MAX9377/MAX9378 19-2846 Rev 1 7/03 Anything-to-LVPECL/LVDS Translators with Pin-Selectable Divide-by-Four General Description Features The MAX9377/MAX9378 are fully differential, high- Guaranteed 2GHz Switching Frequency speed, low-jitter anything-to-LVPECL and anything-to- Accept LVDS/LVPECL/Anything Inputs LVDS translators, respectively, with a selectable divide-by-four function. Low propagation delay and Pin-Selectable Divide-by-Four Function high speed make them ideal for various high-speed 421ps (typ) Propagation Delays (MAX9377) network routing and backplane applications at speeds up to 2GHz in nondivide mode. 30ps (max) Pulse Skew The MAX9377/MAX9378 accept any differential input 2ps (max) Random Jitter RMS signal within the supply rails and with minimum ampli- tude of 100mV. Inputs are fully compatible with the Minimum 100mV Differential Input to Guarantee LVDS, LVPECL, HSTL, and CML differential signaling AC Specifications standards. The MAX9377 outputs are LVPECL and Temperature-Compensated LVPECL Output have sufficient current to drive 50 transmission lines. The MAX9378 outputs are LVDS and conform to the +3.0V to +3.6V Power-Supply Operating Range ANSI EIA/TIA-644 LVDS standard. ESD Protection: >2kV Human Body Model (HBM) The MAX9377/MAX9378 are available in 8-pin MAX packages and operate from a single +3.3V supply over the -40C to +85C temperature range. Applications Ordering Information Backplane Logic Standard Translation PART TEMP RANGE PIN-PACKAGE LAN MAX9377EUA -40C to +85C 8 MAX MAX9378EUA -40C to +85C 8 MAX WAN DSLAM DLC Pin Configuration Functional Diagram TOP VIEW RST SEL SEL 1 8 V CC 4 LVDS/ANY LVPECL (MAX9377) IN 2 7 OUT OR LVDS (MAX9378) IN 3 6 OUT GND 4 5 RST MAX9377 MAX9378 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.Anything-to-LVPECL/LVDS Translators with Pin-Selectable Divide-by-Four ABSOLUTE MAXIMUM RATINGS V to GND...........................................................-0.3V to +4.1V Junction Temperature......................................................+150C CC Inputs (IN, IN, RST, SEL)............................-0.3V to (V + 0.3V) Storage Temperature Range .............................-65C to +150C CC IN to IN................................................................................3.0V ESD Protection Short-Circuit Duration (MAX9378 OUT, OUT)............Continuous Human Body Model (IN, IN, OUT, OUT) ..............................2kV Continuous Output Current.................................................50mA Soldering Temperature (10s)...........................................+300C Surge Output Current .......................................................100mA Continuous Power Dissipation (T = +70C) A 8-MAX (derate 5.9mW/C above +70C) ...............470.6mW in Still Air...........................................................+170C/W JA 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, differential input voltage V = 0.1V to 3.0V, input voltage (V , V ) = 0 to V , input common-mode voltage CC ID IN IN CC V = 0.05V to (V - 0.05V), LVPECL outputs terminated with 50 1% to (V - 2.0V), LVDS outputs terminated with 100 1%, CM CC CC T = -40C to +85C. Typical values are at V = +3.3V, V = 0.2V, input common-mode voltage V = 1.2V, T = +25C, unless A CC ID CM A otherwise noted.) (Notes 1, 2, 3) -40C +25C +85C PARAMETER SYMBOL CONDITIONS UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX LVCMOS/LVTTL INPUTS (RST, SEL) Input High V 2.0 V 2.0 V 2.0 V V IH CC CC CC Voltage Input Low Voltage V GND 0.8 GND 0.8 GND 0.8 V IL Input High Current I V = V or 2V 0 150 0 150 0 150 A IH IN CC Input Low Current I V = 0 or 0.8V -20 +20 -20 +20 -20 +20 A IL IL DIFFERENTIAL INPUTS (IN, IN) Differential Input V -100 6 +100 -100 6 +100 -100 6 +100 mV THD Threshold Input Current I , I V , V = V or 0V -20 +20 -20 +20 -20 +20 A IN IN IN IN CC Input Common- V - V - V - CC CC CC V Figure 1 0.05 0.05 0.05 V CM Mode Voltage 0.05 0.05 0.05 LVPECL OUTPUTS (OUT, OUT) (MAX9377) Single-Ended V - V - V - V - V - V - V - V - V - CC CC CC CC CC CC CC CC CC Output High V Figure 3 V OH 1.085 1.033 0.880 1.025 0.992 0.880 1.025 0.978 0.880 Voltage Single-Ended V - V - V - V - V - V - V - V - V - CC CC CC CC CC CC CC CC CC Output Low V Figure 3 V OL 1.830 1.755 1.620 1.810 1.717 1.620 1.810 1.699 1.620 Voltage Differential Output V - OH Figure 3 595 725 595 725 595 725 mV Voltage V OL LVDS OUTPUTS (OUT, OUT) (MAX9378) Differential Output V Figure 2 250 370 450 250 363 450 250 348 450 mV OD Voltage 2 MAX9377/MAX9378