74HCT193D,653 Binary Counter IC Equivalent & Substitute Parts

Part Overview

The 74HCT193D,653 is a 4-bit binary counter IC manufactured by Nexperia USA Inc., designed for synchronous counting applications with both up and down counting capability. This logic component operates at a count rate of 43 MHz and is housed in a 16-SOIC surface mount package. The part is currently in active production status with 2,646 units available in new original inventory. Finding equivalent and substitute parts is necessary to ensure supply chain flexibility, accommodate different packaging requirements, and support automotive-grade applications where AEC-Q100 qualification is required.

Key Parameters

Parameter	Value
Manufacturer Part Number	74HCT193D,653
Manufacturer	Nexperia USA Inc.
Logic Type	Binary Counter
Number of Bits per Element	4
Direction	Up, Down
Count Rate	43 MHz
Trigger Type	Positive Edge
Voltage - Supply	4.5 V ~ 5.5 V
Operating Temperature	-40°C ~ 125°C
Package / Case	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution of the 74HCT193D,653 is determined by strict equivalence across the following critical parameters:

Logic Function: Binary counter with 4-bit capacity, up/down counting direction, positive edge trigger
Electrical Performance: 43 MHz count rate, 4.5 V to 5.5 V supply voltage, -40°C to 125°C operating temperature range
Package Compatibility: 16-SOIC surface mount package with identical physical dimensions (0.154", 3.90mm width)
Compliance & Certification: ROHS3 compliance, REACH unaffected status, EAR99 ECCN classification

The substitute part 74HCT193D-Q100J meets all functional and electrical parameters while differing only in packaging format (Tape & Reel versus Cut Tape) and automotive qualification level (AEC-Q100).

Parameter Comparison

Parameter	74HCT193D,653	74HCT193D-Q100J
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.
Base Product Number	74HCT193	74HCT193
Logic Type	Binary Counter	Binary Counter
Number of Bits per Element	4	4
Direction	Up, Down	Up, Down
Number of Elements	1	1
Reset	Asynchronous	Asynchronous
Timing	Synchronous	Synchronous
Count Rate	43 MHz	43 MHz
Trigger Type	Positive Edge	Positive Edge
Voltage - Supply	4.5 V ~ 5.5 V	4.5 V ~ 5.5 V
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	16-SOIC (0.154", 3.90mm Width)	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount
Packaging Format	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)
Grade	Standard	Automotive
Qualification	None specified	AEC-Q100
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS	8542.39.0001	8542.39.0001
Product Status	Active	Active
Inventory (New Original)	2,646 Pcs	1,184 Pcs

Engineering Selection Recommendations

74HCT193D,653 is the standard industrial-grade variant, suitable for general-purpose logic applications requiring 4-bit binary counting functionality. This part is available in Cut Tape and Digi-Reel packaging formats and maintains active production status with robust inventory levels.

74HCT193D-Q100J is the automotive-qualified equivalent, carrying AEC-Q100 certification and supplied in Tape & Reel packaging. This variant is appropriate for automotive and mission-critical applications where automotive-grade component qualification is mandated by design specifications or supply chain requirements. Both parts are ROHS3 compliant and REACH unaffected, ensuring regulatory compliance across industrial and automotive markets.

Selection between these parts depends on application requirements: choose the standard 74HCT193D,653 for non-automotive applications with flexible packaging needs, or select the 74HCT193D-Q100J when automotive qualification and Tape & Reel packaging are specified.

Frequently Asked Questions (FAQ)

Q: Are the 74HCT193D,653 and 74HCT193D-Q100J functionally identical?

A: Yes. Both parts share identical logic function, electrical performance, and package specifications. The differences are packaging format (Cut Tape versus Tape & Reel) and automotive qualification level (AEC-Q100 for the -Q100J variant).

Q: Can I substitute 74HCT193D-Q100J for 74HCT193D,653 in a standard industrial application?

A: Yes. The 74HCT193D-Q100J meets all functional and electrical requirements of the 74HCT193D,653. The automotive qualification adds no restrictions to industrial use. Verify that Tape & Reel packaging is compatible with your assembly process.

Q: What is the significance of the AEC-Q100 qualification on the 74HCT193D-Q100J?

A: AEC-Q100 certification indicates the part has undergone automotive-grade reliability testing and qualification. This qualification is required for automotive applications but does not restrict use in non-automotive environments.

Q: Does packaging format affect electrical performance?

A: No. Cut Tape and Tape & Reel packaging formats contain identical die and electrical characteristics. Packaging selection is determined by assembly equipment compatibility and supply chain logistics.

Q: Are both parts ROHS3 compliant?

A: Yes. Both the 74HCT193D,653 and 74HCT193D-Q100J are ROHS3 compliant with MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions.

Q: What is the operating temperature range for both parts?

A: Both parts operate across -40°C to 125°C, supporting industrial and automotive temperature environments.

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