CD74HC574M96 Equivalent & Substitute Parts

Part Overview

The CD74HC574M96 is a D-Type flip-flop logic integrated circuit manufactured by Texas Instruments, featuring 1 element with 8-bit positive edge triggering in a 20-SOIC surface mount package. This part operates across a 2V to 6V supply range with tri-state, non-inverted outputs and is classified as Active product status with ROHS3 compliance.

Substitute parts are identified when designs require alternative sourcing due to inventory constraints, manufacturer discontinuation, or specific performance requirements while maintaining functional and electrical compatibility within the 74HC logic family and related advanced variants.

Key Parameters

Parameter	Value
Manufacturer Part Number	CD74HC574M96
Manufacturer	Texas Instruments
Type	D-Type Flip Flop
Number of Elements	1
Number of Bits per Element	8
Output Type	Tri-State, Non-Inverted
Clock Frequency	60 MHz
Max Propagation Delay @ 6V, 50pF	28 ns
Trigger Type	Positive Edge
Voltage Supply Range	2V ~ 6V
Current Output High/Low	7.8 mA / 7.8 mA
Quiescent Current (Iq)	8 µA
Input Capacitance	10 pF
Operating Temperature	-55°C ~ 125°C
Package / Case	20-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the CD74HC574M96 are classified into two categories based on functional and electrical compatibility:

Parametric Equivalents maintain identical electrical specifications and functional behavior. These parts share the same base product number (74HC574) and are interchangeable at the circuit level without design modification.

Manufacturer Recommended Substitutes include parts from alternative manufacturers or logic families that meet or exceed the electrical requirements of the original part. These are selected based on matching or superior performance in clock frequency, propagation delay, supply voltage range, output current capability, and operating temperature range.

Key parameters determining substitution eligibility:

D-Type flip-flop architecture with 8-bit configuration
Positive edge trigger functionality
Tri-state output capability (where applicable)
20-SOIC package form factor
Supply voltage compatibility (minimum 2V ~ 6V overlap required)
Operating temperature range coverage (-55°C to 125°C preferred)
Propagation delay performance (28 ns or better at specified conditions)

Parameter Comparison

Part Number	Manufacturer	Clock Frequency	Propagation Delay @ 6V, 50pF	Supply Voltage	Output Current (High/Low)	Quiescent Current	Operating Temperature	Product Status
CD74HC574M96	Texas Instruments	60 MHz	28 ns	2V ~ 6V	7.8 mA / 7.8 mA	8 µA	-55°C ~ 125°C	Active
CD74HC374M96	Texas Instruments	60 MHz	28 ns	2V ~ 6V	7.8 mA / 7.8 mA	8 µA	-55°C ~ 125°C	Active
74AHC574D,118	Nexperia USA Inc.	115 MHz	10.6 ns	2V ~ 5.5V	8 mA / 8 mA	4 µA	-40°C ~ 125°C	Active
74HC574D,653	Nexperia USA Inc.	133 MHz	26 ns	2V ~ 6V	7.8 mA / 7.8 mA	8 µA	-40°C ~ 125°C	Active
74HC574D-Q100,118	Nexperia USA Inc.	133 MHz	26 ns	2V ~ 6V	7.8 mA / 7.8 mA	8 µA	-40°C ~ 125°C	Active
MC74HC374ADWG	onsemi	35 MHz	21 ns	2V ~ 6V	7.8 mA / 7.8 mA	4 µA	-55°C ~ 125°C	Active
MC74HC374ADWR2G	onsemi	35 MHz	21 ns	2V ~ 6V	7.8 mA / 7.8 mA	4 µA	-55°C ~ 125°C	Active
MC74HC574ADWG	onsemi	35 MHz	27 ns	2V ~ 6V	7.8 mA / 7.8 mA	4 µA	-55°C ~ 125°C	Active
MC74HC574ADWR2G	onsemi	35 MHz	27 ns	2V ~ 6V	7.8 mA / 7.8 mA	4 µA	-55°C ~ 125°C	Active
MM74HC574WM	Fairchild Semiconductor	35 MHz	27 ns	2V ~ 6V	7.8 mA / 7.8 mA	8 µA	-40°C ~ 85°C	Active

Engineering Selection Recommendations

Direct Parametric Equivalents: CD74HC374M96 from Texas Instruments serves as a parametric equivalent with identical electrical specifications. Both parts maintain Active product status and ROHS3 compliance, making them suitable for direct substitution in existing designs.

Nexperia 74HC574 Variants: 74HC574D,653 and 74HC574D-Q100,118 from Nexperia USA Inc. provide enhanced clock frequency performance (133 MHz versus 60 MHz) with comparable propagation delay characteristics. The 74HC574D-Q100,118 variant includes AEC-Q100 automotive qualification, appropriate for applications requiring automotive-grade components. Both maintain 2V ~ 6V supply compatibility and Active product status.

Advanced Performance Option: 74AHC574D,118 from Nexperia represents an advanced logic family variant with superior propagation delay (10.6 ns) and reduced quiescent current (4 µA). Supply voltage range is limited to 2V ~ 5.5V, requiring verification against circuit requirements. Operating temperature minimum is -40°C, suitable for most commercial and industrial applications.

onsemi MC74HC574 Series: MC74HC574ADWG and MC74HC574ADWR2G from onsemi maintain full compatibility with 2V ~ 6V supply range and -55°C ~ 125°C operating temperature. Packaging options include Tube (ADWG) and Cut Tape with Digi-Reel (ADWR2G) formats. Moisture Sensitivity Level is 3 (168 Hours), compared to MSL 1 for the original part.

Fairchild MM74HC574WM: MM74HC574WM provides compatibility within the 2V ~ 6V supply range but operates only to 85°C maximum, limiting use in extended temperature applications. Operating temperature minimum of -40°C excludes low-temperature operation below this threshold.

Frequently Asked Questions (FAQ)

Q: Can CD74HC374M96 replace CD74HC574M96 directly? A: CD74HC374M96 is a parametric equivalent with identical electrical specifications, supply voltage range, operating temperature, and package form factor. Both are D-Type 8-bit flip-flops in 20-SOIC packages with tri-state outputs. Functional differences exist in latch versus flip-flop architecture; circuit-level verification is required to confirm functional compatibility.

Q: What is the difference between 74HC574D,653 and 74HC574D-Q100,118? A: Both parts share identical electrical specifications and clock frequency (133 MHz). The primary distinction is qualification level: 74HC574D-Q100,118 includes AEC-Q100 automotive qualification, required for automotive applications. 74HC574D,653 is suitable for industrial and commercial use.

Q: Is 74AHC574D,118 compatible with designs using CD74HC574M96? A: 74AHC574D,118 offers superior performance with 115 MHz clock frequency and 10.6 ns propagation delay. Supply voltage range is 2V ~ 5.5V, which overlaps with the original 2V ~ 6V specification. Designs operating above 5.5V require alternative selection. Operating temperature minimum is -40°C, excluding extended low-temperature applications.

Q: What packaging options are available for onsemi substitutes? A: MC74HC574ADWG is supplied in Tube packaging. MC74HC574ADWR2G is supplied in Cut Tape with Digi-Reel format. Both use 20-SOIC package form factor matching the original CD74HC574M96.

Q: Does MM74HC574WM meet the full operating temperature range of the original part? A: MM74HC574WM operates from -40°C to 85°C, which does not cover the original -55°C to 125°C range. This part is unsuitable for applications requiring operation below -40°C or above 85°C.

Q: Are all substitute parts ROHS3 compliant? A: All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, matching the environmental compliance profile of CD74HC574M96.

Q: What is the significance of Moisture Sensitivity Level differences? A: CD74HC574M96 has MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. onsemi MC74HC574 variants have MSL 3 (168 Hours), requiring controlled storage and handling within 168 hours of package opening. Fairchild MM74HC574WM does not specify MSL rating.

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