SN74LVC2G53DCUTG4 Equivalent & Substitute Parts

Part Overview

The SN74LVC2G53DCUTG4 is a single-circuit SPDT (Single Pole Double Throw) IC switch manufactured by Texas Instruments, designed for low-voltage analog signal switching applications. This device features a 2:1 multiplexer/demultiplexer configuration with 13Ohm on-state resistance and operates across a supply voltage range of 1.65V to 5.5V. The part is currently discontinued at DiGi Electronics, necessitating identification of equivalent alternatives to maintain design continuity and ensure component availability for production and repair applications.

Key Parameters

Parameter	Value
Switch Circuit Configuration	SPDT
Multiplexer/Demultiplexer Circuit	2:1
Number of Circuits	1
On-State Resistance (Max)	13Ohm
Channel-to-Channel Matching (ΔRon)	2Ohm (Max)
Voltage - Supply, Single (V+)	1.65V ~ 5.5V
Switch Time (Ton, Toff) (Max)	4.5ns, 8ns
-3dB Bandwidth	300MHz
Channel Capacitance (CS(off), CD(off))	10pF
Current - Leakage (IS(off)) (Max)	100nA
Crosstalk	-58dB @ 1MHz
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	8-VFSOP (0.091", 2.30mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the SN74LVC2G53DCUTG4 is determined by strict adherence to the following critical parameters:

Primary Substitution Criteria:

Switch circuit configuration: SPDT
Multiplexer/demultiplexer circuit: 2:1
Number of circuits: 1
Package / Case: 8-VFSOP (0.091", 2.30mm Width)
Voltage - Supply, Single (V+): 1.65V ~ 5.5V
Operating temperature range: -40°C minimum to 85°C maximum

Secondary Compatibility Parameters:

On-state resistance (Max): 13Ohm or lower
Channel-to-channel matching (ΔRon): 2Ohm (Max) or better
Switch time specifications: 4.5ns (Ton) and 8ns (Toff) or faster
-3dB bandwidth: 300MHz or higher
Channel capacitance: 10pF or lower
Leakage current: 100nA (Max) or lower
Crosstalk: -58dB @ 1MHz or better

Substitute parts are grouped into two categories: parametric equivalents (identical electrical specifications and packaging) and manufacturer-recommended alternatives (functionally compatible with minor parameter variations).

Parameter Comparison

Parameter	SN74LVC2G53DCUTG4	SN74LVC2G53DCUR	SN74LVC2G53DCUT	74LVC1G53DC,125	74LVC1G53DC-Q100H
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Nexperia USA Inc.	Nexperia USA Inc.
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)	13Ohm	13Ohm	13Ohm	10Ohm	10Ohm
Channel-to-Channel Matching (ΔRon)	2Ohm (Max)	2Ohm (Max)	2Ohm (Max)	Not specified	Not specified
Voltage - Supply, Single (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)	4.5ns	4.5ns	4.5ns	3.8ns	3.8ns
Switch Time Toff (Max)	8ns	8ns	8ns	3.8ns	3.8ns
-3dB Bandwidth	300MHz	300MHz	300MHz	300MHz	300MHz
Channel Capacitance (CS(off), CD(off))	10pF	10pF	10pF	6pF	6pF
Current - Leakage (IS(off)) (Max)	100nA	100nA	100nA	5µA	5µA
Crosstalk	-58dB @ 1MHz	-58dB @ 1MHz	-58dB @ 1MHz	Not specified	Not specified
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	8-VFSOP	8-VFSOP	8-VFSOP	8-VFSOP	8-VFSOP
Packaging Type	Tube	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Product Status	Discontinued at DiGi Electronics	Active	Last Time Buy	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Parametric Equivalents (Texas Instruments 74LVC2G53 Series):

SN74LVC2G53DCUR and SN74LVC2G53DCUT are direct parametric equivalents to the SN74LVC2G53DCUTG4, offering identical electrical specifications and package configuration. SN74LVC2G53DCUR is the preferred selection, as it maintains Active product status with 19,990 units in stock, ensuring long-term availability. SN74LVC2G53DCUT is available as a Last Time Buy option with 3,100 units in stock, suitable for applications where immediate procurement is necessary but future availability may be limited.

Manufacturer-Recommended Alternatives (Nexperia 74LVC1G53 Series):

74LVC1G53DC,125 and 74LVC1G53DC-Q100H are manufacturer-recommended substitutes from Nexperia USA Inc. These parts maintain functional compatibility with identical switch circuit configuration, multiplexer/demultiplexer circuit, package type, and supply voltage range. Both alternatives offer improved performance characteristics: lower on-state resistance (10Ohm versus 13Ohm), faster switch times (3.8ns for both Ton and Toff versus 4.5ns and 8ns), and lower channel capacitance (6pF versus 10pF). Both parts support an extended operating temperature range of -40°C to 125°C, compared to the original -40°C to 85°C specification.

74LVC1G53DC-Q100H includes automotive-grade qualification (AEC-Q100), making it suitable for automotive applications requiring enhanced reliability standards. Both Nexperia alternatives are Active products with substantial inventory availability (20,859 and 3,729 units respectively).

All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited), and identical package dimensions (8-VFSOP, 0.091", 2.30mm Width), ensuring direct PCB compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC2G53DCUR be used as a direct replacement for SN74LVC2G53DCUTG4?

A: Yes. SN74LVC2G53DCUR is a parametric equivalent with identical electrical specifications, package configuration, and operating characteristics. The primary difference is packaging format (Tape & Reel versus Tube) and product status (Active versus Discontinued). No circuit modifications are required.

Q: What are the key differences between Texas Instruments and Nexperia substitute options?

A: Texas Instruments SN74LVC2G53 series (DCUR, DCUT) maintain identical specifications to the original part. Nexperia 74LVC1G53 series offer improved performance with lower on-state resistance (10Ohm), faster switching times (3.8ns), and extended temperature range (-40°C to 125°C). The Nexperia parts are functionally compatible but represent a different base product number within the 74LVC family.

Q: Are the 8-VFSOP packages of all substitute parts identical?

A: Yes. All substitute parts use the 8-VFSOP package with identical dimensions (0.091", 2.30mm Width). PCB footprints and land patterns are directly compatible without modification.

Q: Which substitute part should be selected for new designs?

A: SN74LVC2G53DCUR is recommended for new designs, as it maintains Active product status with the highest inventory availability and identical specifications to the original part. For applications requiring extended temperature range or automotive qualification, 74LVC1G53DC-Q100H is the appropriate selection.

Q: Is the extended operating temperature range of Nexperia parts a concern for compatibility?

A: No. The extended temperature range (-40°C to 125°C for Nexperia versus -40°C to 85°C for Texas Instruments) represents enhanced capability. Applications designed for the original -40°C to 85°C range operate within the Nexperia specification envelope and are fully compatible.

Q: What is the significance of "Last Time Buy" status for SN74LVC2G53DCUT?

A: Last Time Buy status indicates that the manufacturer has announced end-of-life for this part number. While 3,100 units are currently in stock, future availability is not guaranteed. This option is suitable for immediate procurement needs but should not be selected for long-term production planning.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (SN74LVC2G53DCUR, SN74LVC2G53DCUT, 74LVC1G53DC,125, and 74LVC1G53DC-Q100H) are ROHS3 compliant with MSL Level 1 (Unlimited), meeting environmental and reliability standards identical to the original part.

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