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-SSOP
Transceiver, Non-Inverting 2 Element 8 Bit per Element 3-State Output 48-TSSOP
1. 74FCT163245CPVG Substitution Conclusion
Not a direct drop-in replacement. Key differences include the operating voltage range (2.7V~3.6V vs. the original's 4.5V~5.5V) and the high-level output drive capability (8mA vs. 24mA). This device is designed for 3.3V low-voltage logic. Forcing it into a 5V system risks signal level mismatch, potentially leading to incorrect logic thresholds or reduced reliability. Furthermore, the weaker high-level drive may compromise load driving capability or signal integrity.
2. 74FCT162245CTPAG Substitution Conclusion
This part is a direct electrical replacement. Its voltage range (4.5V~5.5V) and output current (24mA/24mA) are identical to the original, with matching logic function and interface characteristics, allowing seamless compatibility in a 5V system. The only notable difference is the package: it uses a 48-TSSOP (6.10mm width) versus the original's 48-SSOP (7.50mm width). This requires an adaptation of the PCB pad layout, offering higher mounting density at the expense of slightly reduced space for thermal dissipation.
Analysis ID: C1E5-DEAD000
Based on part parameters and for reference only. Not to be used for procurement or production.
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