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DS90LV049H Scheda tecnica(PDF) 1 Page - National Semiconductor (TI) |
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DS90LV049H Scheda tecnica(HTML) 1 Page - National Semiconductor (TI) |
1 / 10 page DS90LV049H High Temperature 3V LVDS Dual Line Driver and Receiver Pair General Description The DS90LV049H is a dual CMOS flow-through differential line driver-receiver pair designed for applications requiring ultra low power dissipation, exceptional noise immunity, and high data throughput. The device is designed to support data rates in excess of 400 Mbps utilizing Low Voltage Differential Signaling (LVDS) technology. The DS90LV049H drivers accept LVTTL/LVCMOS signals and translate them to LVDS signals. The receivers accept LVDS signals and translate them to 3 V CMOS signals. The LVDS input buffers have internal failsafe biasing that places the outputs to a known H (high) state for floating receiver inputs. In addition, the DS90LV049H supports a TRI-STATE function for a low idle power state when the device is not in use. The EN and EN inputs are ANDed together and control the TRI-STATE outputs. The enables are common to all four gates. Features n High Temperature +125˚C Operating Range n Up to 400 Mbps switching rates n Flow-through pinout simplifies PCB layout n 50 ps typical driver channel-to-channel skew n 50 ps typical receiver channel-to-channel skew n 3.3 V single power supply design n TRI-STATE output control n Internal fail-safe biasing of receiver inputs n Low power dissipation (70 mW at 3.3 V static) n High impedance on LVDS outputs on power down n Conforms to TIA/EIA-644-A LVDS Standard n Available in low profile 16 pin TSSOP package Connection Diagram Dual-In-Line 20161701 Order Number DS90LV049HMT Order Number DS90LV049HMTX (Tape and Reel) See NS Package Number MTC16 Functional Diagram 20161702 Truth Table EN EN LVDS Out LVCMOS Out L or Open L or Open OFF OFF H L or Open ON ON L or Open H OFF OFF H H OFF OFF September 2005 © 2005 National Semiconductor Corporation DS201617 www.national.com |
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