LTC4314IUDC#PBF, Multiplexer Switch ICs Pin-Sel, 4-Ch, 2-Wire Multxer w/ Bus Buf

LTC4314 is a pin-selectable, 4-channel, 2-wire multiplexer with bus buffer. It allows one upstream bus to connect to any combination of downstream busses or channels. An individual enable pin controls each connection. This device provides bidirectional buffering, keeping the upstream bus capacitance isolated from the downstream bus capacitances. The hot-swappable nature of the device allows I/O card insertion into, and removal from, a live backplane without corruption of the data and clock busses. It is widely used in application such as telecommunications systems including ATCA, address expansion, level translator, capacitance buffers/bus extender, live board insertion, PMBus etc.

• Bidirectional buffer for SDA and SCL lines
• High noise margin with VIL = 0.3VCC
• ENABLE pins connect SDA and SCL lines
• Selectable rise time accelerator current and activation voltage
• Stuck bus disconnect and recovery
• ±4KV human body model (HBM) ESD ruggedness
• Input supply voltage is 2.9V to 5.5V
• Level shift 1.5V, 1.8V, 2.5V, 3.3V and 5V busses
• Operating temperature is -40°C to 85°C
• Packaging style is 20-lead QFN