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74LVC623APW,118 Equivalent & Substitute Parts
Part Overview
The 74LVC623APW,118 is a non-inverting transceiver logic IC manufactured by NXP USA Inc., designed for 8-bit bidirectional data transfer with 3-state output capability. Operating across a supply voltage range of 1.2V to 3.6V, this component is housed in a 20-TSSOP surface mount package. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74LVC623APW,118 |
| Manufacturer | NXP USA Inc. |
| Series | 74LVC |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 1.2V ~ 3.6V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution for the 74LVC623APW,118 is determined by strict equivalence across the following critical parameters:
- Logic Type: Transceiver, Non-Inverting
- Number of Elements: 1
- Number of Bits per Element: 8
- Output Type: 3-State
- Current - Output High, Low: 24mA, 24mA
- Voltage - Supply: 1.2V ~ 3.6V (or compatible subset)
- Operating Temperature: -40°C ~ 125°C (TA)
- Package / Case: 20-TSSOP (0.173", 4.40mm Width)
- Mounting Type: Surface Mount
Substitute parts are grouped into two categories: parametric equivalents from active product lines and direct manufacturer alternatives. All listed substitutes maintain identical electrical specifications and package dimensions, ensuring direct functional replacement without circuit redesign.
Parameter Comparison
| Parameter | 74LVC623APW,118 (Main) | 74LVC245APW/AUJ | 74LVCH245APW/AUJ | SN74LVC245APWR | 74LVC245APW,118 | 74LVC245APW-Q100J | 74LVCH245APW,118 | 74LVCH245APW-Q100J |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | NXP USA Inc. | Texas Instruments | NXP Semiconductors | Nexperia USA Inc. | NXP Semiconductors | Nexperia USA Inc. |
| Series | 74LVC | 74LVC | 74LVCH | 74LVC | 74LVC | 74LVC | 74LVCH | 74LVCH |
| Logic Type | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting | Transceiver, Non-Inverting |
| Number of Elements | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of Bits per Element | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Output Type | 3-State | 3-State | 3-State | 3-State | 3-State | 3-State | 3-State | 3-State |
| Current - Output High, Low | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA |
| Voltage - Supply | 1.2V ~ 3.6V | 1.2V ~ 3.6V | 1.2V ~ 3.6V | 1.65V ~ 3.6V | 1.2V ~ 3.6V | 1.2V ~ 3.6V | 1.2V ~ 3.6V | 1.2V ~ 3.6V |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -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) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | Not specified | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
All listed substitute parts are active products with full manufacturer support, addressing the obsolescence status of the 74LVC623APW,118. Selection among substitutes should be based on the following criteria:
NXP Semiconductors / NXP USA Inc. Parts (74LVC245APW/AUJ, 74LVC245APW,118, 74LVCH245APW/AUJ, 74LVCH245APW,118): These parts maintain the original design lineage and are available in high inventory quantities. They are suitable for applications requiring standard commercial-grade components with ROHS3 compliance.
Nexperia USA Inc. Parts (74LVC245APW-Q100J, 74LVCH245APW-Q100J): These variants include AEC-Q100 automotive qualification and are packaged in Tape & Reel format. Selection of these parts is appropriate for automotive applications or when automotive-grade reliability is required.
Texas Instruments SN74LVC245APWR: This part offers an alternative from a major logic IC manufacturer with the highest available inventory (45,300 pcs). The supply voltage range is 1.65V ~ 3.6V, which is a subset of the original specification. This part is suitable for applications where the minimum supply voltage requirement is 1.65V or higher.
All substitute parts maintain identical electrical performance, package dimensions, and thermal operating range, ensuring direct functional replacement without circuit modification.
Frequently Asked Questions (FAQ)
Q: Can I use SN74LVC245APWR as a direct replacement for 74LVC623APW,118?
A: Yes. The SN74LVC245APWR is electrically and mechanically compatible. However, note that its minimum supply voltage is 1.65V, compared to 1.2V for the original part. If your circuit operates below 1.65V, use an alternative substitute with 1.2V minimum rating.
Q: What is the difference between 74LVC245 and 74LVCH245 series parts?
A: Both series maintain identical electrical specifications for the parameters listed. The 74LVCH designation indicates an enhanced variant within the NXP product portfolio. Both are suitable substitutes based on the provided specifications.
Q: Are the automotive-qualified parts (74LVC245APW-Q100J, 74LVCH245APW-Q100J) necessary for non-automotive applications?
A: No. Automotive qualification (AEC-Q100) is not required for standard commercial applications. Standard commercial-grade parts such as 74LVC245APW,118 or 74LVC245APW/AUJ are appropriate for non-automotive use.
Q: Does packaging format affect electrical performance?
A: No. Packaging formats (Bulk, Tape & Reel, Cut Tape) do not affect electrical performance. Selection should be based on procurement and assembly requirements.
Q: Are all substitute parts ROHS3 compliant?
A: All listed substitutes are ROHS3 compliant except 74LVCH245APW,118, for which RoHS status is not specified in the provided data.
Q: What is the Moisture Sensitivity Level (MSL) significance?
A: All parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard handling and storage procedures apply.
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