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-SSOP
1. 74FCT162245ATPVCT Substitution Conclusion
The 74FCT162245ATPVCT is functionally identical to the original 74FCT162245ATPAG in terms of logic function, voltage range, and output current. Both are non-inverting transceivers, 2-element 8-bit per element, with tri-state outputs. Key electrical parameters such as 24mA drive capability and 4.5V–5.5V supply compatibility are fully matched, making the device a direct functional replacement.
The difference lies in the package: the original device is housed in a 48-TFSOP (width 6.10mm), whereas the substitute uses a 48-BSSOP (width 7.50mm). This implies potential differences in package footprint and pin pitch, requiring reassessment of PCB layout and assembly process. Substitution is feasible if the pinout is compatible and board space permits, but mechanical compatibility should be carefully verified.
2. 74FCT16245TPVCG4 Substitution Conclusion
The 74FCT16245TPVCG4 matches the original 74FCT162245ATPAG in logic function and voltage range. Key differences include higher output current (32mA high / 64mA low vs. original 24mA / 24mA) and a different package (48-BSSOP vs. original 48-TFSOP).
The higher drive capability means the substitute can support heavier loads or longer trace lengths, potentially improving system performance. However, attention should be paid to possible signal integrity impacts, such as variations in rise/fall times. The package difference requires PCB layout adjustments to accommodate the dimensional change. Provided pinout compatibility is maintained and electrical compatibility is verified, substitution is feasible, though testing is recommended to ensure seamless integration with the existing circuit.
Analysis ID: CF1C-E26E000
Based on part parameters and for reference only. Not to be used for procurement or production.
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