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. CY74FCT162245CTPVC Substitution Conclusion
The conclusion is a conditional substitution requiring careful evaluation. This part is a functional direct replacement, with identical core logic functions, supply voltage, and drive current (24mA) to the original. The critical difference lies in the package: the original part uses a narrower 48-TFSOP (width: 6.10mm), while this part uses a wider 48-BSSOP/SSOP (width: 7.50mm). Their footprints are physically incompatible on a PCB and cannot be soldered onto the same pad locations. This discrepancy means the feasibility of substitution depends entirely on the board design stage: it is viable for new designs or if PCB layout modifications are permitted; it is not viable as a drop-in replacement for existing hardware.
2. CY74FCT16245ATPACT Substitution Conclusion
The conclusion is a direct drop-in replacement with enhanced performance. This part is fully compatible with the original in core logic function, supply voltage, and package (48-TFSOP), ensuring both physical and electrical interface compatibility. The difference is in the output drive capability: its output current (High: 32mA, Low: 64mA) is significantly higher than the original's (24mA). This device offers greater fan-out capability and improved ability to drive capacitive loads, which can enhance signal integrity. Its input level characteristics are compatible with the FCT series and will not cause overloading. This part serves as a direct functional and package-compatible replacement for the original while providing superior output performance.
Analysis ID: 2044-1B9A000
Based on part parameters and for reference only. Not to be used for procurement or production.
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