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Can You Replace an SPI Flash Chip? A Compatibility Checklist
You can replace an SPI NOR flash chip with a different part, but matching capacity and package is not enough to establish compatibility. The replacement must work with the board’s electrical connections and with the commands, settings and startup sequence used by its firmware. Perhaps the original part is unavailable. Perhaps a supplier has offered...
Toggle Switch Types: SPST, SPDT and DPDT Explained
Two toggle switches can look almost identical from the front of a control panel and do completely different jobs behind it. One simply opens a circuit. Another selects between two connections. A third changes two separate circuits together. The main toggle switch types are SPST, SPDT and DPDT. SPST opens or closes one circuit, SPDT...
LM224DR2G Stock, Datasheet & Alternatives: LM324 and LM2902 Replacement Guide
LM224DR2G Stock, Datasheet & Alternatives: LM324 and LM2902 Replacement Guide Quick answer: LM224DR2G is an onsemi single-supply quad operational amplifier in a SOIC-14 package. Buyers usually search for LM224DR2G when they need stock, datasheet details, lead time, package confirmation or possible alternatives such as LM324DR2G and LM2902DR2G. Before purchasing or replacing this part, always confirm...
ADG411 vs ADG412: Key Differences and Replacement Checks
You have an ADG411 on the BOM, but the quotation comes back with ADG412. The names look almost identical, and both are described as quad SPST analog switches. Is the second part an acceptable replacement? The main difference between ADG411 and ADG412 is their control polarity: ADG411 turns a switch on with a logic-low input,...
1.8V vs 3.3V SPI Flash: Can You Replace One with the Other?
A replacement flash chip can look right, fit the board and still be the wrong part. When an existing memory device becomes difficult to source, it is tempting to choose another serial flash with a similar name or package. The supply voltage is one of the first reasons to stop and check. A 1.8V SPI...
