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74LVC4245ADB,118 Equivalent & Substitute Parts
Part Overview
The 74LVC4245ADB,118 is a bidirectional voltage level translator manufactured by Nexperia USA Inc., designed for logic-level signal conversion in 24-SSOP surface mount packaging. This component operates as a translator circuit with 8 channels per circuit, supporting voltage translation between different logic domains. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74LVC4245ADB,118 |
| Manufacturer | Nexperia USA Inc. |
| Category | Logic |
| Product Status | Obsolete |
| Translator Type | Voltage Level |
| Channel Type | Bidirectional |
| Channels per Circuit | 8 |
| Output Type | Tri-State |
| Package / Case | 24-SSOP (0.209", 5.30mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution for the 74LVC4245ADB,118 is determined by the following critical parameters:
Primary Substitution Criteria:
- Translator type: Voltage level translation capability
- Channel configuration: Bidirectional, 8 channels per circuit
- Output type: Tri-state logic output
- Mounting type: Surface mount
- Compliance: ROHS3 and REACH status alignment
Secondary Compatibility Factors:
- Package form factor (SSOP, TSSOP, SOIC, or equivalent footprint alternatives)
- Operating temperature range (-40°C to 125°C preferred for industrial applications)
- Voltage supply ranges supporting the required logic domains
- Product status (active parts preferred over obsolete)
Substitute parts are grouped into two categories: direct package equivalents (same 24-SSOP footprint) and functional equivalents with alternative packaging that maintain electrical compatibility.
Parameter Comparison
| Part Number | Manufacturer | Translator Type | Channels | Output Type | Package / Case | Product Status | Operating Temp (°C) | RoHS Status |
|---|---|---|---|---|---|---|---|---|
| 74LVC4245ADB,118 | Nexperia USA Inc. | Voltage Level | 8 | Tri-State | 24-SSOP | Obsolete | -40 ~ 125 | ROHS3 |
| 74LVC4245APW,118 | Nexperia USA Inc. | Voltage Level | 8 | Tri-State | 24-TSSOP | Active | -40 ~ 125 | ROHS3 |
| ADG3308BRUZ-REEL7 | Analog Devices Inc. | Voltage Level | 8 | Tri-State, Non-Inverted | 20-TSSOP | Active | -40 ~ 85 | ROHS3 |
| ADG3308BCPZ-REEL | Analog Devices Inc. | Voltage Level | 8 | Tri-State, Non-Inverted | 20-LFCSP (4x4) | Active | -40 ~ 85 | ROHS3 |
| CLVC8T245MRHLTEP | Texas Instruments | Translation Transceiver | 8 | 3-State | 24-VQFN (5.5x4.6) | Active | -55 ~ 125 | ROHS3 |
| CLVCC3245AIDBREP | Texas Instruments | Voltage Level | 8 | Tri-State, Non-Inverted | 24-SSOP | Active | -40 ~ 85 | ROHS3 |
| CLVCC3245AIDWREP | Texas Instruments | Voltage Level | 8 | Tri-State, Non-Inverted | 24-SOIC | Active | -40 ~ 85 | ROHS3 |
| CLVCC4245AMPWREP | Texas Instruments | Voltage Level | 8 | Tri-State, Non-Inverted | 24-TSSOP | Active | -55 ~ 125 | ROHS3 |
| FXL4245MPX | onsemi | Voltage Level | 8 | Tri-State, Non-Inverted | 24-MLP (4.6x4.5) | Active | -40 ~ 85 | ROHS3 |
| FXLA108BQX | onsemi | Voltage Level | 8 | Tri-State, Non-Inverted | 20-DQFN (2.5x4.5) | Active | -40 ~ 85 | ROHS3 |
| FXMA108BQX | onsemi | Voltage Level | 8 | Tri-State, Non-Inverted | 20-DQFN (2.5x4.5) | Active | -40 ~ 85 | ROHS3 |
Engineering Selection Recommendations
Direct Package Equivalent (Recommended for Minimal Redesign):
CLVCC3245AIDBREP is the closest functional equivalent, offering identical 24-SSOP packaging to the 74LVC4245ADB,118. This part is manufactured by Texas Instruments, carries active product status, and maintains ROHS3 compliance. The voltage translation capability and tri-state output configuration match the original specification. Operating temperature range is -40°C to 85°C, which covers standard industrial applications.
Active Alternative with Same Base Series:
74LVC4245APW,118 from Nexperia USA Inc. maintains the same manufacturer and 74LVC series designation as the obsolete part. This part is currently active and available in high volume (220,341 pcs in stock). The package changes to 24-TSSOP, requiring PCB layout modification. Voltage specifications support 1.5V to 5.5V on VCCA and 1.5V to 3.6V on VCCB.
Higher Performance Alternatives:
CLVCC4245AMPWREP (Texas Instruments) extends operating temperature to -55°C to 125°C and supports voltage translation from 4.5V to 5.5V on VCCA and 2.7V to 5.5V on VCCB. This part is suitable for extended temperature range applications.
ADG3308BRUZ-REEL7 (Analog Devices Inc.) provides 50Mbps data rate capability with auto-direction sensing, available in 20-TSSOP packaging. This option is appropriate for higher-speed signal translation requirements.
Compact Package Alternatives:
FXLA108BQX and FXMA108BQX from onsemi offer reduced footprint in 20-DQFN packaging with data rates of 140Mbps and 100Mbps respectively. These parts include auto-direction sensing and power-off protection features, suitable for space-constrained designs.
All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original part.
Frequently Asked Questions (FAQ)
Q: Can I use 74LVC4245APW,118 as a direct replacement for 74LVC4245ADB,118?
A: Both parts share the same manufacturer (Nexperia) and base product number (74LVC4245), but differ in package form factor. The APW variant uses 24-TSSOP packaging versus the ADB's 24-SSOP. Electrical functionality is equivalent, but PCB layout changes are required. The APW is currently active with high inventory availability.
Q: What is the key difference between CLVCC3245AIDBREP and the original 74LVC4245ADB,118?
A: CLVCC3245AIDBREP maintains the same 24-SSOP package and bidirectional 8-channel configuration. The primary differences are manufacturer (Texas Instruments vs. Nexperia), active product status, and voltage specifications. VCCA operates at 2.3V to 3.6V and VCCB at 3V to 5.5V, compared to the original's broader voltage ranges. Operating temperature is -40°C to 85°C.
Q: Are Analog Devices ADG3308 parts compatible with the 74LVC4245 series?
A: ADG3308 parts provide equivalent bidirectional voltage translation with 8 channels and tri-state output. They differ in package form (20-TSSOP or 20-LFCSP) and include auto-direction sensing capability. Data rate is specified at 50Mbps. These parts are suitable substitutes when package changes are acceptable.
Q: What packaging options are available for substitutes?
A: Substitute parts are available in multiple surface mount packages: 24-SSOP (CLVCC3245AIDBREP), 24-TSSOP (74LVC4245APW, CLVCC4245AMPWREP), 24-SOIC (CLVCC3245AIDWREP), 24-VQFN (CLVC8T245MRHLTEP), 24-MLP (FXL4245MPX), and 20-DQFN (FXLA108BQX, FXMA108BQX). Package selection depends on PCB layout constraints and thermal requirements.
Q: Do all substitutes meet the same compliance standards?
A: All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the original part's regulatory status. Moisture sensitivity levels vary from MSL 1 (unlimited) to MSL 3 (168 hours), affecting storage and handling requirements.
Q: Which substitute offers the widest operating temperature range?
A: CLVC8T245MRHLTEP from Texas Instruments supports -55°C to 125°C operating temperature, extending the lower temperature limit compared to the original specification. CLVCC4245AMPWREP also supports this extended range.
Q: Are there substitutes with higher data rate capability?
A: FXLA108BQX offers 140Mbps data rate, FXMA108BQX provides 100Mbps, and ADG3308 variants support 50Mbps. The original 74LVC4245ADB,118 does not specify a data rate parameter. These higher-speed options are suitable for applications requiring faster signal translation.
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