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. CY74FCT16245ATPACT Substitution Conclusion
This device is functionally equivalent to the original part in terms of logic function, supply voltage, and bus width architecture, making it a viable functional substitute. However, two key differences must be noted: first, the output drive capability differs (TI’s part is rated 32mA/64mA, while the original is 24mA/24mA). The TI device offers significantly stronger low‑level drive, which is advantageous in heavier‑load applications, though it may also lead to increased power dissipation and switching noise. Second, the package differs (TI: 48‑TSSOP, original: 48‑SSOP). While the pinout is identical, the TSSOP package is narrower (6.10mm vs 7.50mm), requiring PCB pad layout adaptation; a direct drop‑in replacement is not possible. Provided PCB modifications are acceptable, this device can serve as an electrical and functional replacement with improved drive performance.
2. CY74FCT16245ATPVC Substitution Conclusion
This device matches the original in logic function, supply voltage, bus width architecture, and package dimensions (48‑BSSOP, identical to the original), offering full physical compatibility for direct drop‑in replacement. The primary difference lies in the output drive current (TI’s part: 32mA/64mA, original: 24mA/24mA). The TI version provides greater fan‑out capability and low‑level drive margin, delivering better performance under heavy loads. Nevertheless, system power consumption and signal integrity should be evaluated to ensure the increased current drive does not introduce overshoot or noise issues. This part represents a high‑throughput, pin‑compatible direct replacement that requires no PCB redesign and offers enhanced drive capability, provided the higher output current does not adversely affect the existing system.
Analysis ID: F131-E1FB000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com