PI3L720ZHEX

A product Line of Diodes Incorporated PI3L720 2:1 Mux/DeMux Gigabit Ethernet LAN Switch with Power-down Mode Features Description • • • • • • • • • The PI3L720 is a 8-Channel 2:1 multiplexer/demultiplexer LAN Switch with Hi-Z outputs. Industry leading advantages include a propagation delay of less than 250ps, resulting from its low channel resistance and I/O capacitance. The device multiplexes differential outputs from a Gigabit Ethernet transceiver (PHY) device to one of two corresponding B or C outputs. The switch is bidirectional and offers little or no attenuation of the high-speed signals at the outputs. It is designed for low bit-to-bit skew, high channel-tochannel noise isolation and is compatible with various standards, such as 10/100/1000 Base-T (Ethernet). 1:2 Gigabit LAN Switch Power-down support Low bit-to-bit skew: 200ps Very Low Crosstalk: –75dB @ 250MHz Status Indicator LEDs Switched with Ethernet pairs VDD Operating Range: +3.0V to +3.6V Enhanced ESD Protection (on A, B, C, LED pins): – 8kV (contact)(1) – 1.0kV (machine model), 11kV (human body model) >650 MHz bandwidth Packaging: – 42-contact TQFN (3.5 x 9mm, 0.5 pitch) The PI3L720 provides a Power Down input (PD), which can put the device into standby mode (PD=1) while mobile, eliminating an external power switch. 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 A0+ B0+ A0- B0- • Dual Physical Layer Device sharing to one interface connector, or one controller to dual connectors for docking • Routes signals for 10/100/1000 Mbit Ethernet C0+ C0- A3+ B3+ A3- B3- Truth Table C3+ C3- LEDA0 LEDB0 PD SEL Function L L AX to BX; LEDAX to LEDBX L H AX to CX; LEAX to LEDCX H x Hi-Z Note: 1. IEC 6100-4-2 LEDC0 LEDB1 LEDA1 LEDC1 LEDB2 LEDA2 LEDC2 SEL PD POWER DOWN All trademarks are property of their respective owners. 17-0005 1 www.diodes.com 01/12/17 A product Line of Diodes Incorporated PI3L720 LEDA2 LEDB2 LEDC2 VDD 41 40 39 38 B0+ 2 37 3 36 4 35 B0C0+ C0- 5 34 6 33 7 32 8 31 GND B1+ B1C1+ C1- 30 VDD 10 29 B2+ B2C2+ C2B3+ B3C3+ C3- 9 23 17 22 21 24 16 VDD 25 15 20 26 14 LEDC1 27 13 19 28 18 11 12 LEDB1 VDD LEDA0 LEDA1 LEDB0 1 LEDC0 VDD A0+ A0VDD PD A1+ A1VDD A2+ A2A3+ A3SEL 42 Pin Configuration (42-TQFN ZH, Top-Side View) Pin Description Pin Name Description AX+, AX- Port A DeMux I/O BX+, BX- Port B Mux I/O CX+, CX- Port C LED Mux I/O GND Ground LEDZX LED I/O PD Power Down. Active high, with internal pull-down resistor SEL Select VDD Power All trademarks are property of their respective owners. 17-0005 2 www.diodes.com 01/12/17 A product Line of Diodes Incorporated PI3L720 Maximum Ratings (Above which useful life may be impaired. For user guidelines, not tested.) Storage Temperature......................................................... –65°C to +150°C Supply Voltage to Ground Potential ............................ –0.5V to +4.0V DC Input Voltage................................................................. –0.5V to +5.5V DC Output Current........................................................................... 120mA Power Dissipation............................................................................... 0.5W Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. DC Electrical Characteristics for 1000 Base-T Ethernet Switching over Operating Range (TA = –40°C to +85°C, VDD = 3.3V ±10%) Paramenter Description Test Conditions(1) Min. Typ.(2) Max. VIH Input HIGH Voltage Guaranteed HIGH level (Control Pins) 2.0 – – VIL Input LOW Voltage Guaranteed LOW level (Control Pins) –0.5 – 0.8 VIK Clamp Diode Voltage VDD = Max., IIN = –18mA – –0.7 –1.2 IIH Input HIGH Current VDD = Max., VIN = VDD – – ±2 IIL Input LOW Current VDD = Max., VIN = GND – – ±2 RON Switch On-Resistance(3) VDD = Min., 1.5V ≤ VIN ≤ VDD IIN = –40mA – 4.0 6.5 RFLAT(ON) On-Resistance Flatness(3) VDD = Min., VIN @ 1.5V and VDD IIN = –40mA – 0.5 – ΔRON On-Resistance match from center VDD = Min., 1.5V ≤ VIN ≤ VDD ports to any other port(3) IIN = –40mA – 0.4 1.0 Units V µA Ohm DC Electrical Characteristics for 10/100 Base-T Ethernet Switching over Operating Range (TA = –40°C to +85°C, VDD = 3.3V ±10%) Paramenter Description Test Conditions(1) Min. Typ.(2) Max. VIH Input HIGH Voltage Guaranteed HIGH level (Control Pins) 2.0 – – VIL Input LOW Voltage Guaranteed LOW level (Control Pins) –0.5 – 0.8 VIK Clamp Diode Voltage VDD = Max., IIN = –18mA – –0.7 –1.2 IIH Input HIGH Current VDD = Max., VIN = VDD – – ±2 IIL Input LOW Current VDD = Max., VIN = GND – – ±2 RON Switch On-Resistance(3) VDD = Min., 1.25V ≤ VIN ≤ VDD IIN = –10mA to –30mA – 4.0 6.5 RFLAT(ON) On-Resistance Flatness(3) VDD = Min., VIN @ 1.25V and VDD IIN = –10mA to –30mA – 0.5 – ∆RON On-Resistance match from cen- VDD = Min., 1.25V ≤ VIN ≤ VDD IIN = ter ports to any other port(3) –10mA to –30mA – 0.4 1.0 All trademarks are property of their respective owners. 17-0005 3 Units V µA Ohm www.diodes.com 01/12/17 A product Line of Diodes Incorporated PI3L720 Capacitance(TA = –40°C to +85°C, VDD = 3.3V ±10%) Parameters(4) Description CIN Input Capacitance COFF(B1, B2) Port B Capacitance, Switch OFF CON(A/B) A/B Capacitance, Switch ON Test Conditions(1) Min. VIN = 0V, f = 1MHz Typ. Max. 2.0 3.0 3.0 6.0 8.0 11.0 Units pF Notes: 1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VDD = 3.3V, Ta = 25°C ambient and maximum loading. 3. Measured by the voltage drop between A and B pins at indicated current through the switch. ON resistance is determined by the lower of the voltages on the two (A & B) pins. 4. This parameter is determined by device characterization but is not production tested. Power Supply Characteristics Parameters IDD-Standby(3) IDD-Active(3) IDD-PD(3) Test Conditions(1) Description Min. Typ.(2) Max. Units — 0.3 0.5 mA Quiescent Power Supply Current VDD = Max., VIN = GND or VDD Active Power Supply Current VDD = Max., VIN = VDD or GND 1.0 1.5 mA Power Down Current PD = 1, VDD = MAX, VIN = VDD or GND 0.15 0.25 mA Notes: 1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VDD = 3.3V, Ta = 25°C ambient and maximum loading.. 3. Active power represents normal data communication. Standby power is when the device is enabled for operation but there is no LAN traffic (cable not connected). Power down current is the minimum power state used when not connected and mobile. 4. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load capacitance. The time constant for the switch alone is of the order of 0.25ns for 10pF load. Since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in a system is determined by the driving circuit on the driving side of the switch and its interactions with the load on the driven side. Dynamic Electrical Characteristics Over the Operating Range (TA = –40°C to +85°C, VDD = 3.3V ±10%) Parameter XTALK Crosstalk(3) OIRR OFF BW Test Conditions(1) Description RL = 100-Ohm, f = 250MHz Isolation(3) Bandwidth –3dB(3) RL = 100-Ohm Min. Typ.(2) Max. — –75 — — –35 — — 650 — Units dB MHz Notes: 1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VDD = 3.3V, Ta = 25°C ambient and maximum loading.. 3. Guaranteed by design. 4. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load capacitance. The time constant for the switch alone is of the order of 0.25ns for 10pF load. Since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in a system is determined by the driving circuit on the driving side of the switch and its interactions with the load on the driven side. All trademarks are property of their respective owners. 17-0005 4 www.diodes.com 01/12/17 A product Line of Diodes Incorporated PI3L720 Switching Characteristics (TA = -40°C to +85°C, VDD = 3.3V ± 10%) Min. Typ.(2) tPD Propagation Delay(3,4) – 0.25 tPZH, tPZL Line Enable Time - SEL to AN, BN 0.5 – 15.0 tPHZ, tPLZ Line Disable Time - SEL to AN, BN 0.5 – 5.0 tSK(o) Output Skew between center port to any other – 0.1 0.2 – 0.1 0.2 100 200 Paramenter Description port(3) tSK(p) Skew between opposite transitions of the same output (tPHL - tPLH) (3) tON/OFF Device enable / disable time from PD Max. Units ns Notes: 1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VDD = 3.3V, Ta = 25°C ambient and maximum loading.. 3. Guaranteed by design. 4. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load capacitance. The time constant for the switch alone is of the order of 0.25ns for 10pF load. Since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in a system is determined by the driving circuit on the driving side of the switch and its interactions with the load on the driven side. All trademarks are property of their respective owners. 17-0005 5 www.diodes.com 01/12/17 A product Line of Diodes Incorporated PI3L720 Test Circuit for Electrical Characteristics Switch Positions Test 2.4 V VDD Switch tPLZ, tPZL (output on B-side) 6.0V tPHZ, tPZH (output on B-side) GND Prop Delay Open 200-ohm Pulse Generator VIN SEL D.U.T VOUT 4pF CL RT 200-ohm Notes: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator Test Circuit for Dynamic Electrical Characteristics HP8753ES S1 VDD T1 D.U.T HP11667A All trademarks are property of their respective owners. R1 17-0005 10pF 6 50-Ohm www.diodes.com 01/12/17 A product Line of Diodes Incorporated PI3L720 Switching Waveforms SEL VDD/2 3.5V 2.5V Input tPHL 1.5V Output 1 VOH Output 2.5V VDD 0V 2.5V tPLH VDD/2 tPZL tPLZ VOL VOL + 0.15V tPHZ tPZH 2.5V VOH=VP VSwing/2 VOH - 0.15V VSwing/2 Output 2 VOL VOH=VP VOL Voltage Waveforms Enable and Disable Times Voltage Waveforms Propagation Delay Times 3.5V 2.5V Data In tPLHX 1.5V tPHLX 3.5V VOH Data Out at Channel X I tSK(o) tPLH VOL 1.5V 2.5V Output 2.5V VOL VOL tPLHy tPHL VOH VOH Data Out at Channel Y 2.5V Input 2.5V tSK(p) = I tPHL – tPLH I tPHLy tSK(o) = I tPLHy – tPLHx I or I tPHLy – tPHLx I Pulse Skew - tSK(p) Output Skew - tSK(o) Notes: Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. All input impulses are supplied by generators having the following characteristics: PRR ≤ MHz, ZO = 50-Ohm, tR ≤ 2.5ns, tF ≤ 2.5ns. Applications Information Logic Inputs The logic control inputs can be driven up to +3.6V regardless of the supply voltage. For example, given a +3.3V supply, the output enables or select pins may be driven low to 0V and high to 3.6V. Driving IN Rail-to-Rail® minimizes power consumption. Power-Supply Sequencing Proper power-supply sequencing is advised for all CMOS devices. It is recommended to always apply VDD before applying signals to the input/output or control pins. Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd All trademarks are property of their respective owners. 17-0005 7 www.diodes.com 01/12/17 A product Line of Diodes Incorporated PI3L720 Packaging Mechanical: 42-Contact TQFN (ZH) 16-0161 Note: For latest package info, please check: http://www.pericom.com/support/packaging/packaging-mechanicals-and-thermal-characteristics/ Ordering Information Ordering Number Package Code Package Description PI3L720ZHE ZH 42-contact, Very Thin Quad Flat No-Lead (TQFN) PI3L720ZHEX ZH 42-contact, Very Thin Quad Flat No-Lead (TQFN), Tape & Reel Notes: • Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ • E = Pb-free & Green • Adding an X suffix = Tape/Reel All trademarks are property of their respective owners. 17-0005 8 www.diodes.com 01/12/17 A product Line of Diodes Incorporated PI3L720 IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 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