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74LVC374ADB,112 Equivalent & Substitute Parts
Part Overview
The 74LVC374ADB,112 is a D-type flip-flop logic integrated circuit manufactured by Nexperia USA Inc., featuring 1 element with 8-bit parallel data storage capability. This device operates as a positive edge-triggered flip-flop with tri-state, non-inverted outputs in a 20-SSOP surface mount package. The part is currently listed as obsolete, making equivalent substitute parts necessary for ongoing production and design requirements. Substitute parts maintain functional equivalence while offering active product status and improved availability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74LVC374ADB,112 |
| Manufacturer | Nexperia USA Inc. |
| Series | 74LVC |
| Function | 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 | 150 MHz |
| Max Propagation Delay @ 3.3V, 50pF | 7 ns |
| Voltage Supply Range | 1.65V ~ 3.6V |
| Current Output High/Low | 24 mA / 24 mA |
| Quiescent Current (Iq) | 10 µA |
| Input Capacitance | 4 pF |
| Operating Temperature Range | -40°C ~ 125°C |
| Package Type | 20-SSOP (0.209", 5.30mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the 74LVC374ADB,112 are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:
Critical Matching Parameters:
- D-type flip-flop function with 1 element, 8-bit configuration
- Tri-state, non-inverted output type
- Positive edge trigger mechanism
- 20-pin surface mount package (SSOP or TSSOP variants)
- Supply voltage range compatibility (minimum 1.65V)
- Operating temperature range (minimum -40°C to 125°C)
- ROHS3 compliance and MSL 1 rating
Acceptable Variations:
- Clock frequency: 100 MHz or higher (original: 150 MHz)
- Propagation delay: 7 ns to 8.5 ns @ 3.3V, 50pF
- Package width tolerance: 20-SSOP (5.30mm) or 20-TSSOP (4.40mm)
- Packaging format: Tape & Reel, Cut Tape, or Tube
- Manufacturer: Nexperia USA Inc. or Texas Instruments
Substitutes are organized by package type and product status to facilitate selection based on design constraints and supply chain requirements.
Parameter Comparison
| Part Number | Manufacturer | Package Type | Clock Freq (MHz) | Prop Delay @ 3.3V (ns) | Voltage Supply (V) | Temp Range (°C) | Product Status |
|---|---|---|---|---|---|---|---|
| 74LVC374ADB,112 | Nexperia USA Inc. | 20-SSOP | 150 | 7 | 1.65 ~ 3.6 | -40 ~ 125 | Obsolete |
| 74LVC374APW,118 | Nexperia USA Inc. | 20-TSSOP | 150 | 7 | 1.65 ~ 3.6 | -40 ~ 125 | Active |
| CLVC374AQPWRG4Q1 | Texas Instruments | 20-TSSOP | 100 | 8.5 | 2.0 ~ 3.6 | -40 ~ 125 | Active |
| SN74LVC374ADBR | Texas Instruments | 20-SSOP | 100 | 7 | 1.65 ~ 3.6 | -40 ~ 85 | Active |
| SN74LVC374ADGVR | Texas Instruments | 20-TFSOP | 100 | 7 | 1.65 ~ 3.6 | -40 ~ 85 | Active |
| SN74LVC374APW | Texas Instruments | 20-TSSOP | 100 | 7 | 1.65 ~ 3.6 | -40 ~ 85 | Active |
| SN74LVC374APWRG4 | Texas Instruments | 20-TSSOP | 100 | 7 | 1.65 ~ 3.6 | -40 ~ 85 | Discontinued at DiGi Electronics |
| SN74LVC374APWT | Texas Instruments | 20-TSSOP | 100 | 7 | 1.65 ~ 3.6 | -40 ~ 85 | Active |
| SN74LVC374AQPWREP | Texas Instruments | 20-TSSOP | 100 | 8.5 | 2.0 ~ 3.6 | -40 ~ 125 | Active |
Engineering Selection Recommendations
Primary Substitute (Same Package, Active Status): SN74LVC374ADBR is the direct equivalent in 20-SSOP packaging with active product status. This part maintains the original package footprint, identical propagation delay specification, and full voltage supply range compatibility. Operating temperature range is reduced to -40°C ~ 85°C, which is acceptable for most commercial and industrial applications.
Alternative Substitute (Compact Package, Extended Temperature): 74LVC374APW,118 from Nexperia USA Inc. provides the same electrical performance as the original part with extended temperature range (-40°C ~ 125°C) and active product status. The 20-TSSOP package offers a smaller footprint (4.40mm width versus 5.30mm) while maintaining full functional compatibility. This option is suitable for space-constrained designs.
Automotive-Grade Substitute: CLVC374AQPWRG4Q1 from Texas Instruments is qualified to AEC-Q100 automotive standards with extended temperature range (-40°C ~ 125°C). Clock frequency is reduced to 100 MHz and propagation delay increases to 8.5 ns, with minimum supply voltage raised to 2.0V. This part is appropriate for automotive and harsh environment applications.
Secondary Substitutes (Active Status, Standard Temperature): SN74LVC374APW, SN74LVC374APWT, and SN74LVC374ADGVR are all active Texas Instruments products with 100 MHz clock frequency and 7 ns propagation delay. These parts operate within -40°C ~ 85°C temperature range and are suitable for standard commercial applications. Package options include 20-TSSOP and 20-TFSOP variants.
All recommended substitutes maintain ROHS3 compliance, MSL 1 rating, and tri-state non-inverted output configuration required for functional equivalence.
Frequently Asked Questions (FAQ)
Q: Can I use SN74LVC374ADBR as a direct replacement for 74LVC374ADB,112? A: Yes. SN74LVC374ADBR is functionally equivalent with identical 20-SSOP package footprint, 7 ns propagation delay, and full voltage supply range (1.65V ~ 3.6V). The operating temperature range is -40°C ~ 85°C versus the original -40°C ~ 125°C. Verify your application does not require operation above 85°C.
Q: What is the difference between 20-SSOP and 20-TSSOP packages? A: Both are 20-pin surface mount packages with identical pin configuration and electrical compatibility. The primary difference is package width: 20-SSOP is 5.30mm wide, while 20-TSSOP is 4.40mm wide. TSSOP offers a more compact footprint. PCB layout and component placement must accommodate the selected package width.
Q: Is 74LVC374APW,118 compatible with designs requiring 150 MHz operation? A: Yes. 74LVC374APW,118 is rated for 150 MHz clock frequency, matching the original part specification. This Nexperia part also maintains the extended temperature range (-40°C ~ 125°C) and is currently in active production status.
Q: Can I substitute a part with 100 MHz clock frequency for a 150 MHz design? A: No. Parts rated for 100 MHz (such as SN74LVC374APW or SN74LVC374APWT) are not suitable for designs requiring 150 MHz operation. Use only 74LVC374APW,118 or the original 74LVC374ADB,112 for 150 MHz applications.
Q: What does AEC-Q100 qualification mean for CLVC374AQPWRG4Q1? A: AEC-Q100 is an automotive industry standard qualification for integrated circuits. CLVC374AQPWRG4Q1 meets automotive reliability and environmental stress testing requirements. This part is suitable for automotive applications but has a minimum supply voltage of 2.0V versus 1.65V for standard parts.
Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original part specifications.
Q: Which substitute has the best availability? A: 74LVC374APW,118 (Nexperia) and SN74LVC374APWT (Texas Instruments) show the highest inventory levels at 7,718 and 1,630 units respectively. Both are active products with standard lead times.
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