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. 74FCT162H245ATPVC Substitution Conclusion
This component is a full functional and electrical parameter drop-in replacement; however, the package is not compatible, necessitating a PCB redesign. The substitute matches the original part in all core logic functions, supply voltage range (4.5V to 5.5V), drive capability (24mA), and tri-state output characteristics, making it a direct replacement at the circuit logic and signal interface level. The discrepancy lies in the package: the original part uses a 48-TFSOP package (6.10mm width), whereas the substitute uses a 48-BSSOP package (7.50mm width). The physical dimensions and pin pitch of these two packages differ. The existing PCB land pattern is not directly compatible, requiring a complete board layout redesign based on the new package dimensions for proper installation.
2. 74FCT162H245CTPVC Substitution Conclusion
This component is a full functional and electrical parameter drop-in replacement, but the package is incompatible. Additionally, there may be a discrepancy between commercial-grade and industrial-grade temperature ranges, requiring both a PCB redesign and an evaluation of the application environment. This part's parameters are essentially identical to the 74FCT162H245ATPVC and shares the same package compatibility issue (48-BSSOP vs. 48-TFSOP). Furthermore, a key implicit difference is that the "C" in the part number typically denotes a commercial temperature range (0°C to +70°C). In contrast, the suffix "G8" on the original Renesas part usually corresponds to an industrial temperature range (-40°C to +85°C). If the original design is intended for an industrial temperature environment, a direct substitution may introduce reliability risks at high or low temperatures due to the narrowed operating range of the device. It is critical to assess whether this difference is acceptable based on the actual application's ambient temperature. Physically, a PCB redesign is also required for installation.
Analysis ID: FECD-2D07000
Based on part parameters and for reference only. Not to be used for procurement or production.
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