Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW
Classic stacking fun goes beyond the basics with these exciting Blocks! Each one has its own activities, movement, and smiling character on top—just press ’em down to start the fun. Or stack all three blocks and press the top one for a whole tower of “magical” motion! It’s fundamental play that enriches baby’s development—in a brilliant way. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-125-8233, indicating validated use in U.S.
HERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND PROGRAMMABLE AND INTERNALLY COMPENSATED AND DUAL EDGE TRIGGERED AND NEGATIVE EDGE TRIGGERED
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TRANSISTOR-TRANSISTOR LOGIC
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SOLID CONSTRUCTION
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CERAMIC AND GLASS
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-65.0 TO 125.0 CELSIUS DEGC
NSN
3040-00-125-8233
COMPONENT DIAGRAM
KEY FEATURES
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FSC APPLICATION DATA: TELEPHONE AND TELEGRAPH EQUIPMENT
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FREQUENTLY ASKED QUESTIONS
What is 74121?
74121 is a MICROCIRCUIT,DIGITAL manufactured by Fisher-Price.
What parts can replace 74121?
There are 6 known substitutes for 74121: 74-1-2-1, 19-031F00M00R00, 01-49018-76 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74121?
74121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-125-8233. This indicates validated use in U.S. government and defense supply chains.
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