SN74LVC06APWG4 Equivalent & Substitute Parts

Part Overview

The SN74LVC06APWG4 is a 6-channel inverter logic IC with open-drain outputs in a 14-TSSOP surface mount package, manufactured by Texas Instruments. This part is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. The device operates across a 1.65V to 3.6V supply voltage range with low quiescent current and fast propagation delay characteristics suitable for general-purpose logic inversion applications.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Features	Open Drain
Voltage - Supply	1.65V ~ 3.6V
Current - Quiescent (Max)	1 µA
Current - Output High, Low	-, 24mA
Input Logic Level - Low	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V
Max Propagation Delay @ V, Max CL	4.6ns @ 3.3V, 50pF
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Base Product Number	74LVC06

Substitute Part Grouping Explanation

Substitution for the SN74LVC06APWG4 is determined by the following critical parameters:

Logic Function: 6-channel inverter with open-drain output configuration
Package Type: 14-TSSOP surface mount form factor
Supply Voltage Range: Minimum 1.65V operation capability
Output Current: 24mA sink capability
Propagation Delay: 4.6ns or faster at 3.3V with 50pF load
Operating Temperature Range: -40°C to 125°C minimum

Substitute parts must maintain identical logic function, package footprint, and output characteristics. Variations in supply voltage range, quiescent current, and propagation delay are acceptable provided the substitute meets or exceeds the performance envelope of the original part for the intended application voltage and temperature range.

Parameter Comparison

Parameter	SN74LVC06APWG4	SN74LVC06APW	74LCX06MTCX	74LVC06APW,118	74LVC06APW-Q100J	MC74LCX06DTR2G
Manufacturer	Texas Instruments	Texas Instruments	Fairchild Semiconductor	NXP Semiconductors	NXP USA Inc.	onsemi
Logic Type	Inverter	Inverter	Inverter	Inverter	Inverter	Inverter
Number of Circuits	6	6	6	6	6	6
Features	Open Drain	Open Drain	Open Drain	Open Drain	Open Drain	Open Drain
Voltage - Supply	1.65V ~ 3.6V	1.65V ~ 3.6V	2V ~ 3.6V	Not specified	1.2V ~ 5.5V	2V ~ 3.6V
Current - Quiescent (Max)	1 µA	1 µA	10 µA	Not specified	10 µA	10 µA
Current - Output High, Low	-, 24mA	-, 24mA	-, 24mA	Not specified	-, 32mA	-, 24mA
Input Logic Level - Low	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	Not specified	0.12V ~ 0.8V	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	Not specified	1.08V ~ 2V	1.7V ~ 2V
Max Propagation Delay @ V, Max CL	4.6ns @ 3.3V, 50pF	4.6ns @ 3.3V, 50pF	3.7ns @ 3.3V, 50pF	Not specified	2.5ns @ 5V, 50pF	3.7ns @ 3.3V, 50pF
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	Not specified	-40°C ~ 125°C	-40°C ~ 85°C
Package / Case	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP
Product Status	Discontinued	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Not specified	Not specified	Not specified	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute: SN74LVC06APW (Texas Instruments)

The SN74LVC06APW is the direct functional equivalent with identical electrical specifications and operating parameters. It maintains the same 1.65V to 3.6V supply voltage range, 1 µA quiescent current, and 4.6ns propagation delay. This part is active in production and ROHS3 compliant, making it the preferred replacement for the discontinued SN74LVC06APWG4.

Secondary Substitutes: 74LVC06APW-Q100J (NXP USA Inc.)

The 74LVC06APW-Q100J extends the supply voltage range to 1.2V to 5.5V and provides higher output current capability at 32mA. It maintains the required -40°C to 125°C operating temperature range and meets the core functional requirements. This part is suitable for applications requiring extended voltage flexibility.

Alternative Substitutes: 74LCX06MTCX (Fairchild Semiconductor) and MC74LCX06DTR2G (onsemi)

Both 74LCX series parts maintain the 6-channel open-drain inverter function and 14-TSSOP package. However, they operate within a 2V to 3.6V supply range, which excludes the 1.65V lower limit of the original part. Additionally, both are limited to -40°C to 85°C operating temperature, reducing the upper temperature capability by 40°C. These parts are suitable only for applications that do not require the extended low-voltage or high-temperature performance of the original specification.

Note on 74LVC06APW,118 (NXP Semiconductors)

This part number lacks sufficient detailed electrical specifications in the provided data to establish complete parameter equivalence. Selection should be deferred pending full datasheet review.

Frequently Asked Questions (FAQ)

Q: Can I use 74LCX06MTCX as a direct replacement for SN74LVC06APWG4?

A: The 74LCX06MTCX is functionally compatible for logic inversion in the 2V to 3.6V supply range. However, it does not support the 1.65V minimum supply voltage of the original part and is limited to -40°C to 85°C operating temperature. Use this substitute only if your application operates within these narrower voltage and temperature boundaries.

Q: What is the difference between the 74LVC and 74LCX series?

A: Both series provide 6-channel open-drain inverter logic in 14-TSSOP packages. The 74LVC series (Texas Instruments, NXP) supports lower supply voltages starting at 1.65V, while the 74LCX series (Fairchild, onsemi) begins at 2V. The 74LVC series also supports extended temperature operation to 125°C, compared to 85°C for 74LCX.

Q: Is the 14-TSSOP package footprint identical across all substitutes?

A: Yes. All listed substitutes use the 14-TSSOP (0.173", 4.40mm Width) package with identical pin assignments and PCB footprint compatibility. Direct board-level substitution is possible without layout modifications.

Q: Which substitute offers the best performance?

A: The 74LVC06APW-Q100J provides the fastest propagation delay at 2.5ns (measured at 5V) and the highest output current at 32mA. However, for applications operating at 3.3V with 50pF load, the SN74LVC06APW and original SN74LVC06APWG4 both deliver 4.6ns propagation delay. Select based on your specific voltage and current requirements.

Q: Are all substitutes RoHS3 compliant?

A: The SN74LVC06APW and MC74LCX06DTR2G are confirmed ROHS3 compliant. Compliance status for 74LVC06APW,118 and 74LVC06APW-Q100J is not specified in the provided data. Verify compliance documentation with the supplier for your specific application requirements.

Q: What is the quiescent current difference between substitutes?

A: The SN74LVC06APW maintains 1 µA quiescent current, matching the original part. All other active substitutes (74LCX06MTCX, 74LVC06APW-Q100J, MC74LCX06DTR2G) specify 10 µA maximum quiescent current. For low-power applications, the SN74LVC06APW is preferred.

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