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-TSSOP
1. 74FCT162H245ATPACT Substitution Conclusion
This part can serve as a direct functional replacement, but package compatibility must be verified. It is fully equivalent to the original device in core logic function (non-inverting bidirectional transceiver), bus architecture (2x8-bit), drive strength (24mA), supply voltage (4.5-5.5V), and output control (tri-state), ensuring an electrically and logically equivalent substitution. The primary difference lies in the package: it uses a narrower 48-TSSOP (6.10mm wide), whereas the original part is in a 48-SSOP (7.50mm wide). Their PCB footprints are not compatible, requiring a PCB redesign or an adapter solution for a direct drop-in replacement. Furthermore, the "H" in the part number typically denotes TI's "FCT-H" series, which may offer improved edge rate control or noise performance. This is generally a positive enhancement and does not affect basic functionality.
2. 74FCT162H245CTPACT Substitution Conclusion
This device can be considered as a functional replacement candidate, but the specification differences indicated by the suffix "C" must be carefully verified. This part is nearly identical to the "ATPACT" version in the core parameters described and shares the same package compatibility issue (SSOP to narrower TSSOP). The key distinction is the change in the part number suffix from "ATPACT" to "CTPACT". Under TI's naming convention, the leading character (e.g., A, C) typically indicates the device's temperature range or grade (e.g., Commercial 0°C to +70°C or Industrial -40°C to +85°C). The "A" in the original Renesas part number may also represent its specific temperature grade. Prior to substitution, it is essential to explicitly verify that the specific temperature range of "CTPACT" meets the environmental requirements of the original design. If the temperature grade matches or is wider (e.g., original is Commercial, TI part is Industrial), substitution is viable after resolving the package issue. If it does not match, direct substitution is not recommended.
Analysis ID: A6F8-F643000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com