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. Substitution Conclusion for 74FCT162245ATPAG
This device is a viable pin-for-pin replacement, offering full compatibility with the original part in terms of core logic function (non-inverting bidirectional transceiver), bit width, supply voltage, and tri-state outputs. Two key differences must be considered. First, the output drive capability: its drive current (24mA) is lower than that of the original (32mA/64mA). This may result in slightly weaker marginal drive or reduced noise margin when driving heavy capacitive or resistive loads. Signal integrity must be verified under the original design's load conditions. Second, the package body width: it utilizes a narrower TSSOP package (6.10mm wide vs. the original SSOP's 7.50mm width). The PCB footprint must be adjusted accordingly; the original land pattern cannot be used for soldering.
2. Substitution Conclusion for 74FCT162245CTPAG8
As a variant within the same family as the 74FCT162245ATPAG, this part shares identical fundamental logic parameters, drive capability, voltage range, and package. Therefore, the feasibility conclusion is exactly the same as for the 74FCT162245ATPAG detailed above. The suffix "C" and "8" typically denote specific versions concerning commercial temperature range (e.g., 0°C to +70°C) or packaging form (e.g., tape and reel). It is necessary to verify that its operating temperature range and reliability grade meet the original design specifications. However, these differences do not affect its basic electrical substitution functionality under specified conditions.
Analysis ID: 6097-6469000
Based on part parameters and for reference only. Not to be used for procurement or production.
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