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IDT74LVC4245APYG Equivalent & Substitute Parts
Part Overview
The IDT74LVC4245APYG is a bidirectional translator circuit in 24-SSOP packaging manufactured by Renesas Electronics Corporation. This component is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. The part functions as a voltage level translator with bidirectional channel capability, suitable for logic signal translation applications requiring surface mount deployment.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | IDT74LVC4245APYG |
| Manufacturer | Renesas Electronics Corporation |
| Category | Logic |
| Series | 74LVC |
| Product Status | Obsolete |
| Translator Type | Voltage Level Translator |
| Channel Type | Bidirectional |
| Mounting Type | Surface Mount |
| Package / Case | 24-SSOP (0.209", 5.30mm Width) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | Not specified |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
Substitute Part Grouping Explanation
Substitution for the IDT74LVC4245APYG is determined by the following critical parameters:
Primary Substitution Criteria:
- Translator type: Voltage level translator
- Channel type: Bidirectional
- Number of circuits: 1
- Channels per circuit: 8
- Output type: Tri-state or 3-state capability
- Mounting type: Surface mount
- Moisture sensitivity level: MSL 1 (Unlimited)
- REACH compliance: REACH Unaffected
- ECCN classification: EAR99
Secondary Compatibility Factors:
- Package compatibility (24-SSOP, 24-TSSOP, 24-SOIC, or 24-DHVQFN acceptable)
- Operating temperature range: -40°C to 125°C preferred
- Supply voltage ranges supporting logic translation applications
- RoHS3 compliance for regulatory alignment
Substitute parts are grouped into two categories: direct package equivalents (24-SSOP or 24-TSSOP) and functional equivalents with alternative packaging that maintain electrical compatibility.
Parameter Comparison
| Part Number | Manufacturer | Series | Product Status | Translator Type | Channel Type | Channels per Circuit | Output Type | Package / Case | Operating Temperature | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| IDT74LVC4245APYG | Renesas Electronics | 74LVC | Obsolete | Voltage Level | Bidirectional | 8 | Tri-State | 24-SSOP | -40°C ~ 125°C | Not specified | 1 |
| 74AVC8T245PW,118 | Nexperia USA Inc. | 74AVC | Active | Translation Transceiver | Bidirectional | 8 | 3-State | 24-TSSOP | -40°C ~ 125°C | ROHS3 Compliant | 1 |
| 74LVC4245APW,118 | Nexperia USA Inc. | 74LVC | Active | Voltage Level | Bidirectional | 8 | Tri-State | 24-TSSOP | -40°C ~ 125°C | ROHS3 Compliant | 1 |
| 74LVC8T245BQ,118 | Nexperia USA Inc. | 74LVC | Active | Translation Transceiver | Bidirectional | 8 | 3-State | 24-DHVQFN (5.5x4.6) | -40°C ~ 125°C | ROHS3 Compliant | 1 |
| 74LVCH8T245PW,118 | Nexperia USA Inc. | 74LVCH | Active | Translation Transceiver | Bidirectional | 8 | 3-State | 24-TSSOP | -40°C ~ 125°C | ROHS3 Compliant | 1 |
| ADG3308BRUZ | Analog Devices Inc. | Not specified | Active | Voltage Level | Bidirectional | 8 | Tri-State, Non-Inverted | 20-TSSOP | -40°C ~ 85°C | ROHS3 Compliant | 1 |
| CLVCC3245AIDBREP | Texas Instruments | 74LVCC | Active | Voltage Level | Bidirectional | 8 | Tri-State, Non-Inverted | 24-SSOP | -40°C ~ 85°C | ROHS3 Compliant | 1 |
| CLVCC3245AIDWREP | Texas Instruments | 74LVCC | Active | Voltage Level | Bidirectional | 8 | Tri-State, Non-Inverted | 24-SOIC | -40°C ~ 85°C | ROHS3 Compliant | 1 |
| CLVCC3245AIPWREP | Texas Instruments | 74LVCC | Active | Voltage Level | Bidirectional | 8 | Tri-State, Non-Inverted | 24-TSSOP | -40°C ~ 85°C | ROHS3 Compliant | 1 |
| CLVCC4245AMPWREP | Texas Instruments | 74LVCC | Active | Voltage Level | Bidirectional | 8 | Tri-State, Non-Inverted | 24-TSSOP | -55°C ~ 125°C | ROHS3 Compliant | 1 |
| FXL4245MPX | onsemi | Not specified | Active | Voltage Level | Bidirectional | 8 | Tri-State, Non-Inverted | 24-WFQFN Exposed Pad | -40°C ~ 85°C | ROHS3 Compliant | 1 |
Engineering Selection Recommendations
Direct Package Equivalent (Preferred for PCB Compatibility):
74LVC4245APW,118 from Nexperia USA Inc. provides the closest functional match in 24-TSSOP packaging. This part maintains the same series designation (74LVC), bidirectional channel configuration, and tri-state output characteristics. The part is active with ROHS3 compliance and identical MSL rating. Operating temperature range matches the original specification (-40°C to 125°C).
Same-Package Equivalent (24-SSOP):
CLVCC3245AIDBREP from Texas Instruments offers 24-SSOP packaging identical to the original IDT part. This part maintains voltage level translator functionality with bidirectional 8-channel configuration and tri-state output. The part is active with ROHS3 compliance. Operating temperature range is -40°C to 85°C, which is narrower than the original but suitable for most applications.
Alternative Package Options:
74LVC8T245BQ,118 (24-DHVQFN) and 74LVCH8T245PW,118 (24-TSSOP) from Nexperia provide active alternatives with enhanced current output specifications (32mA vs. unspecified original). Both support the full -40°C to 125°C operating range and ROHS3 compliance.
CLVCC4245AMPWREP from Texas Instruments extends operating temperature to -55°C to 125°C for applications requiring enhanced low-temperature performance.
All recommended substitutes maintain REACH Unaffected status and EAR99 ECCN classification consistent with the original part.
Frequently Asked Questions (FAQ)
Q: Can I use 74LVC4245APW,118 as a direct replacement for IDT74LVC4245APYG?
A: 74LVC4245APW,118 is functionally equivalent but uses 24-TSSOP packaging instead of 24-SSOP. Both packages are surface mount with similar pin pitch (0.173" vs. 0.209" width). PCB layout modification is required. Electrical characteristics, channel configuration, and operating temperature range are compatible.
Q: What is the difference between 24-SSOP and 24-TSSOP packaging?
A: 24-SSOP (0.209" width) and 24-TSSOP (0.173" width) are both shrink small outline packages with 24 pins. TSSOP is a narrower variant. Pin pitch and electrical performance are equivalent, but PCB footprints differ. Design layout changes are necessary when switching between these packages.
Q: Why is CLVCC3245AIDBREP limited to -40°C to 85°C operating temperature?
A: CLVCC3245AIDBREP is specified for -40°C to 85°C by Texas Instruments. The original IDT74LVC4245APYG supports -40°C to 125°C. For applications requiring the full temperature range, select 74LVC4245APW,118 or CLVCC4245AMPWREP instead.
Q: Are all substitute parts ROHS3 compliant?
A: All active substitute parts listed are ROHS3 compliant. The original IDT74LVC4245APYG RoHS status is not specified in available documentation. All substitutes meet current regulatory requirements for hazardous substance restrictions.
Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?
A: MSL 1 indicates the lowest moisture sensitivity level. These components can be stored indefinitely without special moisture control measures and do not require baking before soldering. All listed substitutes maintain MSL 1 rating.
Q: Can I use ADG3308BRUZ as a substitute despite the 20-TSSOP package?
A: ADG3308BRUZ provides voltage level translation with bidirectional 8-channel configuration and tri-state output. However, the 20-TSSOP package differs from the original 24-SSOP, requiring PCB redesign. Additionally, operating temperature is limited to -40°C to 85°C. Use only if package change is acceptable for your application.
Q: What is the advantage of FXL4245MPX over other substitutes?
A: FXL4245MPX from onsemi includes power-off protection as a featured characteristic. The 24-WFQFN exposed pad package provides thermal performance benefits. However, operating temperature is -40°C to 85°C. Select this part if thermal management or power-off protection is required.
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