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74HCU04S14-13 Equivalent & Substitute Parts
Part Overview
The 74HCU04S14-13 is a 6-channel inverter logic IC manufactured by Diodes Incorporated in a 14-SOIC surface mount package. This device operates across a 2V to 6V supply voltage range and is designed for general-purpose digital logic inversion applications. The part is currently active in production with 5,300 units in stock.
Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging or temperature ratings are required, or when sourcing from multiple manufacturers is needed for supply chain resilience.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Logic Type | Inverter |
| Number of Circuits | 6 |
| Number of Inputs | 1 |
| Voltage Supply Range | 2V ~ 6V |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Max Propagation Delay | 12ns @ 6V, 50pF |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the 74HCU04S14-13 is determined by the following critical parameters:
Mandatory Compatibility Criteria:
- Logic Type: Inverter (6-channel, single input)
- Package: 14-SOIC form factor
- Mounting: Surface mount
- Supply Voltage: 2V ~ 6V range (minimum overlap required)
- Propagation Delay: 12ns to 18ns @ 6V, 50pF (acceptable variance for logic applications)
Acceptable Variation Parameters:
- Operating Temperature: -40°C to -55°C minimum; 85°C to 125°C maximum
- Quiescent Current: 1µA to 20µA (within logic IC standards)
- Output Current: 5.2mA to 7.8mA (within specified ranges)
- Input Logic Levels: Minor variations acceptable within CMOS thresholds
Compliance Requirements:
- RoHS3 compliance preferred
- MSL rating of 1 or equivalent
- Active or Last Time Buy product status preferred; Discontinued or Obsolete parts noted for reference only
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Voltage Supply | Quiescent Current (Max) | Output Current (High/Low) | Propagation Delay @ 6V, 50pF | Operating Temperature | Product Status | Packaging |
|---|---|---|---|---|---|---|---|---|
| 74HCU04S14-13 | Diodes Incorporated | 2V ~ 6V | 20µA | 5.2mA / 5.2mA | 12ns | -40°C ~ 125°C | Active | Tape & Reel |
| MC74HCU04ADR2G | onsemi | 2V ~ 6V | 1µA | 5.2mA / 5.2mA | 12ns | -55°C ~ 125°C | Active | Tape & Reel |
| MM74HCU04MX | Fairchild Semiconductor | 2V ~ 6V | 2µA | 5.2mA / 7.8mA | 14ns | -40°C ~ 85°C | Active | Not Specified |
| SN74HCU04DR | Texas Instruments | 2V ~ 6V | 2µA | 5.2mA / 5.2mA | 14ns | -40°C ~ 85°C | Active | Tape & Reel |
| CD74HC04M96 | Texas Instruments | 2V ~ 6V | 2µA | 5.2mA / 5.2mA | 14ns | -55°C ~ 125°C | Active | Cut Tape & Digi-Reel |
| CD74HC04MT | Texas Instruments | 2V ~ 6V | 2µA | 5.2mA / 5.2mA | 14ns | -55°C ~ 125°C | Discontinued at DiGi Electronics | Cut Tape & Digi-Reel |
| CD74HCU04M | Texas Instruments | 2V ~ 6V | 2µA | 5.2mA / 5.2mA | 12ns | -55°C ~ 125°C | Last Time Buy | Tube |
| CD74HCU04M96 | Texas Instruments | 2V ~ 6V | 2µA | 5.2mA / 5.2mA | 12ns | -55°C ~ 125°C | Active | Tape & Reel |
| NLV74HCU04ADR2G | onsemi | 2V ~ 6V | 1µA | 5.2mA / 5.2mA | 18ns | -55°C ~ 125°C | Obsolete | Not Specified |
| SN74HC04D | Texas Instruments | 2V ~ 6V | 2µA | 5.2mA / 5.2mA | 16ns | -40°C ~ 85°C | Discontinued at DiGi Electronics | Tube |
Engineering Selection Recommendations
Primary Substitutes (Active Status, Full Compatibility):
MC74HCU04ADR2G (onsemi) and CD74HCU04M96 (Texas Instruments) are the preferred direct substitutes. Both maintain the 74HCU series designation, operate across the full -55°C to 125°C temperature range, and deliver 12ns propagation delay matching the primary part. MC74HCU04ADR2G offers superior quiescent current performance at 1µA. CD74HCU04M96 is available in Tape & Reel packaging consistent with the primary part's distribution format.
Secondary Substitutes (Active Status, Minor Parameter Variance):
SN74HCU04DR (Texas Instruments) and MM74HCU04MX (Fairchild Semiconductor) are functionally compatible with acceptable propagation delay variance (14ns). SN74HCU04DR maintains Tape & Reel packaging. Both operate within the -40°C to 85°C range, suitable for standard industrial applications. MM74HCU04MX exhibits slightly higher output current on the low side (7.8mA vs. 5.2mA), which remains within acceptable CMOS logic specifications.
Extended Temperature Range Options:
CD74HC04M96 and CD74HCU04M provide -55°C to 125°C operation for applications requiring extended low-temperature performance. CD74HC04M96 is currently active; CD74HCU04M is Last Time Buy status.
Parts to Avoid for New Designs:
CD74HC04MT, NLV74HCU04ADR2G, and SN74HC04D are discontinued or obsolete and should not be selected for new production designs. These are listed for reference only when servicing existing equipment.
Frequently Asked Questions (FAQ)
Q: Can I substitute the 74HCU04S14-13 with a 74HC04 variant?
A: Limited substitution is possible. The 74HC series (CD74HC04M96, SN74HC04D) shares the same 6-channel inverter function and 14-SOIC package. However, input logic level thresholds differ slightly (74HC: 0.5V–1.8V low, 1.5V–4.2V high vs. 74HCU: 0.3V–1.1V low, 1.7V–4.8V high). Verify input signal levels in your application before substituting.
Q: What is the difference between 74HCU and 74HC series?
A: The 74HCU series uses unbuffered CMOS logic with lower quiescent current (1–20µA) and tighter input thresholds optimized for low-voltage operation. The 74HC series uses buffered CMOS with slightly different input thresholds. Both operate at 2V–6V supply voltage and are pin-compatible in 14-SOIC packages.
Q: Does packaging format affect substitution?
A: Packaging format (Tape & Reel, Tube, Cut Tape) does not affect electrical performance or pin compatibility. Selection depends on your assembly process and inventory management requirements. All listed parts use the same 14-SOIC (0.154", 3.90mm) physical form factor.
Q: Are there temperature-rated variants available?
A: Yes. The primary part operates -40°C to 125°C. Extended low-temperature variants (MC74HCU04ADR2G, CD74HCU04M96, CD74HCU04M) operate -55°C to 125°C. Restricted-range variants (MM74HCU04MX, SN74HCU04DR, SN74HC04D) operate -40°C to 85°C. Select based on your application's thermal requirements.
Q: Is RoHS3 compliance maintained across all substitutes?
A: All active and Last Time Buy parts listed maintain RoHS3 compliance. Discontinued parts (CD74HC04MT, SN74HC04D) and obsolete parts (NLV74HCU04ADR2G) retain RoHS3 status but should not be used in new designs.
Q: What is the propagation delay impact of selecting a substitute?
A: The primary part specifies 12ns propagation delay. Substitutes range from 12ns to 18ns at 6V with 50pF load. For timing-critical applications operating near maximum frequency, verify that the substitute's propagation delay meets your system timing budget. A 2ns to 6ns increase may impact high-frequency logic chains.
Q: Can I use NLV74HCU04ADR2G as a substitute?
A: NLV74HCU04ADR2G is automotive-grade (AEC-Q100 qualified) and obsolete. It is listed for reference only when servicing existing automotive equipment. Do not select for new production designs. Use MC74HCU04ADR2G or CD74HCU04M96 instead.
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