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-TSSOP
1. 74FCT16245ETPVG Substitution Conclusion
This part is a functional and electrical drop-in replacement for the original device in terms of core specifications: logic function, supply voltage, and drive current (32mA/64mA). The primary deviation is its package: it uses a wider 48-BSSOP (7.50mm body) versus the original 48-TSSOP/TFSOP (6.10mm body). Consequently, their PCB footprints are not compatible, and a direct substitution necessitates a board redesign. Provided this physical dimensional difference is acceptable or accommodated, the part offers seamless functional, performance, and operational condition replacement.
2. 74FCT162245ATPAG8 Substitution Conclusion
This device is physically compatible with the original part, sharing the same logic function, supply voltage, and package (48-TFSOP). However, a key discrepancy lies in its output drive current, which is a symmetrical 24mA/24mA. This is significantly lower than the original's asymmetrical drive capability (32mA source, 64mA sink). Its ability to drive loads, particularly to sink current (low-level output), is therefore reduced. This aspect requires careful evaluation against the original design's load requirements. Substitution is viable if the actual operating current in the application is well below 24mA; the symmetrical drive may even offer benefits for noise reduction. If the load is heavy or approaches the original drive limits, direct substitution risks degraded signal integrity or circuit malfunction. Thus, feasibility is highly application-dependent.
Analysis ID: C7A1-5F7C000
Based on part parameters and for reference only. Not to be used for procurement or production.
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