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. CY74FCT16245TPVCT Substitution Conclusion
This device is a direct electrical substitute for the original part, matching all key parameters including core logic function (non-inverting 16-bit tri-state transceiver), supply voltage, and drive current (32mA/64mA). The primary difference lies in the package: it uses a slightly wider 48-SSOP (7.50mm) versus the original 48-TSSOP (6.10mm). When performing a PCB layout substitution, it is critical to verify that the new layout has sufficient physical clearance to accommodate the approximately 1.4mm increase in package width. Failure to do so may result in mechanical interference and prevent installation.
2. 74FCT162245ATPACT Substitution Conclusion
This device is functionally and electrically compatible with the original part in terms of logic function and supply voltage. The package is identical (48-TSSOP), enabling a seamless physical replacement. The key deviation is its symmetrical output drive capability of 24mA, which is significantly lower than the original's 32mA (high-level output) and 64mA (low-level output). Consequently, this substitute has weaker fan-out capability and reduced ability to drive heavy loads or long traces. Substitution may lead to increased voltage drop or slower signal edges when driving the same load, potentially impacting signal integrity and timing margins. It is only suitable for applications with light loads or non-critical drive current requirements.
Analysis ID: 09FC-D3AD000
Based on part parameters and for reference only. Not to be used for procurement or production.
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