74AHC05S14-13 Equivalent & Substitute Parts

Part Overview

The 74AHC05S14-13 is a 6-channel inverter IC with open drain outputs in a 14-SOIC surface mount package, manufactured by Diodes Incorporated. This logic component operates across a 2V to 5.5V supply voltage range and is designed for applications requiring signal inversion with open drain output capability. The part maintains Active product status and is ROHS3 compliant, making it suitable for modern electronic designs. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter ranges.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Features	Open Drain
Voltage - Supply	2V ~ 5.5V
Current - Quiescent (Max)	20 µA
Current - Output High, Low	-, 8mA
Input Logic Level - Low	0.5V ~ 1.65V
Input Logic Level - High	1.5V ~ 3.85V
Max Propagation Delay @ V, Max CL	7.5ns @ 5V, 50pF
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
Series	74AHC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 74AHC05S14-13 is determined by strict equivalence across the following critical parameters:

Logic Type: Must be Inverter
Number of Circuits: Must be 6
Number of Inputs: Must be 1
Features: Must include Open Drain
Voltage - Supply: Must support 2V ~ 5.5V range
Current - Output High, Low: Must support -, 8mA
Input Logic Level - Low: Must support 0.5V ~ 1.65V
Input Logic Level - High: Must support 1.5V ~ 3.85V
Max Propagation Delay @ V, Max CL: Must support 7.5ns @ 5V, 50pF
Package / Case: Must be 14-SOIC (0.154", 3.90mm Width)
Series: Must be 74AHC
RoHS Status: Must be ROHS3 Compliant

The SN74AHC05DR from Texas Instruments meets all substitution criteria within these defined parameters.

Parameter Comparison

Parameter	74AHC05S14-13 (Diodes Inc.)	SN74AHC05DR (Texas Instruments)	Compatibility
Logic Type	Inverter	Inverter	Equivalent
Number of Circuits	6	6	Equivalent
Number of Inputs	1	1	Equivalent
Features	Open Drain	Open Drain	Equivalent
Voltage - Supply	2V ~ 5.5V	2V ~ 5.5V	Equivalent
Current - Quiescent (Max)	20 µA	2 µA	Compatible (TI lower)
Current - Output High, Low	-, 8mA	-, 8mA	Equivalent
Input Logic Level - Low	0.5V ~ 1.65V	0.5V ~ 1.65V	Equivalent
Input Logic Level - High	1.5V ~ 3.85V	1.5V ~ 3.85V	Equivalent
Max Propagation Delay @ V, Max CL	7.5ns @ 5V, 50pF	7.5ns @ 5V, 50pF	Equivalent
Operating Temperature	-40°C ~ 125°C	-40°C ~ 85°C	Compatible (Diodes wider range)
Mounting Type	Surface Mount	Surface Mount	Equivalent
Package / Case	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	Equivalent
Series	74AHC	74AHC	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Equivalent

Engineering Selection Recommendations

Both the 74AHC05S14-13 and SN74AHC05DR are Active status products with ROHS3 compliance and identical MSL ratings. The SN74AHC05DR demonstrates lower quiescent current consumption at 2 µA compared to 20 µA for the 74AHC05S14-13, which may provide advantages in power-sensitive applications. The 74AHC05S14-13 supports an extended operating temperature range of -40°C to 125°C, compared to -40°C to 85°C for the SN74AHC05DR. Selection between these parts should be based on specific application requirements regarding temperature operating range and quiescent current specifications. Both parts maintain identical electrical performance across all other critical parameters and are mechanically interchangeable in 14-SOIC surface mount applications.

Frequently Asked Questions (FAQ)

Q: Can the SN74AHC05DR replace the 74AHC05S14-13 in all applications?

A: The SN74AHC05DR is electrically and mechanically compatible with the 74AHC05S14-13 across all specified parameters. However, applications requiring operation above 85°C must use the 74AHC05S14-13, which supports temperatures up to 125°C. Applications with strict quiescent current budgets may benefit from the SN74AHC05DR's lower 2 µA specification.

Q: Are the package dimensions identical between these parts?

A: Yes. Both parts use the 14-SOIC package with identical dimensions of 0.154" width and 3.90mm width specification, ensuring direct mechanical interchangeability on PCBs designed for either part number.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution is determined by equivalence in logic type (Inverter), circuit count (6), input count (1), open drain feature, supply voltage range (2V ~ 5.5V), output current capability (8mA), input logic levels, propagation delay (7.5ns @ 5V, 50pF), package type (14-SOIC), series designation (74AHC), and compliance certifications (ROHS3, MSL 1).

Q: Does the lower quiescent current of the SN74AHC05DR affect signal integrity?

A: No. The quiescent current specification does not impact signal integrity or propagation delay characteristics. Both parts maintain identical propagation delay of 7.5ns at 5V with 50pF load and identical input/output logic levels.

Q: Are both parts suitable for industrial temperature applications?

A: The 74AHC05S14-13 is rated for -40°C to 125°C and is suitable for extended industrial temperature ranges. The SN74AHC05DR is rated for -40°C to 85°C, which covers standard industrial applications but not extended temperature requirements.

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