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74FCT16952ATPVG Equivalent & Substitute Parts
Part Overview
The 74FCT16952ATPVG is a non-inverting transceiver IC manufactured by Renesas Electronics Corporation, featuring 2 elements with 8 bits per element and 3-state output capability in a 56-SSOP package. This component operates within the 4.5V to 5.5V supply voltage range and is rated for -40°C to 85°C operating temperature. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system maintenance and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74FCT16952ATPVG |
| Manufacturer | Renesas Electronics Corporation |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 8 |
| Output Type | 3-State |
| Current - Output High, Low | 32mA, 64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 56-BSSOP (0.295", 7.50mm Width) |
| Supplier Device Package | 56-SSOP |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for the 74FCT16952ATPVG are classified based on strict adherence to the following critical parameters:
Primary Substitution Criteria:
- Logic Type: Transceiver, Non-Inverting
- Number of Elements: 2
- Number of Bits per Element: 8
- Output Type: 3-State
- Voltage - Supply: 4.5V ~ 5.5V
- Operating Temperature: -40°C ~ 85°C (TA)
- Mounting Type: Surface Mount
- Package / Case: 56-BSSOP (0.295", 7.50mm Width)
- Current - Output High, Low: 32mA, 64mA
Substitution Categories:
MFR Recommended Substitutes meet all primary criteria with identical electrical specifications and are recommended by the original manufacturer or authorized distributors.
Parametric Equivalents match all critical electrical and mechanical parameters but may differ in product status, MSL rating, or packaging format while maintaining functional compatibility.
Package Variant Equivalents maintain identical electrical specifications but utilize alternative package formats (56-TSSOP vs. 56-SSOP) suitable for different assembly processes.
Parameter Comparison
| Part Number | Manufacturer | Logic Type | Elements | Bits/Element | Output Type | Current High/Low (mA) | Supply Voltage | Temp Range | Package | Product Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74FCT16952ATPVG | Renesas | Non-Inverting | 2 | 8 | 3-State | 32/64 | 4.5-5.5V | -40 to 85°C | 56-BSSOP | Obsolete | 3 |
| CY74FCT162952BTPVC | Texas Instruments | Non-Inverting | 2 | 8 | 3-State | 24/24 | 4.5-5.5V | -40 to 85°C | 56-BSSOP | Obsolete | 1 |
| CY74FCT16952CTPACT | Texas Instruments | Non-Inverting | 2 | 8 | 3-State | 32/64 | 4.5-5.5V | -40 to 85°C | 56-TFSOP | Obsolete | 1 |
| CY74FCT16543CTPVC | Texas Instruments | Non-Inverting | 2 | 8 | 3-State | 32/64 | 4.5-5.5V | -40 to 85°C | 56-BSSOP | Obsolete | 1 |
| CY74FCT16646ATPVC | Texas Instruments | Non-Inverting | 2 | 8 | 3-State | 32/64 | 4.5-5.5V | -40 to 85°C | 56-BSSOP | Obsolete | 1 |
| CY74FCT16646CTPVC | Texas Instruments | Non-Inverting | 2 | 8 | 3-State | 32/64 | 4.5-5.5V | -40 to 85°C | 56-BSSOP | Obsolete | 1 |
| CY74FCT16652ATPVC | Texas Instruments | Non-Inverting | 2 | 8 | 3-State | 32/64 | 4.5-5.5V | -40 to 85°C | 56-BSSOP | Obsolete | 1 |
| CY74FCT16652CTPVC | Texas Instruments | Non-Inverting | 2 | 8 | 3-State | 32/64 | 4.5-5.5V | -40 to 85°C | 56-BSSOP | Obsolete | 1 |
| CY74FCT16952ATPVC | Texas Instruments | Non-Inverting | 2 | 8 | 3-State | 32/64 | 4.5-5.5V | -40 to 85°C | 56-BSSOP | Obsolete | 1 |
| SN74ABT16470DL | Texas Instruments | Non-Inverting | 2 | 8 | 3-State | 32/64 | 4.5-5.5V | -40 to 85°C | 56-BSSOP | Active | 1 |
| SN74ABT16543DL | Texas Instruments | Non-Inverting | 2 | 8 | 3-State | 32/64 | 4.5-5.5V | -40 to 85°C | 56-BSSOP | Active | 1 |
Engineering Selection Recommendations
For Direct Replacement (Obsolete to Obsolete): CY74FCT16952ATPVC from Texas Instruments provides the closest functional match with identical electrical specifications (32mA/64mA output current), matching package format (56-BSSOP), and equivalent operating parameters. This part maintains ROHS3 compliance and operates across the same temperature range.
For Long-Term Availability (Obsolete to Active): SN74ABT16470DL and SN74ABT16543DL are active-status alternatives from Texas Instruments that maintain all critical electrical and mechanical parameters. These parts offer improved long-term availability and supply chain stability while preserving functional compatibility with the original 74FCT16952ATPVG specification.
For Package Format Flexibility: CY74FCT16952CTPACT provides identical electrical performance in a 56-TFSOP package variant, suitable for applications requiring alternative PCB assembly processes or space constraints.
Compliance Considerations: All listed substitutes maintain ROHS3 compliance and EAR99 export classification consistent with the original part. MSL ratings vary between 1 (Unlimited) for Texas Instruments parts and 3 (168 Hours) for the original Renesas part, requiring appropriate moisture control during storage and assembly.
Frequently Asked Questions (FAQ)
Q: Can CY74FCT162952BTPVC replace 74FCT16952ATPVG directly? A: CY74FCT162952BTPVC is functionally compatible but has reduced output current specifications (24mA/24mA versus 32mA/64mA). Direct substitution is acceptable only if the application circuit does not require the higher current drive capability of the original part.
Q: What is the difference between 56-BSSOP and 56-TFSOP packages? A: Both packages contain 56 pins and are surface-mount formats. The 56-BSSOP has a 0.295" width (7.50mm), while the 56-TFSOP has a 0.240" width (6.10mm). Electrical functionality is identical; package selection depends on PCB layout and assembly equipment compatibility.
Q: Are active-status parts like SN74ABT16470DL suitable for new designs? A: Yes. Active-status parts offer superior long-term availability and supply chain continuity. They meet all electrical and mechanical requirements of the original obsolete part and are recommended for new design implementations.
Q: How does MSL rating affect part selection? A: MSL (Moisture Sensitivity Level) indicates moisture exposure limits during storage and assembly. The original part has MSL 3 (168 hours maximum), while most substitutes have MSL 1 (unlimited). Lower MSL ratings provide greater flexibility in manufacturing environments with extended lead times or storage periods.
Q: Can I use CY74FCT16543CTPVC as a substitute? A: Yes. CY74FCT16543CTPVC matches all critical parameters including output current (32mA/64mA), supply voltage, temperature range, and package format. The different base product number (16543 versus 16952) reflects internal logic configuration differences that do not affect functional compatibility in transceiver applications.
Q: What compliance certifications apply to these parts? A: All listed parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export purposes, matching the regulatory status of the original 74FCT16952ATPVG.
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