SN74LVC2G53DCUTE4 Equivalent & Substitute Parts

Part Overview

The SN74LVC2G53DCUTE4 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, making identification of equivalent and substitute components essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Switch Circuit Type	SPDT
Multiplexer/Demultiplexer 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 Max)	4.5ns / 8ns
-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-VFSOP (0.091", 2.30mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SN74LVC2G53DCUTE4 is determined by strict equivalence across the following critical parameters:

Primary Equivalence Criteria:

Switch circuit type (SPDT)
Multiplexer configuration (2:1)
Single circuit count
Supply voltage range (1.65V ~ 5.5V minimum)
Package type (8-VFSOP)
On-state resistance compatibility (13Ohm or lower)

Substitution Categories:

Category 1: Direct Parametric Equivalents (Texas Instruments) Parts SN74LVC2G53DCUR and SN74LVC2G53DCUT maintain identical electrical specifications to the main part. The primary difference is packaging format (Tape & Reel vs. Tube) and product status. These parts are functionally interchangeable in circuit design.

Category 2: Manufacturer-Recommended Alternatives (Nexperia/NXP) Parts 74LVC1G53DC,125, 74LVC1G53DC-Q100H, 74LVC2G53DC,125, and 74LVC2G53DP,125 are recommended by the original equipment manufacturer as functional alternatives. These parts maintain the SPDT 2:1 configuration and 1.65V ~ 5.5V supply range. Notable differences include lower on-state resistance (10Ohm vs. 13Ohm), improved switching times, and extended operating temperature ranges in some variants.

Key Substitution Constraints:

All substitutes maintain SPDT switching topology
All maintain 2:1 multiplexer configuration
All support 1.65V ~ 5.5V supply voltage
Package variants (8-VFSOP vs. 8-TSSOP) must be verified for PCB compatibility
On-state resistance of 10Ohm is superior to 13Ohm and presents no compatibility issues

Parameter Comparison

Parameter	SN74LVC2G53DCUTE4 (Main)	SN74LVC2G53DCUR	SN74LVC2G53DCUT	74LVC1G53DC,125	74LVC1G53DC-Q100H	74LVC2G53DP,125
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.
Switch Circuit	SPDT	SPDT	SPDT	SPDT	SPDT	SPDT
Multiplexer Config	2:1	2:1	2:1	2:1	2:1	2:1
On-State Resistance (Max)	13Ohm	13Ohm	13Ohm	10Ohm	10Ohm	10Ohm
Supply Voltage (V+)	1.65V ~ 5.5V	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	3.8ns
Switch Time Toff (Max)	8ns	8ns	8ns	3.8ns	3.8ns	3.8ns
-3dB Bandwidth	300MHz	300MHz	300MHz	300MHz	300MHz	300MHz
Channel Capacitance (pF)	10pF	10pF	10pF	6pF	6pF	6pF
Leakage Current (Max)	100nA	100nA	100nA	5µA	5µA	5µA
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package Type	8-VFSOP	8-VFSOP	8-VFSOP	8-VFSOP	8-VFSOP	8-TSSOP
Product Status	Discontinued	Active	Last Time Buy	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (No Design Changes Required): SN74LVC2G53DCUR is the primary recommendation. This part maintains identical electrical specifications and 8-VFSOP packaging as the discontinued SN74LVC2G53DCUTE4. Product status is Active, ensuring long-term availability and supply chain stability. This substitution requires no circuit modifications or PCB layout changes.

For Extended Temperature Range Applications: The Nexperia 74LVC1G53DC,125 and 74LVC1G53DC-Q100H variants extend the operating temperature range to -40°C ~ 125°C, compared to the original -40°C ~ 85°C specification. These parts also provide improved on-state resistance (10Ohm vs. 13Ohm) and faster switching times. Both maintain 8-VFSOP packaging and ROHS3 compliance. The 74LVC1G53DC-Q100H variant includes AEC-Q100 automotive qualification.

For Alternative Packaging: The 74LVC2G53DP,125 provides equivalent functionality in an 8-TSSOP package (0.118", 3.00mm Width) instead of 8-VFSOP. This option is suitable only if PCB layout accommodates the larger package footprint. This part is Active and ROHS3 compliant.

Inventory and Availability: SN74LVC2G53DCUR maintains the highest inventory (19,990 pcs), providing optimal supply chain security. SN74LVC2G53DCUT is available as a Last Time Buy option (3,100 pcs). Nexperia alternatives maintain active inventory levels ranging from 3,283 to 20,859 pcs.

Frequently Asked Questions (FAQ)

Q: Can I use 74LVC1G53DC,125 as a direct replacement for SN74LVC2G53DCUTE4? A: Yes. Both parts maintain SPDT 2:1 switching configuration, 1.65V ~ 5.5V supply voltage, and 8-VFSOP packaging. The 74LVC1G53DC,125 offers superior performance with 10Ohm on-state resistance (vs. 13Ohm), faster switching times (3.8ns vs. 4.5ns/8ns), and extended temperature range (-40°C ~ 125°C vs. -40°C ~ 85°C). No circuit modifications are required.

Q: What is the difference between SN74LVC2G53DCUR and SN74LVC2G53DCUT? A: Both parts are electrically identical to the original SN74LVC2G53DCUTE4. The primary difference is product status: SN74LVC2G53DCUR is Active (recommended for new designs), while SN74LVC2G53DCUT is Last Time Buy (limited availability). Packaging format differs (Tape & Reel vs. Tube), but electrical performance is identical.

Q: Why does 74LVC2G53DP,125 use a different package (8-TSSOP)? A: The 74LVC2G53DP,125 is offered in 8-TSSOP packaging (0.118", 3.00mm Width) as an alternative to 8-VFSOP. This package is physically larger and requires different PCB footprint design. Electrical specifications remain equivalent. Use this variant only if your PCB layout supports the larger package dimensions.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts (SN74LVC2G53DCUR, SN74LVC2G53DCUT, 74LVC1G53DC,125, 74LVC1G53DC-Q100H, and 74LVC2G53DP,125) are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited). All meet REACH requirements and carry EAR99 ECCN classification.

Q: Which substitute offers the best performance improvement? A: The Nexperia 74LVC1G53DC,125 and 74LVC1G53DC-Q100H variants provide measurable improvements: on-state resistance reduced from 13Ohm to 10Ohm, switching times improved from 4.5ns/8ns to 3.8ns/3.8ns, channel capacitance reduced from 10pF to 6pF, and operating temperature extended to 125°C. These improvements are particularly beneficial for high-speed switching and extended temperature applications.

Q: Is the 74LVC1G53DC-Q100H suitable for automotive applications? A: Yes. The 74LVC1G53DC-Q100H includes AEC-Q100 automotive qualification and is rated for -40°C ~ 125°C operation. This variant is specifically designed for automotive-grade applications requiring enhanced reliability and temperature performance.

Q: What inventory levels should I consider for production planning? A: SN74LVC2G53DCUR offers the highest inventory (19,990 pcs), providing optimal supply security. Nexperia alternatives maintain active inventory from 3,283 to 20,859 pcs. SN74LVC2G53DCUT (Last Time Buy) has limited inventory (3,100 pcs) and should not be selected for new long-term production commitments.

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