The new DS3690 from Maxim is a 3,3 V, bidirectional CMOS transmission gate.
Providing 26 independent channels that can be used for input, output, or I/O signal applications, this device is said to eliminate the signal-isolation problems associated with standard bus transceivers, and save both cost and board space in applications such as point-of-sale terminals, PIN pads, and cryptographic processors in which a downstream component must be isolated from an address or data bus in a timely manner.
Each of the channels consists of two pins. Because each channel is bidirectional, either of its pins can be used as the input pin for a unidirectional signal. A change in logic state on any one side of the channel is directly reflected on the opposite side of that channel.
Packaged in a lead-free, 5 mm x 11 mm x 0,8 mm, 56-pin TQFN, the DS3690 is fully specified over the -55°C to +85°C temperature range.
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