• June 19, 2019

JM/B2A. ACTIVE. LCCC. FK. 1. TBD. POST-PLATE. N / A for Pkg Type. to JM/. B2A. JM/BEA. SN74LSA. (ACTIVE) Hex Bus Drivers With 3-State Outputs. Datasheet ( KB). Description click to collapse contents. These Hex buffers and line drivers. 74LS datasheet, 74LS circuit, 74LS data sheet: TI – HEX BUS DROVERS WITH 3-STATE OUTPUTS,alldatasheet, datasheet, Datasheet search site.

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74LS367 Hex Buffer Tri-State

Prices are subject to change without notice. But it runs, and pretty well too, I’m going to EFI it soon. At the very least I can use it to go through the vast array of customs I have from other boards, if I can separate the datasjeet ones from the workers I could save myself a lot of headaches. This item will ship to United Statesbut the datasjeet has not specified shipping options.

National Semiconductor

The board booted and reset, booted and reset. See terms – opens in a new window or tab. This does reduce the drive current slightly, and the 1NB ‘s also introduce some small amount of capacitance not specified in the datasheet which will slow down fast transitions slightly. Am working blind again, as I have yet to get a correctly working set I cant really rule out anything.


If so, how much current? If they are unstable that may well be where to start looking for the problem Am chasing my tail I think. What is odd is that all the s seem to be doing it, and yet the game boots up and plays. Learn more – opens in new window or tab.

Learn More – opens in a new window or tab Any international shipping and import charges dataeheet paid in part to Pitney Bowes Inc. Post as a guest Name. Learn More – opens in a new window or tab Any international shipping is paid in part to Pitney Bowes Inc.


Sign up or log in Sign up using Google. Put the fragile custom chips in another machine pin socket and solder them in. Added even more information.

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I know your knowledge will be most welcome here. Function over form I say. The problem is probably errors in multiplexed data rather than something missing. This is a bit of a thinking-aloud post as its clear I need to replace thatI am just troubled that its just one-of-many doing the same thing, and yet the board seems mostly happy, if they 7l4s367 all crappy the whole bus would be affected. New other see details: Select a valid country.


Decided to back track a bit, the only two chips I had been working around recently where the 54xx and the 06xx chip, the 54xx was now totally off the board so I went round the 06xx with the scope, as soon as I hit pin 13 the board totally crapped out. This should 74s367 whether the problem is with the or another chip on the bus. Either that chip is bad, the socket it’s in is bad, or something TTL-related connected to it is bad or there’s a broken track connecting that chip to something else, or a shorted track.

74LS Datasheet PDF –

Now I have a known good working CPU board and Video board I might be able to make some progress with the stack of faulty ones I have here. Watch list is full. The seller will not accept returns for this item. Standard Shipping from outside US.