TS-1990A-F5 Touch Memory Buttons are electronic memory chips contained in small water-resistant,water-resistant stainless steel canister. All Touch Memory Buttons (TM card, iButton) contain a unique ID number that is unalterable and identifies each button. The Touch Memory Button's stainless steel container protects the memory chip and provides an electrical path for communication with all kinds of touch memory reader. The top of button is connected to the enclosed memory chip circuit, and the bottom and sides provide a signal ground. When you touch a button with touch memory reader, an electrical connection is established data is transferred instaneously. You can attach buttons to virtually anything by using permanent adhesive pads, mounting brackets, or key ring tabs.
TS1990A-F5 iButton is compatible with DS1990A-F5 and other kinds of read only information button or touch memory button based on 1-Wire technology(Powered by Maxim and Dallas).
You can print your own LOGO in your touch memory buttons and also can customize special family code or data code of the chipID.
We also can provide you all kinds of keyfods, brackets and holders.