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-SSOP
1. CY74FCT16245ATPVCT Substitution Conclusion
This part is not suitable for direct replacement of the original device. The primary discrepancy lies in the operating voltage: the original device is specified for 3.3 V LVCMOS (2.7 V to 3.6 V), whereas this TI component is 5 V TTL‑compatible (4.5 V to 5.5 V). Deploying a 5 V device in a 3.3 V system would create a supply mismatch, likely resulting in improper operation or damage. Additionally, although its drive strength (32 mA / 64 mA) is considerably higher than that of the original (8 mA / 24 mA)—which could benefit load driving—the fundamental voltage incompatibility precludes its direct use in the original design (assuming a 3.3 V system).
2. CY74FCT16245CTPVC Substitution Conclusion
This device is likewise unsuitable for direct substitution. Its key parameters—5 V operation and high drive capability—are identical to those of the `ATPVCT` variant above. Consequently, the core difference from the original part remains the same: a fundamental mismatch in operating voltage levels (5 V versus 3.3 V). It cannot be directly employed in a power environment designed for the original 3.3 V component; forced replacement would introduce electrical compatibility issues. Unless the system power scheme is modified to 5 V, this device does not offer a feasible drop‑in replacement.
Analysis ID: 38E5-0E1C000
Based on part parameters and for reference only. Not to be used for procurement or production.
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