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. 74FCT162245CTPAG Substitution Conclusion
Conditional substitution; requires careful evaluation of whether the drive capability meets the requirements. This part is fully compatible with the original part in terms of core functionality, logic levels, and supply voltage. The primary differences are its significantly lower output drive current (High/Low: 24mA/24mA) compared to the original (32mA/64mA) and its narrower 48-TSSOP package. The reduced and symmetrical drive current weakens its ability to drive heavy loads or long transmission lines, particularly for low-level output strength, potentially impacting signal integrity or fan-out capability. The smaller package footprint may also be incompatible with the existing PCB pad design; direct replacement might require layout modifications or acceptance of different mechanical dimensions.
2. 74FCT16245CTPAG8 Substitution Conclusion
Highly feasible; this is an almost perfect drop-in replacement. This part matches the original CY74FCT16245CTPVC in all key electrical parameters, including the asymmetric output drive current (32mA/64mA). The sole difference lies in the package form factor, which is a narrower 48-TSSOP. There is virtually no difference in signal drive strength, switching speed, and electrical characteristics, ensuring consistent system performance. The only physical variance is the package width (6.10mm vs. 7.50mm). This necessitates verifying compatibility with the existing PCB pad pattern. For a new design, this is inconsequential. For a direct replacement onto an existing footprint, a DFM (Design for Manufacturability) assessment may be required.
Analysis ID: 9381-4B51000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com