SN74AHC1GU04DBVT Equivalent & Substitute Parts

Part Overview

The SN74AHC1GU04DBVT is a single-channel inverter logic IC manufactured by Texas Instruments in SOT-23-5 surface mount packaging. This part operates across a 2V to 5.5V supply voltage range with 1 µA maximum quiescent current and 8mA output drive capability. The device is classified as Last Time Buy, indicating production discontinuation. Equivalent and substitute parts are necessary to ensure design continuity, maintain supply chain flexibility, and accommodate alternative packaging or performance requirements.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	1
Number of Inputs	1
Voltage - Supply	2V ~ 5.5V
Current - Quiescent (Max)	1 µA
Current - Output High, Low	8mA, 8mA
Input Logic Level - Low	0.3V ~ 1.1V
Input Logic Level - High	1.7V ~ 4.4V
Max Propagation Delay @ V, Max CL	7ns @ 5V, 50pF
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	SC-74A, SOT-753
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SN74AHC1GU04DBVT is determined by the following critical parameters: logic type (inverter), circuit count (1 channel), input count (1), supply voltage range (2V ~ 5.5V), output drive current (8mA minimum), propagation delay (7ns @ 5V, 50pF), and surface mount packaging compatibility. Parts are grouped into the following categories:

Parametric Equivalent (Same Packaging): Parts maintaining identical electrical specifications and SOT-23-5 packaging with different packaging format (Cut Tape vs. Tape & Reel).

Direct Manufacturer Equivalents (Alternative Packaging): Parts from different manufacturers with matching core electrical parameters but alternative surface mount packages (SOT-25, SC-74A, 5-TSOP, 5-TSSOP).

Upgrade Parts (Enhanced Temperature Range): Parts with extended operating temperature ranges (-40°C ~ 125°C) or automotive qualification (AEC-Q100), providing superior performance margins.

Obsolete Parts (Legacy Compatibility): Parts with discontinued product status but matching electrical specifications, suitable only when design flexibility permits.

Parameter Comparison

Part Number	Manufacturer	Product Status	Package	Voltage Supply	Output Current (mA)	Propagation Delay (ns)	Temp Range (°C)	Inventory
SN74AHC1GU04DBVT	Texas Instruments	Last Time Buy	SOT-23-5	2V ~ 5.5V	8, 8	7 @ 5V	-40 ~ 85	1839
SN74AHC1GU04DBVR	Texas Instruments	Active	SOT-23-5	2V ~ 5.5V	8, 8	7 @ 5V	-40 ~ 85	17200
74AHC1G04GV,125	NXP Semiconductors	Active	Bulk	2V ~ 5.5V	8, 8	7 @ 5V	-40 ~ 85	11425
74AHC1G04GV-Q100H	Nexperia USA Inc.	Active	SC-74A	2V ~ 5.5V	8, 8	7.5 @ 5V	-40 ~ 125	2808
74AHC1G04W5-7	Diodes Incorporated	Active	SOT-25	2V ~ 5.5V	8, 8	7.5 @ 5V	-40 ~ 125	16100
M74VHC1GU04DTT1G	onsemi	Obsolete	5-TSOP	2V ~ 5.5V	8, 8	7 @ 5V	-55 ~ 125	1720
74AHC1GU04GV,125	Nexperia USA Inc.	Active	SC-74A	2V ~ 5.5V	8, 8	7 @ 5V	-40 ~ 125	1259
74AHC1GU04GV-Q100H	Nexperia USA Inc.	Active	SC-74A	2V ~ 5.5V	8, 8	7 @ 5V	-40 ~ 125	809
74AHC1GU04GW,125	Nexperia USA Inc.	Active	5-TSSOP	2V ~ 5.5V	8, 8	7 @ 5V	-40 ~ 125	45153
74AHC1GU04W5-7	Diodes Incorporated	Active	SOT-25	2V ~ 5.5V	6, 6	7 @ 5V	-40 ~ 85	4100
MC74HC1GU04DTT1G	onsemi	Obsolete	5-TSOP	2V ~ 6V	2.6, 2.6	17 @ 6V	-55 ~ 125	24400

Engineering Selection Recommendations

For Direct Replacement (Same Specifications, Active Status): SN74AHC1GU04DBVR is the primary equivalent, maintaining identical electrical parameters and SOT-23-5 packaging with Active product status and significantly higher inventory (17,200 units). This part is the recommended first choice for new designs or immediate replacement.

For Extended Temperature Range Applications: 74AHC1GU04GV,125 and 74AHC1GU04GV-Q100H provide -40°C to 125°C operating range compared to the original -40°C to 85°C. The Q100H variant includes AEC-Q100 automotive qualification. Both are manufactured by Nexperia USA Inc. and maintain full electrical compatibility.

For Alternative Packaging with Active Status: 74AHC1GU04GW,125 (5-TSSOP package, 45,153 units in stock) and 74AHC1G04W5-7 (SOT-25 package, 16,100 units) provide alternative surface mount packages with Active product status. Package selection depends on PCB layout constraints and available footprints.

For Automotive Applications: 74AHC1G04GV-Q100H is qualified to AEC-Q100 and suitable for automotive environments requiring extended temperature operation and formal qualification documentation.

Avoid for New Designs: M74VHC1GU04DTT1G and MC74HC1GU04DTT1G are Obsolete parts. While electrically compatible, these should be used only when design flexibility permits or for legacy system maintenance.

Frequently Asked Questions (FAQ)

Q: Can SN74AHC1GU04DBVR be used as a direct drop-in replacement for SN74AHC1GU04DBVT? A: Yes. Both parts are manufactured by Texas Instruments, maintain identical electrical specifications (2V ~ 5.5V supply, 8mA output drive, 7ns propagation delay), and use the same SOT-23-5 package. The only difference is packaging format (Cut Tape & Digi-Reel vs. Tape & Reel). SN74AHC1GU04DBVR has Active product status with higher inventory availability.

Q: What is the difference between 74AHC1GU04GV,125 and 74AHC1G04GV-Q100H? A: Both are manufactured by Nexperia USA Inc. with identical core electrical specifications. The primary difference is that 74AHC1G04GV-Q100H includes AEC-Q100 automotive qualification and is specifically validated for automotive applications. Both support -40°C to 125°C operating temperature.

Q: Can I use 74AHC1GU04GW,125 (5-TSSOP) instead of the original SOT-23-5 package? A: Yes, if your PCB layout accommodates the 5-TSSOP footprint. Electrical specifications are identical. The 5-TSSOP package is smaller than SOT-23-5, which may provide space advantages. Verify pinout compatibility with your schematic before layout changes.

Q: Why is MC74HC1GU04DTT1G listed as Obsolete? A: MC74HC1GU04DTT1G is a 74HC series part (not 74AHC), with lower output drive current (2.6mA vs. 8mA) and slower propagation delay (17ns vs. 7ns). It is Obsolete and should not be used for new designs. It is included only for reference in legacy system maintenance scenarios.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited), matching the original SN74AHC1GU04DBVT specifications.

Q: Which substitute part has the highest inventory availability? A: 74AHC1GU04GW,125 (Nexperia USA Inc., 5-TSSOP package) has the highest inventory at 45,153 units, followed by SN74AHC1GU04DBVR (Texas Instruments, 17,200 units).

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