3V ~ 5.5V	50Mbps	-40°C ~ 125°C	12-XQFN (2x1.7)	Yes
MAX13042EEBC+T	Analog Devices Inc./Maxim Integrated	1	4	1.62V ~ 3.2V	2.2V ~ 3.6V	100Mbps	-40°C ~ 85°C	12-UCSP	No
PI4ULS3V204LE	Diodes Incorporated	4	1	1.1V ~ 3.6V	1.1V ~ 3.6V	2Mbps, 24Mbps	-40°C ~ 85°C	14-TSSOP	Yes
PI4ULS3V204LEX	Diodes Incorporated	4	1	1.1V ~ 3.6V	1.1V ~ 3.6V	2Mbps, 24Mbps	-40°C ~ 85°C	14-TSSOP	Yes

Engineering Selection Recommendations

Direct Parametric Equivalent: LSF0204DPWR is a parametric equivalent to LSF0204PWR, maintaining identical electrical specifications and 14-TSSOP packaging. Both devices are manufactured by Texas Instruments, active product status, and ROHS3 compliant. Selection between these two is based on packaging format availability (Cut Tape vs. Digi-Reel).

Same Package, Reduced Performance: NTS0104PW,118 and NTS0104PW-Q100J maintain the 14-TSSOP package and -40°C to 125°C operating temperature range but operate at 50Mbps instead of 100MHz. VCCA range is narrower (1.65V ~ 3.6V vs. 0.8V ~ 4.5V). These are suitable for applications where 50Mbps performance is sufficient and voltage domains remain within the specified ranges.

Automotive Grade Alternative: NTS0104PW-Q100J includes AEC-Q100 automotive qualification and is available in Tape & Reel packaging, suitable for automotive applications requiring equivalent performance to NTS0104PW,118.

Compact Package Alternative: NTS0104GU12,115 provides the same electrical performance as other NTS0104 variants but in a smaller 12-XQFN (2x1.7) package. This option is applicable when board space is constrained and 50Mbps performance meets application requirements.

Narrower Voltage Range Alternative: MAX13042EEBC+T operates at 100Mbps but with restricted voltage ranges (VCCA 1.62V ~ 3.2V, VCCB 2.2V ~ 3.6V) and reduced operating temperature range (-40°C ~ 85°C). The 12-UCSP package is significantly smaller. This device lacks auto-direction sensing. Selection requires confirmation that application voltage domains and temperature requirements fall within specified limits.

Alternate Circuit/Channel Configuration: PI4ULS3V204LE and PI4ULS3V204LEX feature 4 circuits with 1 channel per circuit (inverse configuration to LSF0204PWR's 1 circuit with 4 channels). Data rates are lower (2Mbps, 24Mbps) and operating temperature is limited to -40°C ~ 85°C. These are suitable only when the application topology matches the 4-circuit, 1-channel-per-circuit requirement and performance specifications are acceptable.

Frequently Asked Questions (FAQ)

Q: Can LSF0204DPWR be used as a direct replacement for LSF0204PWR?

A: Yes. LSF0204DPWR is a parametric equivalent with identical electrical specifications, voltage ranges, data rate, operating temperature, and 14-TSSOP package. The difference is packaging format (Digi-Reel vs. Cut Tape).

Q: What are the key differences between LSF0204PWR and NTS0104PW,118?

A: Both maintain 14-TSSOP packaging and -40°C to 125°C operating temperature. NTS0104PW,118 operates at 50Mbps (half the speed of LSF0204PWR's 100MHz) and has a narrower VCCA range (1.65V ~ 3.6V vs. 0.8V ~ 4.5V). Selection depends on whether the application requires 100MHz performance and operates with VCCA below 1.65V.

Q: Is MAX13042EEBC+T suitable as a substitute?

A: MAX13042EEBC+T provides 100Mbps bidirectional 4-channel translation but with significant restrictions: VCCA limited to 1.62V ~ 3.2V, VCCB limited to 2.2V ~ 3.6V, operating temperature limited to -40°C ~ 85°C, and no auto-direction sensing. It is suitable only if application voltage domains and temperature requirements fall entirely within these narrower ranges and auto-direction sensing is not required.

Q: Why do PI4ULS3V204LE and PI4ULS3V204LEX have different circuit/channel configurations?

A: These Diodes Incorporated devices feature 4 independent circuits with 1 channel per circuit, providing a different topology than LSF0204PWR's single circuit with 4 channels. This configuration is suitable for applications requiring four separate, independent translation channels rather than four channels within a single circuit. Data rates are significantly lower (2Mbps, 24Mbps).

Q: Can I use NTS0104GU12,115 in place of LSF0204PWR?

A: NTS0104GU12,115 provides equivalent electrical performance to other NTS0104 variants (50Mbps, 1 circuit, 4 channels, auto-direction sensing) but in a smaller 12-XQFN package. Substitution is valid only if the application tolerates 50Mbps performance and the smaller package footprint is compatible with board layout.

Q: What does "auto-direction sensing" mean for substitution purposes?

A: Auto-direction sensing automatically determines signal direction on bidirectional channels without external control signals. LSF0204PWR, LSF0204DPWR, NTS0104 variants, and PI4ULS3V204 series include this feature. MAX13042EEBC+T does not. Applications relying on automatic direction detection require substitutes with this feature.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching LSF0204PWR compliance status.

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