Original Part
Alternative Part
Zero Delay Buffer IC 133MHz 1 8-SOIC (0.154", 3.90mm Width)
Zero Delay Buffer IC 133MHz 1 8-SOIC (0.154", 3.90mm Width)
1. Substitution Conclusion for 2305-1HDCGI8
This part can serve as a direct replacement for the original part. The key differences are: the input level supports LVTTL (compatible with TTL but with a narrower voltage range), and the output supports CMOS, LVCMOS, and TTL standards simultaneously (whereas the original only supported TTL). Furthermore, its PLL features a bypass mode (a function not specified in the original datasheet). This results in broader compatibility, making it particularly suitable for mixed-level systems. The PLL bypass mode offers flexibility in the clock path—for instance, allowing the clock to bypass the PLL directly in low-power or test scenarios. However, it is important to note that if the input signal is traditional TTL, the LVTTL threshold compatibility should be verified. In most cases, direct compatibility is expected.
2. Substitution Conclusion for 2305A-1DCG8
This part also presents a viable direct replacement. Its technical specifications are identical to the 2305-1HDCGI8, including LVTTL input, multi-standard output (CMOS/LVCMOS/TTL), and a PLL with bypass capability. This indicates that the two are variants within the same product family, with no substantive difference in performance or functionality. The same considerations for substitution apply: verify the input level compatibility with the existing TTL signals, and leverage the PLL bypass function appropriately for system debugging or power optimization requirements.
Analysis ID: 886C-1F2A000
Based on part parameters and for reference only. Not to be used for procurement or production.
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