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
From the perspective of core logic functionality, logic levels, and drive capability, the 74FCT162H245ATPACT can serve as a drop-in replacement for the original part. Both are dual 8-bit non-inverting 3-state transceivers with identical supply voltage range (4.5V to 5.5V) and output drive current (24mA), ensuring fundamental compatibility for signal transmission and interface functions. The primary distinction lies in the package footprint. The TI device utilizes a narrower-body 48-TFSOP package (6.10mm wide), whereas the original part is housed in a 48-SSOP package (7.50mm wide). This implies that for a direct substitution, the PCB layout must be verified to ensure the land pattern can accommodate the smaller package; otherwise, a layout adjustment will be necessary. Additionally, the "H" series designation typically indicates lower static power consumption and optimized switching characteristics. These represent beneficial performance enhancements and do not introduce compatibility issues.
2. 74FCT162H245CTPACT Substitution Conclusion
The 74FCT162H245CTPACT is also a viable functional substitute for the original part. Its key electrical parameters—voltage, current, and logic configuration—are fully aligned with the original, guaranteeing functional equivalence within the circuit. Similar to the previous case, the critical difference compared to the original part is the package (the narrower 48-TFSOP), which necessitates verification of physical layout compatibility during the design substitution. Furthermore, the suffix variation between "C" and "A" typically denotes different temperature grades or manufacturing process specifications. While their operational temperature ranges generally overlap and are compatible for most commercial or industrial applications, if the original design has stringent, specific temperature range requirements, it is advisable to consult the detailed datasheet for the corresponding TI part for final confirmation.
Analysis ID: EE5B-E52C000
Based on part parameters and for reference only. Not to be used for procurement or production.
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