74189 RAM PDF

Part Number, Number of Items, 2. Brand Name, MAJOR BRANDS. Item Weight, Material, Aluminum. UNSPSC Code, IC RAM IC type is a 16 * 4 RAM. The internal logic is similar to the circuit shown in Fig. for a 4 * 4 RAM. The pin assignments to the inputs and outputs . The random access memory (RAM) stores the program the computer is executing 74LS 4-bit D register · bit RAM · 74LS 8-bit bus transceiver.

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74189 RAM 16 x 4 con salida de 3 estados

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Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register.

Click here to register now. For a better experience, please enable JavaScript in your browser before proceeding. Thread starter earlbesario Start date Oct 2, Papabravo Well-Known Member Oct 2, In my 40 plus years in the business I don’t think I’ve ever seen that despite using the part on numerous occasions.


Here is what I imagine. It’s neither elegant, nor efficient but it does perform the function. If you’re after some memory pull some cache chips from an old They’re SRAM, 32KB each, and while you’d never need it all eam can easily only use the first 3 address bits data is accessed 8 bits at a time and ignore the rest.

Papabravo Well-Known Member Oct 10, It’s not clear from the original post that the goal is to use a 74LS in a circuit. Notice once again that the original poster seldom returns.

Notice also that the identical post has occurred on multiple forums.

(PDF) 74189 Datasheet download

Of course you need it ASAP. But you’re likely to never get a response with large bold messages. Hero Banned Aug 29, Are these guys all members of the same class, or worse, team in a class?

Just look at the date of the 71489 I’m usually pretty good at spotting such “revivals”, but this one escaped. You must log in or register to reply here.


RAM 16 x 4 con salida de 3 estados | xcs32h | Flickr

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