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SN74ALS05ADRE4 Equivalent & Substitute Parts
Part Overview
The SN74ALS05ADRE4 is a 6-channel inverter logic IC with open collector output configuration, manufactured by Texas Instruments in 14-SOIC surface mount packaging. This component is discontinued at DiGi Electronics, necessitating identification of equivalent substitute parts for ongoing design requirements and procurement needs. The part operates within the 4.5V to 5.5V supply voltage range and is suitable for applications requiring logic inversion with open collector output characteristics.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SN74ALS05ADRE4 |
| Manufacturer | Texas Instruments |
| Logic Type | Inverter |
| Number of Circuits | 6 |
| Number of Inputs | 1 |
| Features | Open Collector |
| Voltage - Supply | 4.5V ~ 5.5V |
| Current - Output High, Low | -, 8mA |
| Input Logic Level - Low | 0.8V |
| Input Logic Level - High | 2V |
| Max Propagation Delay @ V, Max CL | 54ns @ 5V, 50pF |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the SN74ALS05ADRE4 is determined by strict equivalence across the following critical parameters:
- Logic type and circuit configuration (6-channel inverter with open collector output)
- Electrical specifications (4.5V ~ 5.5V supply voltage, 8mA output current, input logic levels, propagation delay)
- Package type and physical dimensions (14-SOIC surface mount)
- Compliance certifications (ROHS3, REACH Unaffected, EAR99)
The SN74ALS05ADR meets all these criteria as a parametric equivalent. The primary distinction is product status: the SN74ALS05ADRE4 is discontinued, while the SN74ALS05ADR remains active in inventory.
Parameter Comparison
| Parameter | SN74ALS05ADRE4 | SN74ALS05ADR |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Logic Type | Inverter | Inverter |
| Number of Circuits | 6 | 6 |
| Number of Inputs | 1 | 1 |
| Features | Open Collector | Open Collector |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Current - Output High, Low | -, 8mA | -, 8mA |
| Input Logic Level - Low | 0.8V | 0.8V |
| Input Logic Level - High | 2V | 2V |
| Max Propagation Delay @ V, Max CL | 54ns @ 5V, 50pF | 54ns @ 5V, 50pF |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Discontinued at DiGi Electronics | Active |
Engineering Selection Recommendations
The SN74ALS05ADR is the direct substitute for the SN74ALS05ADRE4. Both parts are manufactured by Texas Instruments and share identical electrical and mechanical specifications. The SN74ALS05ADR maintains active product status with 2280 units in stock, compared to the discontinued SN74ALS05ADRE4. Both parts carry ROHS3 compliance and REACH Unaffected status, ensuring regulatory alignment for new designs and production runs. Selection of the SN74ALS05ADR eliminates obsolescence risk while maintaining full functional and electrical compatibility.
Frequently Asked Questions (FAQ)
Q: Can the SN74ALS05ADR directly replace the SN74ALS05ADRE4 in existing designs?
A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including logic function, supply voltage, output current, propagation delay, and 14-SOIC package dimensions. No circuit modifications are required.
Q: What is the difference between SN74ALS05ADRE4 and SN74ALS05ADR?
A: The primary difference is product status and packaging format. The SN74ALS05ADRE4 is discontinued, while the SN74ALS05ADR is active. The SN74ALS05ADR is available in Cut Tape (CT) and Digi-Reel® packaging formats. All electrical and functional specifications are identical.
Q: Are there any compliance or certification differences?
A: No. Both parts carry identical compliance certifications: ROHS3 Compliant, REACH Unaffected, EAR99 classification, and MSL Level 1 (Unlimited moisture sensitivity).
Q: What is the operating temperature range for these parts?
A: Both the SN74ALS05ADRE4 and SN74ALS05ADR operate across 0°C to 70°C. Verify application requirements fall within this range before selection.
Q: Are the 14-SOIC packages physically identical?
A: Yes. Both parts use the same 14-SOIC package with 0.154" width and 3.90mm dimensions, ensuring identical PCB footprint and assembly compatibility.
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