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IDT74LVC4245ASOG8 Equivalent & Substitute Parts
Part Overview
The IDT74LVC4245ASOG8 is a bidirectional translator circuit in 24-SOIC packaging manufactured by Renesas Electronics Corporation. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The 74LVC series provides voltage level translation functionality suitable for logic interface applications requiring bidirectional signal conversion across different voltage domains.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | IDT74LVC4245ASOG8 |
| Manufacturer | Renesas Electronics Corporation |
| Series | 74LVC |
| Product Status | Obsolete |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | Not specified |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution for the IDT74LVC4245ASOG8 is determined by the following critical parameters:
Primary Substitution Criteria:
- Series compatibility (74LVC, 74AVC, or equivalent logic families)
- Translator type (bidirectional voltage level translation)
- Package form factor (24-SOIC or compatible surface mount packages)
- Voltage supply range (minimum 1.5V to 5.5V support)
- Operating temperature range (-40°C to 125°C preferred for industrial applications)
- RoHS3 compliance and MSL rating
Substitute parts are grouped into two categories:
- Direct Package Equivalents – Parts maintaining 24-SOIC or 24-DHVQFN packaging with identical or superior electrical specifications
- Functional Equivalents – Parts with alternative packages (TSSOP, WLCSP) offering equivalent or enhanced performance characteristics
The substitute parts listed below meet the core functional requirements of bidirectional voltage translation while accommodating modern manufacturing and compliance standards.
Parameter Comparison
| Part Number | Manufacturer | Series | Package | Voltage Supply | Operating Temp | Product Status | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|
| IDT74LVC4245ASOG8 | Renesas Electronics | 74LVC | 24-SOIC | Not specified | Not specified | Obsolete | Not specified | 1 |
| SN74LVC8T245MDWREP | Texas Instruments | 74LVC | 24-SOIC | 1.65V ~ 5.5V | -55°C ~ 125°C | Active | ROHS3 Compliant | 3 |
| 74AVC8T245BQ-Q100J | Nexperia USA Inc. | 74AVC | 24-DHVQFN (5.5x4.6) | 0.8V ~ 3.6V | -40°C ~ 125°C | Active | ROHS3 Compliant | 1 |
| 74LVC4245ABQ,118 | Nexperia USA Inc. | 74LVC | 24-DHVQFN (5.5x4.6) | VCCA: 1.5V ~ 5.5V; VCCB: 1.5V ~ 3.6V | -40°C ~ 125°C | Active | ROHS3 Compliant | 1 |
| 74LVC4245ABQ-Q100J | Nexperia USA Inc. | 74AVC | 24-DHVQFN (5.5x4.6) | Not specified | Not specified | Active | ROHS3 Compliant | 1 |
| 74LVC8T245BQ-Q100J | Nexperia USA Inc. | 74LVC | 24-DHVQFN (5.5x4.6) | 1.2V ~ 5.5V | -40°C ~ 125°C | Active | ROHS3 Compliant | 1 |
| 74LVC8T245PW-Q100J | Nexperia USA Inc. | 74LVC | 24-TSSOP (0.173", 4.40mm Width) | 1.2V ~ 5.5V | -40°C ~ 125°C | Active | ROHS3 Compliant | 1 |
| ADG3300BRUZ | Analog Devices Inc. | ADG3300 | 20-TSSOP (0.173", 4.40mm Width) | VCCA: 1.15V ~ 5.5V; VCCB: 1.65V ~ 5.5V | -40°C ~ 85°C | Active | ROHS3 Compliant | 1 |
| ADG3300BRUZ-REEL7 | Analog Devices Inc. | ADG3300 | 20-TSSOP (0.173", 4.40mm Width) | VCCA: 1.15V ~ 5.5V; VCCB: 1.65V ~ 5.5V | -40°C ~ 85°C | Active | ROHS3 Compliant | 1 |
| ADG3308BCBZ-1-REEL | Analog Devices Inc. | ADG3308 | 20-WLCSP (2.5x2) | VCCA: 1.15V ~ 5.5V; VCCB: 1.65V ~ 5.5V | -40°C ~ 85°C | Active | ROHS3 Compliant | 1 |
| ADG3308BCBZ-1-RL7 | Analog Devices Inc. | ADG3308 | 20-WLCSP (2.5x2) | VCCA: 1.15V ~ 5.5V; VCCB: 1.65V ~ 5.5V | -40°C ~ 85°C | Active | ROHS3 Compliant | 1 |
Engineering Selection Recommendations
For Direct Package Replacement (24-SOIC): SN74LVC8T245MDWREP from Texas Instruments is the primary active substitute. It maintains 24-SOIC packaging and operates across 1.65V to 5.5V supply range with extended temperature range (-55°C to 125°C). This part is ROHS3 compliant and actively manufactured.
For Enhanced Compliance and Automotive Applications: 74LVC8T245BQ-Q100J and 74LVC4245ABQ-Q100J from Nexperia USA Inc. are AEC-Q100 qualified automotive-grade alternatives. These parts feature MSL 1 rating (unlimited moisture sensitivity) and operate across -40°C to 125°C. The 24-DHVQFN package offers reduced footprint compared to 24-SOIC while maintaining functional equivalence.
For Space-Constrained Designs: 74LVC8T245PW-Q100J provides 24-TSSOP packaging with identical electrical specifications to the DHVQFN variants, suitable for applications requiring smaller form factors.
For Advanced Voltage Translation with Auto-Direction Sensing: ADG3300BRUZ and ADG3308BCBZ series from Analog Devices Inc. offer bidirectional translation with integrated auto-direction sensing at 50Mbps data rate. These parts support wider voltage ranges (VCCA: 1.15V to 5.5V; VCCB: 1.65V to 5.5V) and are suitable for high-speed interface applications. Operating temperature range is -40°C to 85°C.
All recommended substitutes are ROHS3 compliant, REACH unaffected, and actively manufactured with confirmed inventory availability.
Frequently Asked Questions (FAQ)
Q: Can SN74LVC8T245MDWREP directly replace IDT74LVC4245ASOG8 in existing PCB layouts? A: SN74LVC8T245MDWREP maintains identical 24-SOIC packaging and pin configuration, enabling direct PCB substitution. Electrical specifications are compatible across the specified voltage and temperature ranges.
Q: What is the primary difference between 74LVC and 74AVC series substitutes? A: The 74AVC series (such as 74AVC8T245BQ-Q100J) operates at lower voltage ranges (0.8V to 3.6V) and includes automotive-grade qualification (AEC-Q100). The 74LVC series maintains broader voltage support (1.2V to 5.5V) for general-purpose applications. Selection depends on target voltage domain and automotive compliance requirements.
Q: Are TSSOP and WLCSP packages functionally equivalent to the original 24-SOIC? A: Yes, TSSOP (24-TSSOP) and WLCSP (20-WLCSP) packages provide functional equivalence with identical electrical performance. Package selection is determined by PCB layout constraints and manufacturing capabilities. TSSOP offers moderate size reduction, while WLCSP provides maximum density for space-critical applications.
Q: What does MSL 1 (Unlimited) rating mean for component handling? A: MSL 1 indicates unlimited shelf life without moisture bake-out requirements. Components rated MSL 1 do not require special moisture control during storage or assembly, simplifying supply chain and manufacturing processes.
Q: Do all substitute parts meet RoHS3 compliance? A: Yes, all listed substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronics manufacturing.
Q: Which substitute offers the widest operating temperature range? A: SN74LVC8T245MDWREP from Texas Instruments supports -55°C to 125°C, providing the broadest temperature coverage among listed substitutes. This extended range is suitable for industrial and harsh environment applications.
Q: Are automotive-qualified alternatives available? A: Yes, 74LVC8T245BQ-Q100J and 74LVC4245ABQ-Q100J from Nexperia USA Inc. are AEC-Q100 qualified for automotive applications, with confirmed inventory and active production status.
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