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SM65MLVD203D Folha de dados(PDF) 1 Page - Texas Instruments |
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SM65MLVD203D Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 26 page 1 FEATURES APPLICATIONS DESCRIPTION 4 3 1 2 DE D RE R 6 7 A B LOGIC DIAGRAM (POSITIVE LOGIC) 5 4 2 3 DE D RE R 12 11 A B 10 9 Y Z SN65MLVD203, SN65MLVD207 SN65MLVD201, SN65MLVD206 SN65MLVD201, SN65MLVD203 SN65MLVD206, SN65MLVD207 SLLS558C – DECEMBER 2002 – REVISED JANUARY 2007 www.ti.com MULTIPOINT-LVDS LINE DRIVER AND RECEIVER • Low-Power High-Speed Short-Reach • Low-Voltage Differential 30-Ω to 55-Ω Line Alternative to TIA/EIA-485 Drivers and Receivers for Signaling Rates(1) • Backplane or Cabled Multipoint Data and Up to 200 Mbps Clock Transmission • Type-1 Receivers Incorporate 25 mV of • Cellular Base Stations Hysteresis • Central-Office Switches • Type-2 Receivers Provide an Offset (100 mV) • Network Switches and Routers Threshold to Detect Open-Circuit and Idle-Bus Conditions • Meets or Exceeds the M-LVDS Standard TIA/EIA-899 for Multipoint Data Interchange The SN65MLVD201, 203, 206, and 207 are multipoint-low-voltage differential (M-LVDS) line • Controlled Driver Output Voltage Transition drivers and receivers, which are optimized to operate Times for Improved Signal Quality at signaling rates up to 200 Mbps. All parts comply • -1 V to 3.4 V Common-Mode Voltage Range with the multipoint low-voltage differential signaling Allows Data Transfer With 2 V of Ground Noise (M-LVDS) standard TIA/EIA-899. These circuits are similar to their TIA/EIA-644 standard compliant LVDS • Bus Pins High Impedance When Disabled or counterparts, with added features to address VCC ≤ 1.5 V multipoint applications. The driver output has been • 100-Mbps Devices Available (SN65MLVD200A, designed to support multipoint buses presenting 202A, 204A, 205A) loads as low as 30 Ω, and incorporates controlled • M-LVDS Bus Power Up/Down Glitch Free transition times to allow for stubs off of the backbone transmission line. The signaling rate of a line, is the number of voltage transitions that are made per second expressed in the units bps (bits per These devices have Type-1 and Type-2 receivers second). that detect the bus state with as little as 50 mV of differential input voltage over a common-mode voltage range of -1 V to 3.4 V. The Type-1 receivers exhibit 25 mV of differential input voltage hysteresis to prevent output oscillations with slowly changing signals or loss of input. Type-2 receivers include an offset threshold to provide a known output state under open-circuit, idle-bus, and other faults conditions. The devices are characterized for operation from –40 °C to 85°C. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2002–2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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Descrição semelhante - SM65MLVD203D |
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