MAX14982 All-In-One Ruggedized 5GT/s 2:1/1:2 PCIe Mux and Redriver with Equalization General Description Benefits and Features The MAX14982 integrates MUX and redriver functional- Fully Integrated for Ease of Use and Design ities, offering an all-in-one solution capable of switching Flexibility between multiple hosts or sinks and overcoming circuit- Capab le of Switching Between Multiple Hosts and board losses. The solution is ideal for switching and Sinks While Overcoming Board Losses redriving high-speed PCIe 5.0GT/s (Gigatransfers per Optimized for PCIe Gen II (5.0GT/s) Gen I second) signals and operates from a single +3.3V supply. (2.5GT/s) Compatible Three Levels of Independent Programmable Input The IC features bidirectional redrivers with built-in inde- Equalization and Output Deemphasis Up to 6bB pendent programmable equalization, output preemphasis, and boost that overcome transmission line noise while High Level of Performance to Overcome Noise in preserving signal integrity at the receiver. Lossy Channels Rando m Jitter: 0.5ps (typ) RMS The MAX14982 utilizes advanced power-saving tech- Deterministic Jitter: 20ps (typ) p-p niques where power consumption is reduced by entering Equali zation Permits Placement Up to 30in FR4 standby mode when no drive is connected. The device also features flow-through pin outs to simplify routing and Robust Solution for Harsh Environments increase layout flexibility. Industrial Temperature Rated: -40C to +85C 2.5kV Human Body Model (HBM) Protection on The MAX14982 is available in a space-saving, 42-pin All Pins 3.5mm x 9mm, TQFN package optimal reducing layout House d in a Flow-Through (3.5mm x 9.5mm) complexity as compared to stand-alone mux and redriver TQFN Package for Resistance to Vibrations/ solutions. The MAX14982 is specified over the -40C to Shocks +85C industrial operating temperature range. Applications Industrial/Embedded PCs Pin Configuration Ruggedized Server/Carrier Boards Test Equipment Medical Equipment TOP VIEW 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 PCIe is a registered trademark of PCI-SIG Corp. ODEB0 39 21 INEQB0 40 20 INEQB1 ODEB1 MAX14982 ODEA0 41 19 INEQA0 42 18 ODEA1 *EP INEQA1 + 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 TQFN *CONNECT EXPOSED PAD (EP) TO GND. Ordering Information appears at end of data sheet. 19-6717 Rev 1 1/15 V CC V CC INEQ1 GND INEQ0 OUTAP GND OUTAM INP GND INM OUTBP GND OUTBM SEL1 GND SEL2 RX DET EN GND GND INAP OUTP INAM OUTM GND INBP GND ODE1 INBM GND ODE0 V V CC CCMAX14982 All-In-One Ruggedized 5GT/s 2:1/1:2 PCIe Mux and Redriver with Equalization Absolute Maximum Ratings (Voltages referenced to GND.) Junction-to-Case Thermal Resistance V .......................................................................-0.3V to +4.0V (Note 2) .................................................................+2C/W CC JC All Other Pins (Note 1) ............................ -0.3V to (V + 0.3V) Junction-to-Ambient Thermal Resistance CC Continuous Current, IN P, IN M, OUT P, OUT M ..........30mA (Note 2) ...............................................................+29C/W JA Peak Current, IN P, IN M, OUT P, Operating Temperature Range ........................... -40C to +85C OUT M (for 10kHz, 1% duty cycle) ...........................100mA Junction Tempera ture Range ........................... -40C to +150C Continuous Power Dissipation (T = +70C) Storage Tempera ture Range ............................ -65C to +150C A 42-Pin TQFN (derate 34.5mW/C above +70C) ...... 2758mW Lead Temperatur e (soldering, 10s) .................................+300C Note 1: All I/O pins are clamped by internal diodes. Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Electrical Characteristics (V = +3.0V to +3.6V, C = 75nF coupling capacitor on each output, R = 50I on each output, T = -40C to +85C, unless other- CC CL L A wise noted. Typical values are at V = +3.3V and T = +25C.) (Note 3) CC A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DC PERFORMANCE Power-Supply Range V 3.0 3.6 V CC INEQ = ODE = GND 120 150 EN = V CC Supply Current I INEQ = ODE = V 160 205 mA CC CC EN = GND 50 Input Impedance, Differential Z DC 80 100 120 RX-DIFF-DC Output Impedance, Differential Z DC 80 100 120 TX-DIFF-DC Common-Mode Resistance to Z RX-HIGH- GND, Input Terminations Not V = V = -150mV to +200mV 50 k IN P IN M IMP-DC Powered Common-Mode Resistance to GND, Input Terminations Z DC 40 50 60 RX-DC Powered Output Short-Circuit Current I Single-ended (Note 4) 90 mA TX-SHORT V TX-CM-DC- Common-Mode Delta, Between -100 +100 mV ACTIVE-IDLE- Active and Idle States DELTA DC Output Offset, During Active V TX-ACTIVE- ABS(V - V ) -25 +25 mV OUT P OUT M State DIFF-DC DC Output Offset, During V TX-IDLE-DIFF- ABS(V - V ) -10 +10 mV OUT P OUT M Electrical Idle DC AC PERFORMANCE 0.05GHz < f 1.25GHz (Note 4) 10 Input Return Loss, Differential RL dB RX-DIFF 1.25GHz < f 2.5GHz (Note 4) 8 Maxim Integrated 2 www.maximintegrated.com