CD74HC175MT Equivalent & Substitute Parts

Part Overview

The CD74HC175MT is a D-type flip-flop logic integrated circuit manufactured by Texas Instruments, featuring 1 element with 4-bit configuration and positive edge triggering. This component is classified as a master reset flip-flop in the 74HC logic series and is packaged in a 16-SOIC surface mount configuration.

The CD74HC175MT is currently discontinued at DiGi Electronics. Equivalent and substitute parts are available from active manufacturers including Nexperia USA Inc., onsemi, and Fairchild Semiconductor, all offering compatible 74HC175 base products with identical or superior electrical characteristics.

Key Parameters

Parameter	Value
Manufacturer Part Number	CD74HC175MT
Manufacturer	Texas Instruments
Base Product Number	74HC175
Type	D-Type Flip-Flop
Number of Elements	1
Number of Bits per Element	4
Function	Master Reset
Output Type	Complementary
Trigger Type	Positive Edge
Clock Frequency	35 MHz
Max Propagation Delay @ 6V, 50pF	30 ns
Voltage Supply Range	2V to 6V
Current Output High/Low	5.2 mA / 5.2 mA
Current Quiescent (Iq)	8 µA
Input Capacitance	10 pF
Operating Temperature Range	-55°C to 125°C
Package / Case	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Discontinued at DiGi Electronics

Substitute Part Grouping Explanation

Substitute parts for the CD74HC175MT are qualified based on the following criteria:

Electrical Compatibility Parameters:

Base product number: 74HC175
Type: D-Type flip-flop
Number of elements: 1
Number of bits per element: 4
Function: Master Reset
Output type: Complementary
Trigger type: Positive edge
Voltage supply range: 2V to 6V
Package / Case: 16-SOIC (0.154", 3.90mm Width)
Mounting type: Surface mount

Acceptable Variations:

Clock frequency: 35 MHz or higher
Max propagation delay: 30 ns or lower
Current output: 5.2 mA or higher
Quiescent current: 8 µA or lower
Input capacitance: 10 pF or lower
Operating temperature range: Must include -55°C to 125°C or equivalent industrial range
Packaging format: Tube, Tape & Reel, or standard packaging

All substitute parts listed maintain full electrical and mechanical compatibility with the CD74HC175MT while offering active product status and improved availability.

Parameter Comparison

Parameter	CD74HC175MT (Main)	CD74HC175M96	74HC175D,653	MC74HC175ADG	MM74HC175M	MM74HC175MX	MC74HC175ADR2G
Manufacturer	Texas Instruments	Texas Instruments	Nexperia USA Inc.	onsemi	Fairchild Semiconductor	onsemi	onsemi
Product Status	Discontinued	Active	Active	Active	Active	Active	Active
Type	D-Type	D-Type	D-Type	D-Type	D-Type	D-Type	D-Type
Number of Elements	1	1	1	1	1	1	1
Number of Bits per Element	4	4	4	4	4	4	4
Clock Frequency	35 MHz	35 MHz	89 MHz	35 MHz	70 MHz	70 MHz	35 MHz
Max Propagation Delay @ 6V, 50pF	30 ns	30 ns	30 ns	22 ns	26 ns	26 ns	22 ns
Voltage Supply Range	2V to 6V	2V to 6V	2V to 6V	2V to 6V	2V to 6V	2V to 6V	2V to 6V
Current Output High/Low	5.2 mA / 5.2 mA	5.2 mA / 5.2 mA	5.2 mA / 5.2 mA	5.2 mA / 5.2 mA	5.2 mA / 5.2 mA	5.2 mA / 5.2 mA	5.2 mA / 5.2 mA
Current Quiescent (Iq)	8 µA	8 µA	8 µA	4 µA	8 µA	8 µA	4 µA
Input Capacitance	10 pF	10 pF	4.6 pF	10 pF	5 pF	5 pF	10 pF
Operating Temperature Range	-55°C to 125°C	-55°C to 125°C	-40°C to 125°C	-55°C to 125°C	-40°C to 85°C	-40°C to 85°C	-55°C to 125°C
Package / Case	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC	16-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not specified	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Recommendation: CD74HC175M96 This Texas Instruments part maintains identical electrical specifications to the CD74HC175MT while offering active product status and Tape & Reel packaging. It provides direct compatibility with existing designs and maintains the same manufacturer lineage.

Secondary Recommendation: MC74HC175ADG Manufactured by onsemi, this part offers improved propagation delay performance (22 ns versus 30 ns) and reduced quiescent current (4 µA versus 8 µA). It maintains the full operating temperature range (-55°C to 125°C) and is available in Tube packaging with active product status.

Alternative Recommendation: 74HC175D,653 Manufactured by Nexperia USA Inc., this part features superior clock frequency (89 MHz) and reduced input capacitance (4.6 pF). It is available in high inventory quantities with active product status. Operating temperature range is -40°C to 125°C, suitable for most industrial applications.

Extended Temperature Range Options: MM74HC175MX and MC74HC175ADR2G Both parts offer active product status with improved propagation delay characteristics. MM74HC175MX provides 70 MHz clock frequency and 26 ns propagation delay. MC74HC175ADR2G offers identical performance with Tape & Reel packaging and reduced quiescent current.

Compliance Considerations: All recommended substitutes maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity ratings. All parts are classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring regulatory consistency with the original CD74HC175MT.

Frequently Asked Questions (FAQ)

Q: Can I directly replace CD74HC175MT with any of the listed substitutes? A: Yes. All listed substitutes share identical functional specifications, electrical parameters within acceptable ranges, and the same 16-SOIC package footprint. Direct PCB substitution is supported without design modifications.

Q: What is the difference between parametric equivalents and manufacturer-recommended substitutes? A: Parametric equivalents (CD74HC175M96, MC74HC175ADR2G) match all critical electrical specifications of the original part. Manufacturer-recommended substitutes (74HC175D,653, MC74HC175ADG, MM74HC175M, MM74HC175MX) are actively promoted by their manufacturers as compatible alternatives and may offer performance improvements.

Q: Does the operating temperature range affect substitution compatibility? A: The CD74HC175MT operates from -55°C to 125°C. Substitutes with -40°C to 125°C range (74HC175D,653, MM74HC175M, MM74HC175MX) are suitable for most industrial and commercial applications. For extended low-temperature applications below -40°C, select parts with -55°C minimum rating: CD74HC175M96, MC74HC175ADG, or MC74HC175ADR2G.

Q: Are there packaging format differences among the substitutes? A: Yes. CD74HC175M96 and MC74HC175ADR2G are supplied in Tape & Reel format. MC74HC175ADG is supplied in Tube. 74HC175D,653 is supplied in Tape & Reel. MM74HC175M and MM74HC175MX packaging formats vary. Select based on your procurement and assembly requirements.

Q: Which substitute offers the best performance improvement? A: 74HC175D,653 (Nexperia) provides the highest clock frequency at 89 MHz and lowest input capacitance at 4.6 pF. MC74HC175ADG and MC74HC175ADR2G (onsemi) offer the fastest propagation delay at 22 ns and lowest quiescent current at 4 µA.

Q: Are all substitutes RoHS compliant? A: All listed substitutes are ROHS3 compliant except MM74HC175M, for which RoHS status is not specified in available documentation. Verify with your supplier if RoHS compliance is a requirement for your application.

Q: What is the inventory status of these substitutes? A: All substitutes maintain active product status with current inventory availability: CD74HC175M96 (1092 pcs), 74HC175D,653 (9791 pcs), MC74HC175ADG (1719 pcs), MM74HC175M (2000 pcs), MM74HC175MX (7863 pcs), MC74HC175ADR2G (1150 pcs).

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