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MAX393C/D Equivalent & Substitute Parts
Part Overview
The MAX393C/D is an integrated circuit switch manufactured by Analog Devices Inc./Maxim Integrated, classified as an Interface category component. This device functions as a Circuit IC Switch and is currently listed with Obsolete product status. Due to its obsolescence, identifying functionally equivalent active alternatives is essential for design continuity, procurement planning, and system reliability in applications requiring SPST switch functionality.
Substiute Parts
Key Parameters
| Parameter | MAX393C/D |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Base Product Number | MAX393 |
| Category | Interface |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
The MAX393CSE+ serves as the direct functional equivalent to the MAX393C/D. Substitution is based on the following criteria derived from the provided specifications:
- Base Product Number Match: Both parts share the MAX393 base product number, indicating they are variants within the same product family
- Manufacturer Consistency: Both are manufactured by Analog Devices Inc./Maxim Integrated
- Circuit Configuration: Both implement SPST (Single-Pole Single-Throw) NO/NC switch architecture with 4 circuits
- Electrical Performance: Matching on-state resistance (35Ohm maximum), channel-to-channel matching (300mOhm), and supply voltage ranges (3V ~ 15V single supply; ±3V ~ 8V dual supply)
- Compliance Alignment: Both maintain ROHS3 compliance, MSL Level 1, and REACH Unaffected status
- Active Product Status: The MAX393CSE+ is Active, providing long-term availability and supply chain continuity
Parameter Comparison
| Parameter | MAX393C/D | MAX393CSE+ |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Base Product Number | MAX393 | MAX393 |
| Category | Interface | Interface |
| Product Status | Obsolete | Active |
| Switch Circuit Type | SPST - NO/NC | SPST - NO/NC |
| Number of Circuits | 4 | 4 |
| On-State Resistance (Max) | 35Ohm | 35Ohm |
| Channel-to-Channel Matching (ΔRon) | - | 300mOhm |
| Voltage - Supply, Single (V+) | - | 3V ~ 15V |
| Voltage - Supply, Dual (V±) | - | ±3V ~ 8V |
| Switch Time (Ton, Toff) (Max) | - | 130ns, 75ns |
| Charge Injection | - | 2pC |
| Channel Capacitance (CS(off), CD(off)) | - | 9pF, 9pF |
| Current - Leakage (IS(off)) (Max) | - | 100pA |
| Crosstalk | - | -85dB @ 1MHz |
| Operating Temperature | - | 0°C ~ 70°C (TA) |
| Mounting Type | - | Surface Mount |
| Package / Case | - | 16-SOIC (0.154", 3.90mm Width) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The MAX393CSE+ is the appropriate substitute for the obsolete MAX393C/D based on the following engineering criteria:
- Product Status Transition: The MAX393CSE+ maintains Active product status, ensuring continued manufacturer support, availability, and compliance updates throughout its lifecycle
- Regulatory Compliance: Both parts maintain identical ROHS3 compliance and REACH Unaffected status, eliminating regulatory risk in substitution
- Moisture Handling: Both parts carry MSL Level 1 (Unlimited), indicating no moisture sensitivity constraints during storage, handling, or assembly
- Functional Equivalence: Identical circuit configuration (4-circuit SPST NO/NC), on-state resistance (35Ohm), and supply voltage specifications ensure direct functional compatibility
- Manufacturer Continuity: Both parts originate from the same manufacturer, providing consistent design philosophy, quality standards, and technical support
Frequently Asked Questions (FAQ)
Q: Can the MAX393CSE+ directly replace the MAX393C/D in existing designs?
A: Yes. Both parts share the MAX393 base product number, identical switch circuit configuration (4-circuit SPST NO/NC), matching on-state resistance (35Ohm maximum), and equivalent supply voltage ranges. Compliance certifications (ROHS3, REACH Unaffected, MSL Level 1) are identical.
Q: What is the primary reason for substitution?
A: The MAX393C/D is listed as Obsolete. The MAX393CSE+ is an Active product from the same manufacturer, providing long-term availability and supply chain security.
Q: Are there packaging differences between these parts?
A: The MAX393CSE+ is specified in 16-SOIC (0.154", 3.90mm Width) surface mount packaging with Tube packaging format. Verify that your PCB design and assembly process accommodate this package specification.
Q: Do both parts meet the same regulatory requirements?
A: Yes. Both the MAX393C/D and MAX393CSE+ are ROHS3 Compliant, REACH Unaffected, and carry MSL Level 1 (Unlimited) moisture sensitivity rating.
Q: What electrical parameters should I verify for my application?
A: Key parameters for application compatibility include on-state resistance (35Ohm maximum), supply voltage range (3V ~ 15V single supply or ±3V ~ 8V dual supply), switch time specifications (130ns Ton, 75ns Toff maximum), and operating temperature range (0°C ~ 70°C).
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