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74LVC574APW/AUJ Equivalent & Substitute Parts
Part Overview
The 74LVC574APW/AUJ is a D-Type flip-flop logic integrated circuit manufactured by NXP USA Inc. This device functions as a single 8-bit positive edge-triggered flip-flop with tri-state, non-inverted outputs. The component is classified as an active product and is widely used in digital logic applications requiring edge-triggered data storage and output control. Substitute parts are identified when equivalent electrical characteristics, functional specifications, and package compatibility align with the original component's design parameters.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Manufacturer Part Number | 74LVC574APW/AUJ |
| Manufacturer | NXP USA Inc. |
| Base Product Number | 74LVC574 |
| Category | Logic |
| Type | D-Type Flip-Flop |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Output Type | Tri-State, Non-Inverted |
| Trigger Type | Positive Edge |
| Clock Frequency | 200 MHz |
| Max Propagation Delay | 7 ns @ 3.3V, 50 pF |
| Voltage Supply Range | 1.65V ~ 3.6V |
| Current - Output High/Low | 24 mA / 24 mA |
| Current - Quiescent (Iq) | 10 µA |
| Input Capacitance | 5 pF |
| Operating Temperature Range | -40°C ~ 125°C (TA) |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Active |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the 74LVC574APW/AUJ are identified based on strict equivalence across the following critical parameters:
- Base product number: 74LVC574
- Functional type: D-Type flip-flop, single element, 8-bit configuration
- Output characteristics: Tri-state, non-inverted outputs
- Trigger mechanism: Positive edge-triggered
- Electrical performance: Clock frequency of 200 MHz, propagation delay of 7 ns @ 3.3V/50 pF
- Supply voltage range: 1.65V ~ 3.6V
- Output current capability: 24 mA (high and low)
- Package format: 20-TSSOP surface mount
- Operating temperature: -40°C ~ 125°C
- Compliance: ROHS3 compliant, MSL Level 1
The substitute part 74LVC574APW,118 meets all these criteria and is therefore classified as a parametric equivalent.
Parameter Comparison
| Parameter | 74LVC574APW/AUJ (Main Part) | 74LVC574APW,118 (Substitute) |
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP Semiconductors |
| Base Product Number | 74LVC574 | 74LVC574 |
| Type | D-Type Flip-Flop | D-Type Flip-Flop |
| Number of Elements | 1 | 1 |
| Number of Bits per Element | 8 | 8 |
| Output Type | Tri-State, Non-Inverted | Tri-State, Non-Inverted |
| Trigger Type | Positive Edge | Positive Edge |
| Clock Frequency | 200 MHz | 200 MHz |
| Max Propagation Delay | 7 ns @ 3.3V, 50 pF | 7 ns @ 3.3V, 50 pF |
| Voltage - Supply | 1.65V ~ 3.6V | 1.65V ~ 3.6V |
| Current - Output High, Low | 24 mA, 24 mA | 24 mA, 24 mA |
| Current - Quiescent (Iq) | 10 µA | 10 µA |
| Input Capacitance | 5 pF | 5 pF |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Active | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Both the 74LVC574APW/AUJ and 74LVC574APW,118 are active products manufactured by NXP entities and maintain full ROHS3 compliance. The substitute part carries identical electrical specifications, functional characteristics, and package geometry. Selection between these parts may be based on availability, packaging format (the main part is specified as tape/reel, while the substitute is available in bulk), or supply chain considerations. Both components are suitable for direct substitution in applications requiring 8-bit D-type flip-flop functionality with tri-state outputs in the 20-TSSOP package format.
Frequently Asked Questions (FAQ)
Q: Can 74LVC574APW,118 be used as a direct replacement for 74LVC574APW/AUJ?
A: Yes. Both parts share identical electrical specifications, functional characteristics, package format, and operating parameters. The difference lies in packaging format and manufacturer designation, not in component performance or pinout.
Q: What are the key parameters that define substitution eligibility for the 74LVC574 series?
A: Substitution eligibility is determined by: base product number (74LVC574), D-type flip-flop configuration with 8-bit single element, tri-state non-inverted outputs, positive edge trigger, 200 MHz clock frequency, 7 ns propagation delay at 3.3V/50 pF, 1.65V–3.6V supply range, 24 mA output current, and 20-TSSOP surface mount package.
Q: Are there any compliance or certification differences between these parts?
A: Both parts are ROHS3 compliant with MSL Level 1 rating. No compliance or certification differences exist between the main part and substitute.
Q: Does the packaging format difference affect circuit performance?
A: No. The packaging format difference (tape/reel versus bulk) does not affect electrical performance, functionality, or pinout. The physical package remains 20-TSSOP with identical dimensions and lead configuration.
Q: What is the operating temperature range for both parts?
A: Both the 74LVC574APW/AUJ and 74LVC574APW,118 operate across -40°C to 125°C ambient temperature range.
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