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-SSOP
1. 74FCT16245CTPAG Substitution Conclusion
This device is fully compatible with the original part in terms of core logic function (non-inverting, 8-bit bidirectional transceiver, tri-state outputs) and operating voltage range, establishing a foundation for functional substitution. The differences are as follows: 1) Its drive capability differs, with an output current (32mA high-level, 64mA low-level) significantly higher than the original (24mA/24mA). This provides greater fan-out and superior ability to drive heavily loaded lines, but may also result in sharper signal edges and slightly higher switching noise. Care should be taken in very high-speed or EMI-sensitive designs. 2) The package differs, utilizing a narrower 48-TSSOP (6.10mm wide) versus the original 48-SSOP (7.50mm wide). Their PCB pad layouts are incompatible, preventing a direct "drop-in" replacement and necessitating a board redesign. While electrically substitutable, due to physical package incompatibility, it is only suitable for new designs or PCB revisions, not for direct repair or replacement of existing hardware.
2. 74FCT16245CTPVG8 Substitution Conclusion
This part is a highly viable direct replacement for the original. It is identical to the original in core logic function and operating voltage range. Most critically, it uses the exact same 48-SSOP (7.50mm wide) package, ensuring full physical pinout and pad dimension compatibility. The sole difference lies in its drive capability, with an output current (32mA/64mA) again higher than the original (24mA/24mA). While maintaining identical interface logic and power requirements, it offers stronger output drive and improved noise margin—a performance enhancement. In the vast majority of applications, this represents a positive improvement requiring no peripheral circuit adjustments. This part is highly matched to the original in function, package, and electrical characteristics while offering superior performance. It can serve as a direct, design-modification-free substitute for new production or repair/replacement of existing products.
Analysis ID: 6A93-B446000
Based on part parameters and for reference only. Not to be used for procurement or production.
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