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. 74FCT162H245ATPVC Substitution Conclusion
From the perspective of core logic function, voltage, and drive capability, this part can serve as a direct replacement for the original component. The primary differences lie in the package and manufacturer: the original part is a Renesas 48-TFSOP (6.10mm width), whereas this substitute is a TI 48-BSSOP/SSOP (7.50mm width). The differing physical package dimensions and pin pitch render the existing PCB layout incompatible, necessitating a redesign of the land pattern. Furthermore, switching manufacturers may introduce minor variations in dynamic parameters, such as propagation delay and switching speed. These should be verified in applications operating at extreme high speeds or with stringent timing requirements.
2. 74FCT162H245CTPVC Substitution Conclusion
The feasibility conclusion for substituting this part is identical to that for the 74FCT162H245ATPVC. Both components share identical descriptions and parameters, originate from TI, and utilize the same 48-BSSOP package. Consequently, the same physical package compatibility issue with the original part exists, requiring PCB design modifications. The "A" versus "C" in the part number suffix likely denotes different internal product grades or lot identifiers within TI. However, based on the provided public datasheets, no differences in electrical performance or packaging are indicated, and therefore this distinction does not impact the substitution decision.
Analysis ID: 974F-28BE000
Based on part parameters and for reference only. Not to be used for procurement or production.
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