Original Part
Transceiver, Non-Inverting 2 Element 8 Bit per Element 3-State Output 48-TSSOP
Alternative Part
Transceiver, Non-Inverting 2 Element 8 Bit per Element 3-State Output 48-SSOP
Transceiver, Non-Inverting 2 Element 8 Bit per Element 3-State Output 48-SSOP
1. CY74FCT162245ATPVC Substitution Conclusion
The CY74FCT162245ATPVC is fully equivalent to the original part in core logic function, supply voltage, and drive capability, making it a direct functional replacement. The difference lies in the package: the original device uses a 48-TFSOP (width 6.10 mm), whereas the TI variant is offered in a 48-BSSOP (width 7.50 mm). Due to the differing physical outline and pin pitch, the devices are not footprint-compatible on an existing PCB. If this part is to be adopted, the PCB layout must be redesigned to accommodate the wider BSSOP package.
2. CY74FCT162245TPVC Substitution Conclusion
The CY74FCT162245TPVC also matches the original part in core logic function, supply voltage, and drive strength, qualifying it as a functional substitute. As with the ATPVC version, the primary deviation is the package size (48-BSSOP vs. 48-TFSOP), which presents a direct mechanical fit issue. Additionally, compared to the TI “ATPVC” variant, the “TPVC” designation lacks the “A” suffix, indicating it may be a standard-grade rather than an “A”-series device. This could result in minor differences in AC switching characteristics—such as propagation delay and edge rates—or noise margins, though basic DC parameters and functionality remain the same. When considering substitution, the package compatibility must be addressed first. For applications involving high-speed or critical timing paths, it is advisable to review the detailed datasheet to verify that timing parameters meet system requirements.
Analysis ID: 9438-8F9A000
Based on part parameters and for reference only. Not to be used for procurement or production.
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