SN74HC05PWRG4 Equivalent & Substitute Parts

Part Overview

The SN74HC05PWRG4 is a 6-channel inverter 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 2V to 6V supply range and is suitable for logic-level signal inversion in digital circuits requiring open-drain output capability.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Features	Open Drain
Voltage - Supply	2V ~ 6V
Current - Quiescent (Max)	2 µA
Current - Output High, Low	-, 5.2mA
Input Logic Level - Low	0.5V ~ 1.8V
Input Logic Level - High	1.5V ~ 4.2V
Max Propagation Delay @ 6V, 50pF	20ns
Operating Temperature	-40°C ~ 85°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SN74HC05PWRG4 is determined by strict equivalence across the following critical parameters:

Logic Type: Inverter with 6 channels, 1 input per channel
Features: Open-drain output configuration
Voltage Supply Range: 2V ~ 6V
Output Current: 5.2mA (low state)
Input Logic Levels: 0.5V ~ 1.8V (low), 1.5V ~ 4.2V (high)
Package: 14-TSSOP surface mount
Compliance: ROHS3, MSL 1

All substitute parts listed maintain these core electrical and mechanical specifications. Variations in quiescent current, propagation delay, and operating temperature range are noted but do not prevent functional substitution within the specified supply voltage and logic level parameters.

Parameter Comparison

Parameter	SN74HC05PWRG4	SN74HC05PWR	SN74HC05PWT	74HC05T14-13	MC74HC05ADTG	MC74HC05ADTR2G
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Diodes Incorporated	onsemi	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	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V
Current - Quiescent (Max)	2 µA	2 µA	2 µA	20 µA	1 µA	1 µA
Current - Output Low	5.2mA	5.2mA	5.2mA	5.2mA	5.2mA	5.2mA
Input Logic Level - Low	0.5V ~ 1.8V	0.5V ~ 1.8V	0.5V ~ 1.8V	0.5V ~ 1.8V	0.5V ~ 1.8V	0.5V ~ 1.8V
Input Logic Level - High	1.5V ~ 4.2V	1.5V ~ 4.2V	1.5V ~ 4.2V	1.5V ~ 4.2V	1.5V ~ 4.2V	1.5V ~ 4.2V
Max Propagation Delay @ 6V, 50pF	20ns	20ns	20ns	15ns	15ns	15ns
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Package / Case	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP
Packaging Type	Tube	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Product Status	Discontinued at DiGi Electronics	Active	Discontinued at DiGi Electronics	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Active Status):

SN74HC05PWR and 74HC05T14-13 are the preferred substitutes. SN74HC05PWR maintains Texas Instruments manufacturing continuity with active product status and identical electrical specifications to the original part. The 74HC05T14-13 from Diodes Incorporated offers extended operating temperature range (-40°C ~ 125°C) and improved propagation delay (15ns), with high inventory availability.

Alternative Substitutes (Active Status):

MC74HC05ADTG and MC74HC05ADTR2G from onsemi provide the widest operating temperature range (-55°C ~ 125°C) and lowest quiescent current (1 µA), with active product status and robust inventory levels. These parts are suitable for applications requiring extended temperature performance or reduced power consumption.

Discontinued Alternatives:

SN74HC05PWT remains available but carries discontinued status at DiGi Electronics. This part maintains identical specifications to the original SN74HC05PWRG4 and may be considered only if active alternatives are unavailable.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical package geometry, ensuring direct mechanical and electrical compatibility within the specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Can SN74HC05PWR directly replace SN74HC05PWRG4?

A: Yes. Both parts share identical electrical specifications across all critical parameters: 6-channel inverter configuration, open-drain output, 2V ~ 6V supply range, 5.2mA output current, and 14-TSSOP package. The primary difference is packaging format (Tape & Reel vs. Tube) and active product status of SN74HC05PWR.

Q: What is the difference between the Texas Instruments and onsemi substitutes?

A: Texas Instruments substitutes (SN74HC05PWR, SN74HC05PWT) maintain the original -40°C ~ 85°C operating temperature range and 20ns propagation delay. onsemi parts (MC74HC05ADTG, MC74HC05ADTR2G) extend the temperature range to -55°C ~ 125°C and reduce propagation delay to 15ns, with lower quiescent current (1 µA vs. 2 µA). All maintain identical logic levels and output current specifications.

Q: Are there packaging differences between substitutes?

A: Yes. SN74HC05PWR and MC74HC05ADTR2G are supplied in Tape & Reel format. SN74HC05PWT and MC74HC05ADTG are supplied in Tape & Reel and Tube formats respectively. All use the same 14-TSSOP physical package (0.173", 4.40mm width), ensuring identical PCB footprint compatibility.

Q: Which substitute offers the best long-term availability?

A: 74HC05T14-13 from Diodes Incorporated and MC74HC05ADTR2G from onsemi both carry active product status with substantial inventory levels (38,980 and 3,484 units respectively). SN74HC05PWR from Texas Instruments also maintains active status with 3,300 units in stock.

Q: Do all substitutes meet the same compliance requirements?

A: Yes. All listed substitutes are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original SN74HC05PWRG4 specifications.

Q: Can I use a substitute with extended temperature range in place of the original?

A: Yes. Parts with extended operating temperature ranges (-40°C ~ 125°C or -55°C ~ 125°C) are fully compatible with applications requiring the original -40°C ~ 85°C range. The extended range provides additional design margin without affecting performance within the original specification window.

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