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-TSSOP
Transceiver, Non-Inverting 2 Element 8 Bit per Element 3-State Output 48-SSOP
1. 74FCT16245CTPAG Substitution Conclusion
This device can serve as a direct drop-in replacement for the original part. Core functionality and key parameters are identical, including logic type (non-inverting transceiver), bit width configuration (2×8-bit), tri-state outputs, drive capability (32mA/64mA), and operating voltage range (4.5V–5.5V). The primary difference lies in the package: it uses a narrower 48-TSSOP (6.10mm width) compared to the original 48-BSSOP (7.50mm width). Provided the PCB layout space and pad dimensions are compatible, the electrical and functional performance is fully interchangeable, and no circuit design modifications are required.
2. 74FCT163245CPVG Substitution Conclusion
This part is not suitable for direct substitution of the original part. It is a 3.3V low-voltage logic device with an operating range of 2.7V–3.6V, whereas the original part is designed for a 5V system. Additionally, its drive capability is significantly lower (8mA/24mA vs. 32mA/64mA). Using this device in a 5V system could introduce signal integrity risks due to level mismatch, while insufficient drive current may affect load capability. Replacement should only be considered if the target system operates at 3.3V and has low load current requirements. Otherwise, level translation and load compatibility must be re-evaluated.
Analysis ID: 1CA3-1FD3000
Based on part parameters and for reference only. Not to be used for procurement or production.
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