74LVC2G53DP,125 Equivalent & Substitute Parts

Part Overview

The 74LVC2G53DP,125 is a single-circuit SPDT (Single Pole Double Throw) analog switch manufactured by Nexperia USA Inc. in the 74LVC logic family. This interface component operates across a wide supply voltage range of 1.65V to 5.5V and features a 10Ohm on-state resistance with 300MHz bandwidth capability. The part is actively produced and RoHS3 compliant, making it suitable for general-purpose switching applications in consumer and industrial electronics. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, higher inventory availability, automotive-grade qualification, or compatibility with different manufacturer specifications.

Key Parameters

Parameter	Value
Switch Circuit Configuration	SPDT (Single Pole Double Throw)
Multiplexer/Demultiplexer Circuit	2:1
Number of Circuits	1
On-State Resistance (Max)	10Ohm
Voltage Supply Range (V+)	1.65V ~ 5.5V
Switch Time (Ton, Toff) Max	3.8ns, 3.8ns
-3dB Bandwidth	300MHz
Charge Injection	7.5pC
Channel Capacitance (CS(off), CD(off))	6pF
Current - Leakage (IS(off)) Max	5µA
Operating Temperature Range	-40°C ~ 125°C (TA)
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 74LVC2G53DP,125 are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents maintain identical electrical specifications across all critical parameters: on-state resistance (10Ohm), supply voltage range (1.65V ~ 5.5V), switch timing (3.8ns), bandwidth (300MHz), charge injection (7.5pC), and package form factor (8-TSSOP). These parts differ only in circuit count (single vs. dual circuit variants) or qualification level (standard vs. automotive-grade AEC-Q100).

Similar Parts share the same functional architecture (SPDT 2:1 switch) and supply voltage compatibility but exhibit measurable differences in on-state resistance (13Ohm vs. 10Ohm), switch timing (4.5ns/8ns vs. 3.8ns), leakage current (100nA vs. 5µA), and package dimensions (8-LSSOP 0.110" vs. 8-TSSOP 0.118"). These parts originate from different manufacturers (Texas Instruments vs. Nexperia) and may require circuit-level validation for timing-sensitive applications.

Parameter Comparison

Parameter	74LVC2G53DP,125 (Main)	74LVC1G53DP,125 (Parametric Equivalent)	74LVC1G53DP-Q100H (Parametric Equivalent)	SN74LVC2G53DCTR (Similar)	SN74LVC2G53DCTRE4 (Similar)
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Texas Instruments	Texas Instruments
Switch Circuit	SPDT	SPDT	SPDT	SPDT	SPDT
Multiplexer/Demultiplexer	2:1	2:1	2:1	2:1	2:1
Number of Circuits	1	1	1	1	1
On-State Resistance (Max)	10Ohm	10Ohm	10Ohm	13Ohm	13Ohm
Voltage Supply (V+)	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V
Switch Time Ton (Max)	3.8ns	3.8ns	3.8ns	4.5ns	4.5ns
Switch Time Toff (Max)	3.8ns	3.8ns	3.8ns	8ns	8ns
-3dB Bandwidth	300MHz	300MHz	300MHz	300MHz	300MHz
Charge Injection	7.5pC	7.5pC	7.5pC	-	-
Channel Capacitance (CS(off), CD(off))	6pF	6pF	6pF	10pF	10pF
Current - Leakage (IS(off)) Max	5µA	5µA	5µA	100nA	100nA
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm)	8-TSSOP, 8-MSOP (0.118", 3.00mm)	8-TSSOP, 8-MSOP (0.118", 3.00mm)	8-LSSOP, 8-MSOP (0.110", 2.80mm)	8-LSSOP, 8-MSOP (0.110", 2.80mm)
Product Status	Active	Active	Active	Active	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Qualification	Standard	Standard	AEC-Q100 Automotive	Standard	Standard

Engineering Selection Recommendations

For Direct Replacement (Parametric Equivalents):

The 74LVC1G53DP,125 and 74LVC1G53DP-Q100H are parametrically equivalent to the 74LVC2G53DP,125 across all critical electrical specifications. Both maintain identical on-state resistance (10Ohm), supply voltage range (1.65V ~ 5.5V), switching speed (3.8ns), and package dimensions (8-TSSOP 0.118"). The 74LVC1G53DP-Q100H adds automotive-grade AEC-Q100 qualification, making it suitable for automotive applications requiring enhanced reliability and traceability. Selection between these parts depends on application requirements and inventory availability rather than electrical performance.

For Alternative Sourcing (Similar Parts):

The SN74LVC2G53DCTR and SN74LVC2G53DCTRE4 from Texas Instruments provide functional compatibility within the same 74LVC logic family and maintain the 1.65V ~ 5.5V supply voltage range. However, these parts exhibit higher on-state resistance (13Ohm vs. 10Ohm), slower switching times (4.5ns/8ns vs. 3.8ns), and higher channel capacitance (10pF vs. 6pF). The SN74LVC2G53DCTRE4 is marked as obsolete and should not be selected for new designs. The SN74LVC2G53DCTR remains active and may be used when the 30% increase in on-state resistance and 18% increase in switching time are acceptable for the application. Package dimensions differ slightly (8-LSSOP 0.110" vs. 8-TSSOP 0.118"), requiring PCB layout verification.

Product Status Considerations:

The 74LVC2G53DP,125 and all parametric equivalents maintain active product status with continuous manufacturing support. The SN74LVC2G53DCTRE4 is obsolete and unsuitable for new designs or long-term production commitments. The SN74LVC2G53DCTR remains active and available.

Frequently Asked Questions (FAQ)

Q: Can the 74LVC1G53DP,125 directly replace the 74LVC2G53DP,125?

A: Yes. The 74LVC1G53DP,125 is a parametric equivalent with identical electrical specifications: 10Ohm on-state resistance, 1.65V ~ 5.5V supply voltage, 3.8ns switching time, and 8-TSSOP package form factor. The primary difference is circuit count (single circuit in both variants). Substitution requires no circuit modifications.

Q: What is the difference between 74LVC1G53DP,125 and 74LVC1G53DP-Q100H?

A: Both parts are parametrically identical in electrical performance. The 74LVC1G53DP-Q100H carries AEC-Q100 automotive qualification, indicating enhanced reliability testing, traceability, and suitability for automotive applications. Selection depends on application requirements and compliance mandates.

Q: Can Texas Instruments SN74LVC2G53DCTR replace the Nexperia 74LVC2G53DP,125?

A: Functional substitution is possible with design validation. The SN74LVC2G53DCTR maintains the same SPDT 2:1 switch architecture and 1.65V ~ 5.5V supply voltage compatibility. However, it exhibits 30% higher on-state resistance (13Ohm vs. 10Ohm), 18% slower turn-off time (8ns vs. 3.8ns), and different package dimensions (8-LSSOP 0.110" vs. 8-TSSOP 0.118"). Applications sensitive to signal attenuation, switching speed, or PCB layout constraints require circuit-level analysis before substitution.

Q: Why is the SN74LVC2G53DCTRE4 listed as obsolete?

A: The SN74LVC2G53DCTRE4 is marked obsolete by Texas Instruments and is no longer in active production. While inventory may remain available, new designs should not incorporate this part. The active equivalent SN74LVC2G53DCTR should be used instead.

Q: Are package dimensions interchangeable between 8-TSSOP and 8-LSSOP variants?

A: No. The 74LVC2G53DP,125 uses 8-TSSOP with 0.118" (3.00mm) width, while the SN74LVC2G53DCTR uses 8-LSSOP with 0.110" (2.80mm) width. Although both are 8-pin surface-mount packages, the dimensional difference requires PCB footprint verification and may affect board layout. Consult package datasheets before substitution.

Q: What is the impact of higher leakage current in the Texas Instruments part?

A: The SN74LVC2G53DCTR exhibits 100nA maximum leakage current compared to 5µA in the Nexperia 74LVC2G53DP,125. This 20-fold reduction in leakage current in the Texas Instruments part may provide advantages in low-power or battery-operated applications. However, this specification difference does not prevent substitution in most general-purpose switching applications.

Q: Are all listed parts RoHS3 compliant?

A: Yes. All parts listed—74LVC2G53DP,125, 74LVC1G53DP,125, 74LVC1G53DP-Q100H, SN74LVC2G53DCTR, and SN74LVC2G53DCTRE4—are ROHS3 compliant and suitable for applications requiring lead-free and restricted substance compliance.

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