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74ALVC245MTCX Equivalent & Substitute Parts
Part Overview
The 74ALVC245MTCX is a non-inverting transceiver logic IC manufactured by onsemi, designed for 8-bit bidirectional data transfer with 3-state output capability. Operating across a supply voltage range of 1.65V to 3.6V, this component is classified as obsolete. Due to its obsolete status and limited availability, identifying functionally equivalent substitute parts from active manufacturers is essential for design continuity and procurement reliability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74ALVC245MTCX |
| Manufacturer | onsemi |
| Series | 74ALVC |
| 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 | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for the 74ALVC245MTCX are classified based on the following substitution criteria:
Direct Substitutes (Identical Electrical and Mechanical Parameters):
- Manufacturer Part Number
- Series designation
- 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: 1.65V ~ 3.6V
- Operating Temperature: -40°C ~ 85°C (TA)
- Mounting Type: Surface Mount
- Package / Case: 20-TSSOP (0.173", 4.40mm Width)
- Moisture Sensitivity Level (MSL): 1 (Unlimited)
Similar Substitutes (Package Variant):
- Identical electrical parameters with alternative package designation (20-TVSOP vs. 20-TSSOP)
- Functionally equivalent with different physical footprint
Parametric Equivalents (Different Series, Identical Electrical Performance):
- Alternative manufacturer series with matching electrical specifications
- Different base product number but equivalent functional performance
Parameter Comparison
| Parameter | 74ALVC245MTCX (onsemi) | SN74ALVC245PW (TI) | SN74ALVC245DGVR (TI) | SN74ALVCH245DGVR (TI) | SN74ALVCH245PW (TI) | 74ALVC245PW,118 (Nexperia) | 74LCX245FT (Toshiba) | SN74ALVC245PWR (TI) | SN74ALVCH245PWR (TI) | SN74LVC245AIPWREP (TI) |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | Transceiver, Non-Inverting | Transceiver, Non-Inverting |
| Number of Elements | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of Bits per Element | 8 | 8 | 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 | 3-State | 3-State |
| Current - Output High, Low | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA |
| Voltage - Supply | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 20-TSSOP | 20-TSSOP | 20-TFSOP | 20-TFSOP | 20-TSSOP | 20-TSSOP | 20-TSSOP | 20-TSSOP | 20-TSSOP | 20-TSSOP |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 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 | Active | Active |
| RoHS Status | Not specified | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
All listed substitute parts maintain electrical and mechanical compatibility with the 74ALVC245MTCX. Selection should prioritize parts with active product status and ROHS3 compliance certification.
Primary Recommendation: SN74ALVC245PW (Texas Instruments) or SN74ALVC245PWR (Texas Instruments) provide direct substitution with identical packaging (20-TSSOP), active product status, and ROHS3 compliance. Both are available in standard commercial quantities.
Alternative Recommendation: 74ALVC245PW,118 (Nexperia USA Inc.) offers parametric equivalence with active status and ROHS3 compliance, suitable for applications requiring alternative sourcing.
Package Variant Option: SN74ALVC245DGVR (Texas Instruments) provides functional equivalence with 20-TFSOP package variant. This option is applicable only if PCB layout accommodates the alternative footprint.
Series Variant Option: 74LCX245FT (Toshiba Semiconductor and Storage) represents a parametric equivalent from an alternative manufacturer series (TC74LCX). This part maintains all electrical specifications and is suitable for multi-source procurement strategies.
Frequently Asked Questions (FAQ)
Q: Can SN74ALVC245DGVR replace 74ALVC245MTCX directly on the PCB?
A: SN74ALVC245DGVR is electrically equivalent but uses a 20-TFSOP package instead of 20-TSSOP. Direct PCB replacement is not possible without layout modification. Verify footprint compatibility before selection.
Q: What is the difference between 74ALVC and 74ALVCH series substitutes?
A: Both series maintain identical electrical parameters (voltage supply, output current, operating temperature, and logic function). The 74ALVCH series represents an alternative product line from Texas Instruments with equivalent performance characteristics.
Q: Are all substitute parts ROHS3 compliant?
A: All listed substitute parts carry ROHS3 compliance certification. The original 74ALVC245MTCX does not specify RoHS status due to its obsolete classification.
Q: Which substitute offers the best availability?
A: 74LCX245FT (Toshiba) shows the highest inventory level at 33,280 pieces. SN74ALVC245PWR (Texas Instruments) provides 8,652 pieces with active status and standard packaging.
Q: Can I use 74LVC series parts as substitutes?
A: SN74LVC245AIPWREP (74LVC series) is listed as a parametric equivalent with identical electrical specifications. It is functionally compatible and maintains all critical parameters for substitution.
Q: What packaging options are available for substitution?
A: Substitute parts are available in three packaging formats: Tube (PW variants), Tape & Reel (PWR and DGVR variants), and Cut Tape & Digi-Reel (74LCX245FT). Select based on procurement and assembly requirements.
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