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
Electrically, this device is a fully functional drop-in replacement. However, it is mechanically incompatible with the existing PCB footprint and requires a board redesign. The key differences are as follows: Its output drive current (High: 32mA, Low: 64mA) is significantly higher than that of the original part (24mA), providing superior fan-out capability and signal integrity when driving heavy loads. The critical incompatibility lies in the package width. The substitute is housed in a narrower 6.10mm TSSOP, compared to the original 7.50mm SSOP. Although the pin pitch is identical, the mismatch in package body dimensions prevents direct soldering onto the existing PCB pads.
2. 74FCT16245CTPVG8 Substitution Conclusion
This device is a suitable direct substitute and represents a superior choice. The performance difference is the same as with the CTPAG variant: its output drive current (High: 32mA, Low: 64mA) exceeds the original part's specification (24mA), offering enhanced output drive strength and improved noise margin. Crucially, its package (48-BSSOP, 7.50mm wide) is mechanically identical to the original. This ensures complete pin-to-pin and footprint compatibility, allowing for direct soldering onto the existing PCB location while delivering upgraded electrical performance.
Analysis ID: F96D-2835000
Based on part parameters and for reference only. Not to be used for procurement or production.
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