SN74LVC2G53DCUT Equivalent & Substitute Parts

Part Overview

The SN74LVC2G53DCUT 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 integrates a 2:1 multiplexer/demultiplexer function with 13Ohm on-state resistance in an 8-VSSOP surface mount package. The part is currently in Last Time Buy status, making identification of equivalent and substitute components essential for design continuity and procurement planning.

Key Parameters

Parameter	Value
Manufacturer Part Number	SN74LVC2G53DCUT
Manufacturer	Texas Instruments
Series	74LVC
Switch Circuit Type	SPDT
Multiplexer Configuration	2:1
Number of Circuits	1
On-State Resistance (Max)	13Ohm
Channel-to-Channel Matching (ΔRon)	2Ohm (Max)
Supply Voltage Range (V+)	1.65V ~ 5.5V
Switch Time (Ton/Toff)	4.5ns / 8ns (Max)
-3dB Bandwidth	300MHz
Channel Capacitance (CS(off), CD(off))	10pF
Leakage Current (IS(off)) Max	100nA
Crosstalk	-58dB @ 1MHz
Operating Temperature Range	-40°C ~ 85°C
Package Type	8-VSSOP (0.091", 2.30mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Last Time Buy

Substitute Part Grouping Explanation

Substitution of the SN74LVC2G53DCUT is determined by the following critical parameters:

Functional Equivalence Requirements:

Switch circuit type: SPDT
Multiplexer configuration: 2:1
Number of circuits: 1
Supply voltage range: 1.65V ~ 5.5V (minimum overlap required)
Package compatibility: 8-pin surface mount (VSSOP or TSSOP variants acceptable)
RoHS3 compliance and MSL Level 1

Performance Tolerance Parameters:

On-state resistance: Maximum 13Ohm (substitutes with lower resistance are acceptable)
Operating temperature range: Minimum -40°C ~ 85°C (extended ranges acceptable)
Switching speed and bandwidth characteristics within 74LVC series specifications

Substitute parts are grouped into two categories:

Category 1: Parametric Equivalents (Texas Instruments) Parts maintaining identical electrical specifications and packaging within the same manufacturer line.

Category 2: Manufacturer-Recommended Alternatives (Nexperia/NXP) Parts from alternative manufacturers meeting functional requirements with comparable or superior electrical characteristics, including automotive-qualified variants.

Parameter Comparison

Parameter	SN74LVC2G53DCUT (Main)	SN74LVC2G53DCUR	74LVC1G53DC,125	74LVC1G53DC-Q100H	74LVC2G53DP,125
Manufacturer	Texas Instruments	Texas Instruments	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.
Switch Circuit	SPDT	SPDT	SPDT	SPDT	SPDT
Multiplexer Configuration	2:1	2:1	2:1	2:1	2:1
Number of Circuits	1	1	1	1	1
On-State Resistance (Max)	13Ohm	13Ohm	10Ohm	10Ohm	10Ohm
Supply Voltage Range (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	3.8ns	3.8ns	3.8ns
Switch Time Toff (Max)	8ns	8ns	3.8ns	3.8ns	3.8ns
-3dB Bandwidth	300MHz	300MHz	300MHz	300MHz	300MHz
Channel Capacitance (CS(off), CD(off))	10pF	10pF	6pF	6pF	6pF
Leakage Current (IS(off)) Max	100nA	100nA	5µA	5µA	5µA
Operating Temperature Range	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package Type	8-VSSOP	8-VSSOP	8-VSSOP	8-VSSOP	8-TSSOP
Product Status	Last Time Buy	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Grade	No	No	No	Yes (AEC-Q100)	No

Engineering Selection Recommendations

SN74LVC2G53DCUR (Texas Instruments) This part is the direct parametric equivalent to the SN74LVC2G53DCUT, maintaining identical electrical specifications and 8-VSSOP packaging. It is currently in Active product status with significantly higher inventory availability (19,990 pcs vs. 3,100 pcs). This is the primary recommended substitute for direct replacement in existing designs without modification.

74LVC1G53DC,125 (Nexperia USA Inc.) This part offers improved electrical performance with lower on-state resistance (10Ohm vs. 13Ohm), faster switching times (3.8ns vs. 4.5ns/8ns), and extended operating temperature range (-40°C ~ 125°C). The 8-VSSOP package is pin-compatible. This substitute is suitable for applications where improved performance margins are beneficial. Active product status with high inventory (20,859 pcs).

74LVC1G53DC-Q100H (Nexperia USA Inc.) This part is functionally identical to the 74LVC1G53DC,125 with the addition of automotive-grade qualification (AEC-Q100). It is suitable for automotive and high-reliability applications requiring formal qualification documentation. Active product status with moderate inventory (3,729 pcs).

74LVC2G53DP,125 (Nexperia USA Inc.) This part maintains the same functional specifications as the main part but uses an 8-TSSOP package instead of 8-VSSOP. The TSSOP package has a larger footprint (0.118", 3.00mm width vs. 0.091", 2.30mm width). This substitute is applicable only when PCB layout can accommodate the larger package. Active product status with moderate inventory (3,283 pcs).

74LVC2G53DC,125 (NXP Semiconductors) Limited parametric data provided. This part is listed as Active with moderate inventory (6,288 pcs) but lacks detailed electrical specifications for comprehensive comparison. Use only when other substitutes are unavailable.

Frequently Asked Questions (FAQ)

Q: Can I use 74LVC1G53DC,125 as a direct replacement for SN74LVC2G53DCUT? A: Yes. Both parts are SPDT 2:1 multiplexer switches in 8-VSSOP packages with identical supply voltage ranges (1.65V ~ 5.5V). The 74LVC1G53DC,125 offers superior electrical performance with lower on-state resistance and faster switching times. Pin compatibility and functional equivalence are confirmed.

Q: What is the difference between 8-VSSOP and 8-TSSOP packages? A: Both are 8-pin surface mount packages, but differ in physical dimensions. The 8-VSSOP has a width of 0.091" (2.30mm), while the 8-TSSOP has a width of 0.118" (3.00mm). The TSSOP package is larger and requires different PCB footprint design. Pin assignments remain compatible between these package types for the 74LVC2G53 series.

Q: Why is the SN74LVC2G53DCUT in Last Time Buy status? A: Last Time Buy status indicates the manufacturer is discontinuing this part number. Existing inventory is available for final orders, but no future production is planned. Substitution to an Active product status part (such as SN74LVC2G53DCUR) is recommended for long-term design continuity.

Q: Are the Nexperia parts (74LVC1G53DC,125 and 74LVC2G53DP,125) compatible with designs using the Texas Instruments SN74LVC2G53DCUT? A: Yes, for functional compatibility. Both manufacturers produce 74LVC series logic switches meeting the same industry standards. Electrical specifications are comparable or superior. Verify PCB layout compatibility with the specific package type selected.

Q: What does AEC-Q100 qualification mean for the 74LVC1G53DC-Q100H? A: AEC-Q100 is an automotive industry qualification standard. The 74LVC1G53DC-Q100H meets stringent reliability and quality requirements for automotive applications. Use this part when automotive-grade certification is required by design specifications or customer requirements.

Q: Can I use the 74LVC2G53DP,125 (8-TSSOP) in place of the SN74LVC2G53DCUT (8-VSSOP)? A: Functionally yes, but only if your PCB layout can accommodate the larger 8-TSSOP footprint. The electrical specifications are compatible, but the physical package dimensions differ. PCB redesign may be required.

Q: Which substitute offers the best performance improvement? A: The 74LVC1G53DC,125 and 74LVC1G53DC-Q100H both provide improved performance with 10Ohm on-state resistance (vs. 13Ohm), faster switching times (3.8ns vs. 4.5ns/8ns), and extended operating temperature range to 125°C. Choose the Q100H variant if automotive qualification is required.

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