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. 74FCT16245CTPAG8 Substitution Conclusion
The 74FCT16245CTPAG8 can serve as a direct functional replacement for the original part CY74FCT162245TPVC, as both are non-inverting transceivers with identical 2-element, 8-bit per element organization and tri-state outputs, and share the same operating voltage range (4.5V to 5.5V). Key differences include output current capability: the original part supports 24 mA for both high and low outputs, whereas the 74FCT16245CTPAG8 provides 32 mA high-side and 64 mA low-side drive. This higher drive strength makes the substitute better suited for heavy loads or long transmission lines, though designers should be aware of potential increases in system noise and power consumption. Package dimensions also differ—the original uses a 48-BSSOP with a 7.50 mm width, while the substitute is housed in a 48-TFSOP measuring 6.10 mm wide. The smaller footprint saves PCB area but requires reevaluation of layout compatibility and thermal management. Overall, substitution is feasible; however, verification of pin‑out alignment and timing parameters is recommended to ensure seamless integration.
2. 74FCT16245ETPAG Substitution Conclusion
The 74FCT16245ETPAG is also a direct functional substitute for the original CY74FCT162245TPVC, featuring the same non‑inverting transceiver architecture, 2‑element × 8‑bit organization, tri‑state outputs, and operating voltage range (4.5V–5.5V). Differences mirror those of the 74FCT16245CTPAG8: the substitute offers higher output current (32 mA high, 64 mA low), providing improved load‑driving capability and enhanced noise margin, though power‑supply design may need adjustment to accommodate the higher current. The package is more compact (48‑TFSOP, 6.10 mm wide vs. original 48‑BSSOP at 7.50 mm), which benefits high‑density layouts but may affect thermal performance and mechanical fit. Based on the given specifications, substitution is viable; nevertheless, it is advisable to verify pin compatibility and dynamic characteristics such as propagation delay in the actual application.
Analysis ID: C628-6CEB000
Based on part parameters and for reference only. Not to be used for procurement or production.
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