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74FCT16952CTPVG Equivalent & Substitute Parts
Part Overview
The 74FCT16952CTPVG is a non-inverting transceiver IC manufactured by Renesas Electronics Corporation, featuring 2 elements with 8 bits per element and 3-state output capability. This 56-SSOP surface mount device operates across a 4.5V to 5.5V supply 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 support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74FCT16952CTPVG |
| 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 74FCT16952CTPVG are classified based on strict parameter alignment across the following critical criteria:
Core Substitution Parameters:
- 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)
Substitution Categories:
MFR Recommended Substitutes maintain full electrical and mechanical compatibility with identical or superior performance characteristics:
- CY74FCT162952BTPVC (Texas Instruments) - Identical package and voltage specifications; output current 24mA/24mA
- CY74FCT16952CTPACT (Texas Instruments) - Identical electrical parameters; 56-TSSOP package variant
Parametric Equivalents share all critical electrical parameters and package specifications:
- CY74FCT16543CTPVC (Texas Instruments)
- CY74FCT16646ATPVC (Texas Instruments)
- CY74FCT16646CTPVC (Texas Instruments)
- CY74FCT16652ATPVC (Texas Instruments)
- CY74FCT16652CTPVC (Texas Instruments)
- CY74FCT16952ATPVC (Texas Instruments)
- SN74ABT16470DL (Texas Instruments)
- SN74ABT16543DL (Texas Instruments)
All substitute parts maintain compliance with ROHS3, REACH Unaffected, and EAR99 classifications.
Parameter Comparison
| Part Number | Manufacturer | Logic Type | Elements | Bits/Element | Output Type | Current High/Low (mA) | Voltage Supply | Temp Range | Package | Product Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74FCT16952CTPVG | 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-TSSOP | 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 and CY74FCT16952CTPACT are direct functional equivalents with identical electrical specifications and package compatibility. Both maintain ROHS3 compliance and REACH Unaffected status. CY74FCT16952CTPACT offers improved moisture sensitivity (MSL 1 vs. MSL 3), reducing handling risk in humid environments.
For Long-Term Availability: SN74ABT16470DL and SN74ABT16543DL are active product status alternatives from Texas Instruments, ensuring continued availability and supply chain stability. Both maintain identical electrical parameters, package specifications, and compliance certifications. These parts are recommended for new designs or systems requiring extended product lifecycle support.
Output Current Consideration: CY74FCT162952BTPVC provides reduced output current (24mA/24mA vs. 32mA/64mA). This part is suitable only when system design accommodates lower drive capability and does not require the full output current specification of the original 74FCT16952CTPVG.
Package Variant: CY74FCT16952CTPACT uses 56-TSSOP packaging (0.240", 6.10mm width) versus the standard 56-BSSOP (0.295", 7.50mm width). PCB layout and footprint compatibility must be verified before selection.
Frequently Asked Questions (FAQ)
Q: Can I use SN74ABT16543DL as a direct replacement for 74FCT16952CTPVG? A: Yes. SN74ABT16543DL meets all critical electrical and mechanical parameters: 2-element, 8-bit transceiver with 3-state output, 4.5V-5.5V supply, -40°C to 85°C operating range, and 56-BSSOP package. The primary advantage is active product status, ensuring long-term availability.
Q: What is the difference between CY74FCT16952ATPVC and CY74FCT16952CTPACT? A: Both are Texas Instruments equivalents with identical electrical specifications (32mA/64mA output current). The primary difference is packaging: CY74FCT16952ATPVC uses 56-BSSOP (7.50mm width), while CY74FCT16952CTPACT uses 56-TSSOP (6.10mm width). PCB footprint compatibility must be confirmed for your application.
Q: Why does CY74FCT162952BTPVC have lower output current (24mA/24mA)? A: CY74FCT162952BTPVC is a different device variant within the 74FCT series. While it maintains the same logic type, element count, and package, its output current specification is reduced. Use this part only if your circuit design accommodates lower drive capability.
Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, matching the original 74FCT16952CTPVG certification requirements.
Q: What does MSL (Moisture Sensitivity Level) mean for component selection? A: MSL indicates moisture absorption risk during storage and handling. The original part has MSL 3 (168 hours), while most substitutes have MSL 1 (unlimited). Lower MSL values reduce baking requirements and handling precautions, providing manufacturing process advantages.
Q: Should I choose an active product status part over an obsolete equivalent? A: For new designs or systems requiring extended lifecycle support, active status parts (SN74ABT16470DL, SN74ABT16543DL) are recommended. For legacy system maintenance, obsolete equivalents provide direct compatibility. Verify long-term supply availability for your specific application timeline.
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