74LVC2G34FW4-7 Equivalent & Substitute Parts

Part Overview

The 74LVC2G34FW4-7 is a non-inverting buffer logic IC manufactured by Diodes Incorporated, featuring 2 elements with 1 bit per element and push-pull output configuration. This device operates across a wide supply voltage range of 1.65V to 5.5V and maintains active product status with full RoHS3 compliance. Substitute parts are identified based on matching electrical characteristics, output drive capability, and thermal operating range while accommodating variations in packaging configurations and element count where functionally equivalent.

Key Parameters

Parameter	Value
Manufacturer Part Number	74LVC2G34FW4-7
Manufacturer	Diodes Incorporated
Series	74LVC
Logic Type	Buffer, Non-Inverting
Number of Elements	2
Number of Bits per Element	1
Output Type	Push-Pull
Current - Output High, Low	32mA, 32mA
Voltage - Supply	1.65V ~ 5.5V
Operating Temperature	-40°C ~ 125°C (TA)
Package / Case	6-XFDFN
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the 74LVC2G34FW4-7 are classified into two functional categories based on element count and input type characteristics:

Category 1: Direct Functional Equivalents (2-Element, Non-Inverting) Parts maintaining identical 2-element configuration with standard non-inverting input: 74LVC2G34FW5-7, 74LVC2G34FX4-7, 74LVC2G34FZ4-7. These parts share all critical electrical parameters including 32mA output drive, 1.65V–5.5V supply range, and -40°C to 125°C operating temperature. Substitution is valid across all three package variants (X1-DFN1010-6, X2-DFN1409-6, X2-DFN1410-6) provided PCB layout accommodates the specific package footprint.

Category 2: Single-Element Equivalents (1-Element, Non-Inverting) Parts with reduced element count but identical electrical specifications: 74LVC1G34FW4-7, 74LVC1G34FW5-7, 74LVC1G34FX4-7, 74LVC1G34FZ4-7. These are suitable for applications requiring only one buffer element while maintaining full electrical compatibility.

Category 3: 2-Element Schmitt Trigger Input Variants Parts with Schmitt trigger input configuration: 74LVC2G17FW4-7, 74LVC2G17FX4-7, 74LVC2G17FZ4-7. These maintain 2-element configuration and identical output drive but feature Schmitt trigger input for noise immunity applications.

Substitution eligibility is determined by: (1) matching output drive current (32mA), (2) identical supply voltage range (1.65V–5.5V), (3) matching operating temperature range (-40°C to 125°C), (4) identical output type (push-pull), and (5) compatible package footprint for PCB assembly.

Parameter Comparison

Part Number	Elements	Input Type	Output Current (mA)	Supply Voltage (V)	Temp Range (°C)	Package	Inventory (Pcs)
74LVC2G34FW4-7	2	Standard	32/32	1.65–5.5	-40 to 125	X2-DFN1010-6	1070
74LVC2G34FW5-7	2	Standard	32/32	1.65–5.5	-40 to 125	X1-DFN1010-6	5646
74LVC2G34FX4-7	2	Standard	32/32	1.65–5.5	-40 to 125	X2-DFN1409-6	32450
74LVC2G34FZ4-7	2	Standard	32/32	1.65–5.5	-40 to 125	X2-DFN1410-6	5200
74LVC1G34FW4-7	1	Standard	32/32	1.65–5.5	-40 to 125	X2-DFN1010-6	1125
74LVC1G34FW5-7	1	Standard	32/32	1.65–5.5	-40 to 125	X1-DFN1010-6	729
74LVC1G34FX4-7	1	Standard	32/32	1.65–5.5	-40 to 125	X2-DFN1409-6	40200
74LVC1G34FZ4-7	1	Standard	32/32	1.65–5.5	-40 to 125	X2-DFN1410-6	5895
74LVC2G17FW4-7	2	Schmitt Trigger	32/32	1.65–5.5	-40 to 125	X2-DFN1010-6	92792
74LVC2G17FX4-7	2	Schmitt Trigger	32/32	1.65–5.5	-40 to 125	X2-DFN1409-6	32649
74LVC2G17FZ4-7	2	Schmitt Trigger	32/32	1.65–5.5	-40 to 125	X2-DFN1410-6	5928

Engineering Selection Recommendations

All listed substitute parts maintain active product status and full RoHS3 compliance, ensuring long-term availability and regulatory alignment with 74LVC2G34FW4-7 applications.

For direct replacement requiring identical 2-element configuration, select from 74LVC2G34FW5-7, 74LVC2G34FX4-7, or 74LVC2G34FZ4-7. These parts are electrically interchangeable with the primary part; selection depends on PCB footprint compatibility with the specific package variant (X1-DFN1010-6, X2-DFN1409-6, or X2-DFN1410-6).

For applications utilizing only one buffer element, 74LVC1G34FW4-7, 74LVC1G34FW5-7, 74LVC1G34FX4-7, or 74LVC1G34FZ4-7 provide equivalent electrical performance with reduced die size and cost. These single-element variants maintain identical output drive current and supply voltage specifications.

For applications requiring input noise immunity, 74LVC2G17FW4-7, 74LVC2G17FX4-7, or 74LVC2G17FZ4-7 offer Schmitt trigger input configuration while preserving 2-element topology and identical output drive characteristics. These parts are suitable for noisy signal environments where hysteresis improves signal integrity.

Package selection (X1-DFN1010-6, X2-DFN1409-6, X2-DFN1410-6) is determined by PCB layout constraints and assembly equipment capabilities. All packages are surface-mount compatible with standard reflow processes.

Frequently Asked Questions (FAQ)

Q: Can 74LVC1G34 single-element parts replace 74LVC2G34 dual-element parts? A: Single-element parts are functionally compatible only in applications requiring one buffer element. Designs utilizing both buffer elements require dual-element parts (74LVC2G34 series) or dual single-element devices.

Q: What is the difference between standard input and Schmitt trigger input variants? A: Standard input (74LVC2G34 series) responds to logic threshold transitions. Schmitt trigger input (74LVC2G17 series) incorporates hysteresis for improved noise immunity in applications with slow-rising or noisy input signals. Both maintain identical output drive and supply specifications.

Q: Are package variants (X1-DFN1010-6, X2-DFN1409-6, X2-DFN1410-6) electrically interchangeable? A: Yes. All package variants maintain identical electrical specifications. Selection is determined by PCB footprint design and assembly equipment compatibility. Verify footprint dimensions against your PCB layout before substitution.

Q: Do all substitute parts meet the same compliance standards? A: All listed parts are RoHS3 compliant, REACH unaffected, and carry ECCN EAR99 classification. Moisture sensitivity level is MSL 1 (unlimited) across all variants, ensuring consistent handling and storage requirements.

Q: What inventory levels are available for each substitute part? A: Inventory varies by part number and package variant. 74LVC1G34FX4-7 and 74LVC2G17FW4-7 maintain the highest stock levels (40,200 and 92,792 units respectively), while 74LVC1G34FW5-7 and 74LVC2G34FW5-7 have lower availability (729 and 5,646 units respectively).

Q: Can I use 74LVC2G17 Schmitt trigger parts in place of standard 74LVC2G34 buffers? A: Schmitt trigger variants are electrically compatible and suitable for direct substitution. However, the hysteresis characteristic may affect circuit behavior in applications with precise threshold requirements. Evaluate input signal characteristics before substitution.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message