SN74LVC1G80DCK3 Equivalent & Substitute Parts

Part Overview

The SN74LVC1G80DCK3 is a single-element D-type flip-flop logic integrated circuit manufactured by Texas Instruments, part of the 74LVC series. This component operates as a positive edge-triggered flip-flop with inverted outputs, designed for low-voltage digital applications. The device is currently in active production status with 1017 pieces available in new original stock. The SN74LVC1G80DCK3 is packaged in a 5-TSSOP (SC-70-5, SOT-353) surface mount configuration, suitable for space-constrained applications requiring compact logic functionality.

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when automotive-grade qualification is mandated for specific applications.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Base Product Number	74LVC1G80
Type	D-Type Flip-Flop
Number of Elements	1
Number of Bits per Element	1
Output Type	Inverted
Trigger Type	Positive Edge
Clock Frequency	160 MHz
Voltage Supply Range	1.65V ~ 5.5V
Operating Temperature	-40°C ~ 125°C (TA)
Package / Case	5-TSSOP, SC-70-5, SOT-353
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SN74LVC1G80DCK3 is determined by strict adherence to the following electrical and mechanical parameters:

Core Substitution Criteria:

Base product number: 74LVC1G80
Type: D-Type flip-flop with inverted outputs
Trigger mechanism: Positive edge-triggered
Package format: 5-TSSOP, SC-70-5, SOT-353
Voltage supply range: 1.65V ~ 5.5V
Operating temperature range: -40°C ~ 125°C
Clock frequency: 160 MHz
Output current capability: 32mA (high and low)
Quiescent current: 10 µA
Input capacitance: 3.5 pF

Packaging Variants: Substitute parts differ primarily in packaging format (Cut Tape, Digi-Reel, or Tape & Reel) and qualification grade (commercial or automotive AEC-Q100). These variations do not affect electrical performance or functional compatibility.

Automotive Grade Variants: Parts designated with "Q" suffix (SN74LVC1G80QDCKRQ1, SN74LVC1G80QDCKTQ1) include AEC-Q100 automotive qualification and feature MSL 2 (1 Year) moisture sensitivity, distinguishing them for automotive applications.

Parameter Comparison

Parameter	SN74LVC1G80DCK3	SN74LVC1G80DCKR	SN74LVC1G80DCKT	SN74LVC1G80QDCKRQ1	SN74LVC1G80QDCKTQ1
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Type	D-Type Flip-Flop	D-Type Flip-Flop	D-Type Flip-Flop	D-Type Flip-Flop	D-Type Flip-Flop
Output Type	Inverted	Inverted	Inverted	Inverted	Inverted
Number of Elements	1	1	1	1	1
Number of Bits per Element	1	1	1	1	1
Clock Frequency	160 MHz	160 MHz	160 MHz	160 MHz	160 MHz
Trigger Type	Positive Edge	Positive Edge	Positive Edge	Positive Edge	Positive Edge
Voltage Supply Range	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V
Current - Output High, Low	32mA, 32mA	32mA, 32mA	32mA, 32mA	32mA, 32mA	32mA, 32mA
Current - Quiescent (Iq)	10 µA	10 µA	10 µA	10 µA	10 µA
Input Capacitance	3.5 pF	3.5 pF	3.5 pF	3.5 pF	3.5 pF
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	5-TSSOP, SC-70-5, SOT-353	5-TSSOP, SC-70-5, SOT-353	5-TSSOP, SC-70-5, SOT-353	5-TSSOP, SC-70-5, SOT-353	5-TSSOP, SC-70-5, SOT-353
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Format	Tube	Cut Tape & Digi-Reel	Tape & Reel	Tape & Reel	Tape & Reel
Grade	Commercial	Commercial	Commercial	Automotive	Automotive
Qualification	Standard	Standard	Standard	AEC-Q100	AEC-Q100
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	2 (1 Year)	2 (1 Year)
Current Stock	1017 Pcs	58880 Pcs	2845 Pcs	6200 Pcs	1874 Pcs

Engineering Selection Recommendations

Commercial Applications (Non-Automotive): For standard commercial applications, SN74LVC1G80DCKR and SN74LVC1G80DCKT are direct electrical equivalents to the SN74LVC1G80DCK3. Selection between these variants depends on manufacturing process requirements: SN74LVC1G80DCKR is supplied in Cut Tape and Digi-Reel formats suitable for automated pick-and-place assembly, while SN74LVC1G80DCKT is supplied in Tape & Reel format. Both maintain identical electrical specifications and ROHS3 compliance with MSL 1 (Unlimited) moisture sensitivity rating.

Automotive Applications: For automotive-grade applications requiring AEC-Q100 qualification, SN74LVC1G80QDCKRQ1 and SN74LVC1G80QDCKTQ1 are the appropriate selections. These parts carry automotive qualification and feature MSL 2 (1 Year) moisture sensitivity. Both maintain electrical equivalence to the commercial variants while meeting automotive industry standards.

Propagation Delay Consideration: SN74LVC1G80DCKR and SN74LVC1G80DCKT specify maximum propagation delay of 4.5ns at 5V with 50pF load, compared to 5.5ns for SN74LVC1G80DCK3, SN74LVC1G80QDCKRQ1, and SN74LVC1G80QDCKTQ1. This represents improved timing performance and does not restrict substitution compatibility.

Stock Availability: SN74LVC1G80DCKR maintains the highest inventory level (58880 pieces), providing optimal supply chain continuity for high-volume production requirements.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC1G80DCKR be used as a direct replacement for SN74LVC1G80DCK3?

A: Yes. SN74LVC1G80DCKR is a parametric equivalent with identical electrical specifications, operating voltage range (1.65V ~ 5.5V), clock frequency (160 MHz), output current capability (32mA), and temperature range (-40°C ~ 125°C). The difference is packaging format: SN74LVC1G80DCKR is supplied in Cut Tape and Digi-Reel, while SN74LVC1G80DCK3 is supplied in tube packaging. Both are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between commercial and automotive-grade variants?

A: Automotive-grade variants (SN74LVC1G80QDCKRQ1, SN74LVC1G80QDCKTQ1) carry AEC-Q100 qualification and feature MSL 2 (1 Year) moisture sensitivity, compared to MSL 1 (Unlimited) for commercial variants. Electrical performance is identical. Automotive variants are specified for applications requiring automotive industry compliance.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All substitute parts use the identical 5-TSSOP, SC-70-5, SOT-353 package format with surface mount configuration. PCB footprint and land pattern compatibility is guaranteed across all listed variants.

Q: What does the propagation delay difference mean for system design?

A: SN74LVC1G80DCKR and SN74LVC1G80DCKT specify 4.5ns maximum propagation delay at 5V with 50pF load, compared to 5.5ns for other variants. This represents improved timing performance. For applications with tight timing constraints, the faster variants provide additional timing margin. For applications with relaxed timing requirements, all variants are functionally equivalent.

Q: Can automotive-grade parts be used in commercial applications?

A: Yes. Automotive-grade parts (SN74LVC1G80QDCKRQ1, SN74LVC1G80QDCKTQ1) meet or exceed commercial specifications and can be used in commercial applications. However, automotive qualification adds cost and is unnecessary for non-automotive use cases.

Q: What packaging format should be selected for high-volume manufacturing?

A: For automated assembly processes, SN74LVC1G80DCKR (Cut Tape and Digi-Reel) or SN74LVC1G80DCKT (Tape & Reel) are recommended. Both formats are optimized for pick-and-place equipment. SN74LVC1G80DCKR offers higher stock availability (58880 pieces) for high-volume requirements.

Q: Are all parts ROHS3 compliant?

A: Yes. All listed substitute parts (SN74LVC1G80DCKR, SN74LVC1G80DCKT, SN74LVC1G80QDCKRQ1, SN74LVC1G80QDCKTQ1) are ROHS3 compliant, matching the compliance status of SN74LVC1G80DCK3.

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