Original Part
Transceiver, Non-Inverting 2 Element 8 Bit per Element 3-State Output 48-SSOP
Alternative Part
Transceiver, Non-Inverting 2 Element 8 Bit per Element 3-State Output 48-TSSOP
Transceiver, Non-Inverting 2 Element 8 Bit per Element 3-State Output 48-TSSOP
1. 74FCT162245ATPAG Substitution Conclusion
This part is fully compatible with the original device in all key electrical parameters (logic function, voltage, drive current) and can serve as a functional drop-in replacement. The sole discrepancy lies in the package outline: the original part is in a 48-BSSOP package (7.50mm width), whereas this device is in a 48-TSSOP/TFSOP package (6.10mm width). Their physical dimensions and pad layouts are incompatible, preventing a direct substitution without modifying the PCB design (e.g., the footprint pattern). Feasibility conclusion: Electrically compatible, but physically incompatible. Suitable only for new designs or applications where board layout modifications are permissible. Not viable as a direct plug-and-play replacement for existing products.
2. 74FCT162245CTPAG8 Substitution Conclusion
This device is identical to the aforementioned 74FCT162245ATPAG in both core electrical parameters and package. Therefore, the substitution conclusion is the same. It likewise provides electrical performance matching the original specification. The critical distinction remains the package outline: it utilizes a 48-TSSOP/TFSOP (6.10mm width) package, which is mechanically incompatible with the original 48-BSSOP (7.50mm width) package. This incompatibility precludes direct soldering onto an existing PCB footprint designed for the original part. Feasibility conclusion: Functionally suitable as a replacement, but not a direct physical substitute. Applicable only in scenarios where the corresponding PCB design change is acceptable. In-situ replacement is not possible.
Analysis ID: 155B-75BC000
Based on part parameters and for reference only. Not to be used for procurement or production.
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