A product Line of Diodes Incorporated PI3L720 2:1 Mux/DeMux Gigabit Ethernet LAN Switch with Power-down Mode Description Features The PI3L720 is a 8-Channel 2:1 multiplexer/demultiplexer LAN 1:2 Gigabit LAN Switch Switch with Hi-Z outputs. Industry leading advantages include a Power-down support propagation delay of less than 250ps, resulting from its low channel Low bit-to-bit skew: 200ps resistance and I/O capacitance. The device multiplexes differential Very Low Crosstalk: 75dB 250MHz outputs from a Gigabit Ethernet transceiver (PHY) device to one Status Indicator LEDs Switched with Ethernet pairs of two corresponding B or C outputs. The switch is bidirectional V Operating Range: +3.0V to +3.6V DD and offers little or no attenuation of the high-speed signals at the Enhanced ESD Protection (on A, B, C, LED pins): outputs. It is designed for low bit-to-bit skew, high channel-to- (1) 8kV (contact) channel noise isolation and is compatible with various standards, 1.0kV (machine model), such as 10/100/1000 Base-T (Ethernet). 11kV (human body model) The PI3L720 provides a Power Down input (PD), which can put >650 MHz bandwidth the device into standby mode (PD=1) while mobile, eliminating Packaging: an external power switch. 42-contact TQFN (3.5 x 9mm, 0.5 pitch) Generally, this part can be used to replace mechanical relays in low-voltage LAN applications that interface a physical layer over CAT 5 or CAT 6 unshielded twisted pair cable through an isolation transformer. Applications Block Diagram Dual Physical Layer Device sharing to one interface connector, or one controller to dual connectors for docking A0+ B0+ Routes signals for 10/100/1000 Mbit Ethernet B0- A0- C0+ C0- Truth Table A3+ B3+ PD SEL Function A3- B3- L L A to B LEDA to LEDB X X X X C3+ L H A to C LEA to LEDC X X X X C3- H x Hi-Z LED A0 LED B0 Note: LED C0 1. IEC 6100-4-2 LED LED B1 A1 LED C1 LED B2 LED A2 LED C2 SEL POWER PD DOWN All trademarks are property of their respective owners. www.diodes.com 01/12/17 17-0005 1A product Line of Diodes Incorporated PI3L720 Pin Configuration (42-TQFN ZH, Top-Side View) 1 38 V B0+ DD 2 37 A0+ B0- 3 36 A0- C0+ 4 35 V C0- DD 5 34 PD B1+ 6 33 A1+ B1- 7 32 A1- C1+ 8 31 V C1- DD GND 9 30 A2+ VDD 10 29 A2- B2+ 11 28 A3+ B2- 12 27 A3- C2+ 13 26 SEL C2- 14 25 V DD B3+ 15 24 LEDA0 B3- 16 23 LEDA1 C3+ 17 22 LEDB0 C3- Pin Description Pin Name Description A +, A - Port A DeMux I/O X X B +, B - Port B Mux I/O X X C +, C - Port C LED Mux I/O X X GND Ground LED LED I/O ZX PD Power Down. Active high, with internal pull-down resistor SEL Select V Power DD All trademarks are property of their respective owners. www.diodes.com 01/12/17 17-0005 2 18 42 LEDB1 LEDA2 19 41 LEDC0 LEDB2 40 20 LEDC1 LEDC2 21 39 VDD V DD