Original Part
Zero Delay Buffer IC 133MHz 1 8-SOIC (0.154", 3.90mm Width)
Alternative Part
1. PI6C2405A-1HWIE Substitution Conclusion
The PI6C2405A-1HWIE can be considered a direct replacement, as its core functional parameters—such as zero-delay buffering, 1:5 output ratio, 133MHz frequency, 3-3.6V supply voltage, and 8-SOIC package—are fully consistent. However, two key differences must be noted: its input supports only TTL (whereas the original part supports LVTTL), its output is limited to TTL (while the original supports CMOS/LVCMOS/TTL), and no explicit PLL bypass function is indicated. These limitations may affect electrical compatibility; if the original system relies on LVTTL input thresholds or must drive CMOS/LVCMOS loads, there could be level-matching risks. Additionally, the lack of a PLL bypass option may reduce flexibility during system debug or in low-power modes. In applications where these features are not required, the substitution is acceptable.
2. PI6C2405A-1HWEX Substitution Conclusion
The PI6C2405A-1HWEX has identical parameter descriptions to the PI6C2405A-1HWIE, leading to the same substitution conclusion: it can serve as a functional replacement, but with the same limitations—only TTL-compatible input/output and no specified PLL bypass. If the original design utilizes LVTTL’s tighter noise margin or requires compatibility with multiple logic families, substitution may introduce signal integrity concerns. The absence of PLL bypass could also restrict redundant clock path design. In purely TTL-level applications with no need for PLL bypass, the replacement is safe; otherwise, level compatibility and system timing requirements should be evaluated.
Analysis ID: 0904-FC4F000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com