MAX9155 19-2213 Rev 0 10/01 Low-Jitter, Low-Noise LVDS Repeater in an SC70 Package General Description Features The MAX9155 is a low-voltage differential signaling Tiny SC70 Package (LVDS) repeater, which accepts a single LVDS input Ultra-Low Jitter and duplicates the signal at a single LVDS output. Its 23ps Added Deterministic Jitter low-jitter, low-noise performance makes it ideal for p-p 23 buffering LVDS signals sent over long distances or (2 -1 PRBS) noisy environments, such as cables and backplanes. 0.6ps Added Random Jitter RMS The MAX9155s tiny size makes it especially suitable for 0.5ns (min) Transition Time Minimizes Radiated minimizing stub lengths in multidrop backplane appli- Noise cations. The SC70 package (half the size of a SOT23) 200Mbps Guaranteed Data Rate allows the MAX9155 to be placed close to the connec- tor, thereby minimizing stub lengths and reflections on Fail-Safe Circuit Sets Output High for Undriven the bus. The point-to-point connection between the Inputs (Open, Terminated, or Shorted) MAX9155 output and the destination IC, such as an Low 10mA Supply Current FPGA or ASIC, allows the destination IC to be located at greater distances from the bus connector. Low 6mA Supply Current in Fail-Safe Ultra-low, 23ps added deterministic jitter and p-p Conforms to ANSI/EIA/TIA-644 LVDS Standard 0.6ps added random jitter ensure reliable commu- RMS nication in high-speed links that are highly sensitive to High-Impedance Inputs and Outputs in timing errors, especially those incorporating clock-and- Power-Down Mode data recovery, PLLs, serializers, or deserializers. The MAX9155s switching performance guarantees a 200Mbps data rate, but minimizes radiated noise by guaranteeing 0.5ns minimum output transition time. Ordering Information The MAX9155 has fail-safe circuitry that sets the output high for undriven open, short, or terminated inputs. TO P PIN- PART TEMP. RANGE PAC K A G E The MAX9155 operates from a single +3.3V supply and M ARK consumes only 10mA over a -40C to +85C tempera- MAX9155EXT-T -40C to +85C 6 SC70-6 ABC ture range. Refer to the MAX9129 data sheet for a quad bus LVDS driver, and to the MAX9156 data sheet for a low-jitter, low-noise LVPECL-to-LVDS level translator in an SC70 package. Applications Pin Configuration Cellular Phone Base Stations TOP VIEW DSLAMs Digital Cross-Connects MAX9155 Add/Drop Muxes OUT- 1 6 OUT+ Network Switches/Routers Multidrop Buses GND 2 5V CC Cable Repeaters IN-34 IN+ Typical Operating Circuit appears at end of data sheet. SC70 Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.Low-Jitter, Low-Noise LVDS Repeater in an SC70 Package ABSOLUTE MAXIMUM RATINGS V to GND...........................................................-0.3V to +4.0V Storage Temperature Range .............................-65C to +150C CC IN+, IN- to GND.....................................................-0.3V to +4.0V Junction Temperature......................................................+150C OUT+, OUT- to GND .............................................-0.3V to +4.0V Operating Temperature Range ...........................-40C to +85C Short-Circuit Duration (OUT+, OUT-).........................Continuous ESD Protection Continuous Power Dissipation (T = +70C) Human Body Model, IN+, IN-, OUT+, OUT- ....................8kV A 6-Pin SC70 (derate 3.1mW/C above +70C)..............245mW Lead Temperature (soldering, 10s) .................................+300C 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. DC ELECTRICAL CHARACTERISTICS (V = +3.0V to +3.6V, R = 100 1%, V = 0.05V to 1.2V, V = V / 2 to 2.4V - V / 2 , T = -40C to +85C, unless otherwise CC L ID CM ID ID A noted. Typical values are at V = +3.3V, T = +25C.) (Notes 1, 2) CC A PARAMETER SYMBOL CONDITIONS MIN TYP MAX U N I T S LVDS INPUT Differential Input High Threshold V 750 mV TH Differential Input Low Threshold V -50 -7 mV TL 0.05V V 0.6V -15 -2.5 15 ID Input Current I , I A IN+ IN- 0.6V< V 1.2V, -20 -3.5 20 ID 0.05V V 0.6V, V = 0 -15 1.3 15 ID CC Power-Off Input Current I , I A IN+ IN- 0.6V < V 1.2V, V = 0 -20 2.6 20 ID CC Input Resistor 1 R V = +3.6V or 0, Figure 1 67 232 k IN1 CC Input Resistor 2 R V = +3.6V or 0, Figure 1 267 1174 k IN2 CC LVDS OUTPUT Differential Output Voltage V Figure 2 250 360 450 mV OD Change in V Between OD V Figure 2 0.008 25 mV OD Complementary Output States Offset (Common-Mode) Voltage V Figure 2 1.125 1.25 1.375 V OS Change in V for OS V Figure 2 0.005 25 mV OS Complementary Output States Output High Voltage V 1.44 1.6 V OH Output Low Voltage V 0.9 1.08 V OL Fail-Safe Differential Output IN+, IN- shorted, open, or parallel V +250 +360 +450 mV OD+ Voltage terminated O U T+ = 3.6V, other ou tput op en -10 0.02 10 Power-Off Output Leakage IO V = 0 A OFF CC Current O U T- = 3.6V, other ou tput op en -10 0.02 10 Differential Output Resistance RO V = +3.6V or 0 100 260 400 DIFF CC V = +50mV, OUT+ = GND -5 -15 ID Output Short Current I mA SC V = -50mV, OUT- = GND -5 -15 ID POWER SUPPLY Supply Current I Output loaded 10 15 mA CC Supply Current in Fail-Safe I Output loaded, input undriven 6 8 mA CCF 2 MAX9155