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NLAS4717EPFCT1G Equivalent & Substitute Parts
Part Overview
The NLAS4717EPFCT1G is a 2-circuit IC switch with SPDT (Single Pole Double Throw) configuration and 2:1 multiplexer/demultiplexer functionality manufactured by onsemi. This component operates across a supply voltage range of 1.8V to 5.5V and features a maximum on-state resistance of 4.6Ohm with 10-Microbump packaging in a 10-UFBGA/FCBGA form factor.
The product is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this interface switch.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Switch Circuit Configuration | SPDT |
| Multiplexer/Demultiplexer Circuit | 2:1 |
| Number of Circuits | 2 |
| On-State Resistance (Max) | 4.6Ohm |
| Channel-to-Channel Matching (ΔRon) | 100mOhm |
| Voltage - Supply, Single (V+) | 1.8V ~ 5.5V |
| Switch Time (Ton, Toff) (Max) | 30ns, 40ns |
| -3dB Bandwidth | 90MHz |
| Charge Injection | 9pC |
| Channel Capacitance (CS(off), CD(off)) | 15pF |
| Current - Leakage (IS(off)) (Max) | 1nA |
| Crosstalk | -110dB @ 1MHz |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 10-UFBGA, FCBGA |
| Supplier Device Package | 10-Microbump |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution for the NLAS4717EPFCT1G is determined by strict equivalence across the following critical parameters:
- Switch circuit topology: SPDT configuration with 2:1 multiplexer/demultiplexer functionality
- Number of circuits: 2 independent switch circuits
- On-state resistance: Maximum 4.6Ohm with channel-to-channel matching of 100mOhm
- Supply voltage range: 1.8V to 5.5V single supply operation
- Switching performance: Maximum switch times of 30ns (Ton) and 40ns (Toff)
- Bandwidth: -3dB bandwidth of 90MHz or greater
- Signal integrity: Charge injection of 9pC, channel capacitance of 15pF, and crosstalk of -110dB @ 1MHz
- Operating temperature range: -40°C to 85°C
- Package format: 10-Microbump in 10-UFBGA/FCBGA configuration
- Compliance: ROHS3 compliant, REACH unaffected, MSL 1
A substitute part must match all specified electrical and mechanical parameters. Parts that deviate in switch circuit type, number of circuits, on-state resistance, supply voltage range, switching speed, bandwidth, or package configuration are not considered equivalent.
Parameter Comparison
| Parameter | NLAS4717EPFCT1G (Main Part) | NLAS4717EPFCT1G (Substitute) |
|---|---|---|
| Manufacturer | onsemi | onsemi |
| Switch Circuit | SPDT | SPDT |
| Multiplexer/Demultiplexer Circuit | 2:1 | 2:1 |
| Number of Circuits | 2 | 2 |
| On-State Resistance (Max) | 4.6Ohm | 4.6Ohm |
| Channel-to-Channel Matching (ΔRon) | 100mOhm | 100mOhm |
| Voltage - Supply, Single (V+) | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Switch Time (Ton, Toff) (Max) | 30ns, 40ns | 30ns, 40ns |
| -3dB Bandwidth | 90MHz | 90MHz |
| Charge Injection | 9pC | 9pC |
| Channel Capacitance (CS(off), CD(off)) | 15pF | 15pF |
| Current - Leakage (IS(off)) (Max) | 1nA | 1nA |
| Crosstalk | -110dB @ 1MHz | -110dB @ 1MHz |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 10-UFBGA, FCBGA | 10-UFBGA, FCBGA |
| Supplier Device Package | 10-Microbump | 10-Microbump |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The NLAS4717EPFCT1G is classified as an obsolete product. When sourcing equivalent parts, prioritize components that maintain full parametric equivalence across all electrical specifications and package configuration.
Selection criteria based on provided data:
- Verify ROHS3 compliance status for regulatory adherence in target markets
- Confirm MSL 1 rating to ensure unlimited shelf life and simplified moisture handling
- Validate REACH unaffected status for supply chain compliance
- Ensure 10-Microbump package compatibility with existing PCB designs and assembly processes
- Confirm all electrical parameters match specification limits, particularly on-state resistance, switching times, and bandwidth performance
Substitute parts must be sourced from authorized distributors with documented traceability and original manufacturer certification.
Frequently Asked Questions (FAQ)
Q: What defines an equivalent substitute for the NLAS4717EPFCT1G?
A: An equivalent substitute must match all specified parameters: SPDT switch circuit with 2:1 multiplexer/demultiplexer configuration, 2 circuits, 4.6Ohm maximum on-state resistance, 1.8V to 5.5V supply voltage, 30ns/40ns switching times, 90MHz bandwidth, 9pC charge injection, 15pF channel capacitance, 1nA maximum leakage current, -110dB crosstalk, -40°C to 85°C operating temperature, 10-Microbump package in 10-UFBGA/FCBGA form factor, and ROHS3 compliance.
Q: Can parts with different on-state resistance values be used as substitutes?
A: No. The on-state resistance of 4.6Ohm maximum is a critical electrical parameter. Substitutes must maintain this exact specification. Deviations affect signal integrity and circuit performance.
Q: Is the 10-Microbump package interchangeable with other package types?
A: No. The 10-Microbump package in 10-UFBGA/FCBGA configuration is mechanically and electrically specific to this design. PCB layout, solder process, and assembly equipment are optimized for this package format. Alternative packages require design re-qualification.
Q: What is the significance of the MSL 1 rating?
A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and does not require special moisture control during storage or handling. This simplifies inventory management and reduces risk of moisture-related failures.
Q: Why is ROHS3 compliance important for substitution?
A: ROHS3 compliance ensures the substitute part meets restricted substance directives applicable to the target market. Non-compliant substitutes may create regulatory and supply chain issues.
Q: Can the NLAS4717EPFCT1G be replaced with a different switch topology?
A: No. The SPDT 2:1 multiplexer/demultiplexer topology is application-specific. Different topologies (such as SPST or higher-order multiplexers) have different functional behavior and are not interchangeable.
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