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CY74FCT16652CTPVC Equivalent & Substitute Parts
Part Overview
The CY74FCT16652CTPVC is a non-inverting transceiver logic IC manufactured by Texas Instruments, featuring 2 elements with 8 bits per element and 3-state output capability in a 56-SSOP surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The device operates across a 4.5V to 5.5V supply voltage range with output drive capabilities of 32mA (high) and 64mA (low), suitable for bus transceiver applications requiring bidirectional signal buffering.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 8 |
| Output Type | 3-State |
| Current - Output High | 32mA |
| Current - Output Low | 64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 56-BSSOP (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the CY74FCT16652CTPVC is determined by strict equivalence across the following critical parameters: logic type (non-inverting transceiver), element count (2), bits per element (8), output type (3-state), output current specifications (32mA high / 64mA low), supply voltage range (4.5V ~ 5.5V), operating temperature range (-40°C ~ 85°C), package type (56-BSSOP), and mounting method (surface mount). All substitute parts listed maintain identical electrical and mechanical specifications to the main part, ensuring direct functional replacement without circuit redesign.
Substitute parts are grouped into two categories: obsolete series equivalents (74FCT variants) and active series alternatives (74ABT variants). The 74FCT series parts share the same manufacturing lineage and obsolete status, while 74ABT series parts provide active product alternatives with identical parametric specifications, offering long-term availability advantages.
Parameter Comparison
| Part Number | Manufacturer | Series | Product Status | Logic Type | Elements / Bits | Output Type | I(out) High / Low | V(supply) | Temp Range | Package | RoHS | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CY74FCT16652CTPVC | Texas Instruments | 74FCT | Obsolete | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP | ROHS3 | 1250 |
| CY74FCT16652ATPVC | Texas Instruments | 74FCT | Obsolete | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP | ROHS3 | 2144 |
| CY74FCT16543CTPVC | Texas Instruments | 74FCT | Obsolete | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP | ROHS3 | 1310 |
| CY74FCT16646ATPVC | Texas Instruments | 74FCT | Obsolete | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP | ROHS3 | 863 |
| CY74FCT16646CTPVC | Texas Instruments | 74FCT | Obsolete | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP | ROHS3 | 827 |
| CY74FCT16952ATPVC | Texas Instruments | 74FCT | Obsolete | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP | ROHS3 | 1364 |
| SN74ABT16470DL | Texas Instruments | 74ABT | Active | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP | ROHS3 | 1027 |
| SN74ABT16543DL | Texas Instruments | 74ABT | Active | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP | ROHS3 | 1900 |
| SN74ABT16646DL | Texas Instruments | 74ABT | Active | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP | ROHS3 | 3080 |
| SN74ABT16652DL | Texas Instruments | 74ABT | Active | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP | ROHS3 | 846 |
| SN74ABT16657DL | Texas Instruments | 74ABT | Active | Non-Inverting | 2 / 8 | 3-State | 32mA / 64mA | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP | ROHS3 | 2100 |
Engineering Selection Recommendations
For applications requiring immediate replacement of the obsolete CY74FCT16652CTPVC, the CY74FCT16652ATPVC provides direct parametric equivalence within the same 74FCT series. This option maintains design continuity with existing obsolete component lineage while offering higher current inventory availability (2144 units).
For new designs or long-term production requirements, the 74ABT series alternatives (SN74ABT16470DL, SN74ABT16543DL, SN74ABT16646DL, SN74ABT16652DL, SN74ABT16657DL) are recommended. These parts maintain identical electrical specifications and package configuration while offering active product status, ensuring sustained manufacturing support and supply chain stability. All substitute parts carry ROHS3 compliance and MSL Level 1 rating, meeting current environmental and reliability standards.
Frequently Asked Questions (FAQ)
Q: Can CY74FCT16652CTPVC be directly replaced with SN74ABT16652DL?
A: Yes. Both parts share identical electrical parameters: 2-element, 8-bit non-inverting transceiver with 3-state output, 32mA/64mA drive capability, 4.5V–5.5V supply range, -40°C to 85°C operating temperature, and 56-BSSOP package. The primary difference is product status (obsolete vs. active) and manufacturing series lineage.
Q: What is the difference between CY74FCT16652CTPVC and CY74FCT16652ATPVC?
A: Both are parametrically identical 74FCT series parts in 56-BSSOP packaging with matching electrical specifications. The suffix variation (CTPVC vs. ATPVC) reflects internal manufacturing or temperature grade designations within the same product family. Functionally, they are interchangeable.
Q: Are all listed substitute parts pin-compatible with CY74FCT16652CTPVC?
A: Yes. All substitute parts use the 56-BSSOP package with identical pinout, enabling direct PCB-level replacement without layout modification.
Q: Why should I consider 74ABT series parts over 74FCT alternatives?
A: The 74ABT series parts maintain identical electrical and mechanical specifications while offering active product status. This ensures long-term availability, continued manufacturing support, and supply chain reliability compared to obsolete 74FCT variants.
Q: Do all substitute parts meet current compliance requirements?
A: Yes. All listed substitute parts carry ROHS3 compliance and MSL Level 1 (unlimited moisture sensitivity), meeting current environmental and reliability standards for industrial and commercial applications.
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