I am pretty new to electronics but so I've been doing a lot of reading and whatnot. I have a question I can't seem to find any information on. I am modding a handheld device (the device in question isn't important) and this involves soldering to several spots on the motherboard which are DAT0, DAT1, Dat2, Dat3, GND, CLK & SMD (these grant access to the internal storage nand chip).
Each of these connections are their own wire (7 wires total) that all lead to an SD Card reader PCB. The problem is, I want to be able to turn on/off all 7 connections using just one switch, because when these wires are soldered to the SD Card reader PCB, the device boots into a special recovery mode, but I only want the device to boot into that recovery mode when a single switch is flipped on. I need a way to break the connection on each wire in between the device's motherboard and the SD Card Reader PCB (and be able to connect them up again using a single switch). I think that would be so cool!
I've considered using a series of small surface mounted solid state relays in parallel, wiring each of the 7 connections through the collector and emitter side of each relay. However, I'm seeing that solid state relays are typically used to close a circuit with a higher voltage, like 60V or something even higher. Are solid state relays ever used for data connections on the collector and emitter side? Would using a solid state relay somehow ruin the flow of data from the device's motherboard to the SD Card reader's PCB? I'm not asking anyone to come up with a schematic or anything, but if there's some other kind of small smd component that would suit this task better, please let me know!
Also, please keep in mind I need these components to be small enough to fit in an area about 4mm high! I would totally use mechanical relays, but those are far too big!
Sorry if this post is confusing, I was too tired to sketch out something, but if that would help I'd be glad to do it as well as answer any other questions you may have. Thank you for taking the time to read!