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RHFLVDS228AK1 Datasheet(PDF) 1 Page - STMicroelectronics |
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RHFLVDS228AK1 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 16 page  This is information on a product in full production. October 2013 DocID025373 Rev 1 1/16 RHFLVDS228A Rad-hard, dual 4x4 crosspoint switch LVDS Datasheet - production data Features • LVDS input/output • Multiple configuration: Mux, repeater and splitter • ANSI TIA/EIA-644 compliant • 400 Mbps LVDS (200 MHz) • 200 MHz clock channel • Cold spare on all pins • Fail-safe function • 3.3 V operating power supply • 4.8 V absolute rating • Hermetic package • Power consumption: 220 mW at 3.3 V • Large input common mode: -4 V to +5 V • Guaranteed up to 300 krad TID • SEL immune up to 135 MeV.cm²/mg • SET/SEU immune up to 22 MeV.cm²/mg Description The RHFLVDS228A is an 8-channel, 4x4 crosspoint switch base, on low voltage differential signaling (LVDS) for low-power and high-speed communications. The two 4x4 multiplexers allow connection from any of the four inputs to any of the four outputs. Packaged and qualified for use in aerospace environments in a low-power, fast-transmission standard, the RHFLVDS228A operates at 3.3 V power supply (3.6 V max. operating and 4.8 V AMR) and a common mode of -4 V to +5 V. The LVDS outputs operate over a controlled impedance of 100-ohm transmission media that may be printed circuit board traces, back planes, or cables. The circuit features an internal fail-safe function to ensure a known state in case of an input short circuit or a floating input. All pins have cold spare buffers to ensure they are in high impedance when VCC is tied to GND. The RHFLVDS228A can operate over a wide temperature range of -55 °C to +125 °C and it is housed in an hermetic Ceramic Flat-64 package. Ceramic Flat-64 The upper metallic lid is electrically connected to ground. Table 1. Device summary Reference SMD pin Quality level Package Lead finish Mass EPPL(1) 1. EPPL = ESA preferred part list Temp. range RHFLVDS228AK1 - Engineering model Ceramic Flat-64 Gold - - -55 °C to 125 °C RHFLVDS228AK01V(2) 2. Not yet in full production TBD QML-V flight Target www.st.com |
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