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-TSSOP
1. CY74FCT162245CTPVC Substitution Conclusion
Functionally, this device can serve as a replacement, though there is a risk of package incompatibility. The part matches the original part exactly in core logic functions (non-inverting bidirectional transceiver, bus width), voltage range, and output current (24mA), ensuring direct compatibility in electrical interface and drive capability. The key difference lies in its package: it uses a wider 48-BSSOP (7.50mm) compared to the original 48-TSSOP/TFSOP (6.10mm). This variance in physical dimensions and pin pitch prevents direct soldering onto PCB pads designed for the original package. A board layout redesign is therefore mandatory; otherwise, physical installation is not possible.
2. CY74FCT16245ATPACT Substitution Conclusion
This device is a drop‑in replacement both electrically and mechanically, with enhanced performance. It fully aligns with the original part in logic function, voltage range, and key package details (48‑TFSOP, 6.10mm wide), guaranteeing perfect physical pin‑to‑pin and mounting compatibility. The difference is its notably stronger output drive capability: 32mA high‑level / 64mA low‑level versus the original 24mA/24mA. This enables the device to drive heavier loads (e.g., more inputs in parallel) or offer improved noise margin, representing a performance upgrade. In the vast majority of applications, this enhancement will not cause compatibility issues; rather, it can increase system reliability. It can be used as a direct substitute.
Analysis ID: 7DE0-9B7F000
Based on part parameters and for reference only. Not to be used for procurement or production.
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