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Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Anyone knows what does the date code CDRA refer to for National Semiconductor part: LM2904M? Please advise. Thanks.
And what about the date code of MM74HCT138M having P43SB?
PLease advise. Thanks.
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