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GS6081 Arkusz danych(PDF) 11 Page - Semtech Corporation |
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GS6081 Arkusz danych(HTML) 11 Page - Semtech Corporation |
11 / 19 page GS6081 Final Data Sheet Rev.4 PDS-060046 July 2014 11 of 19 Proprietary & Confidential www.semtech.com 4.3.1 Slew Rate Selection (Rise/Fall Time Requirement) The GS6081 supports two user-selectable output slew rates. Control of the slew rate is determined by the setting of the SD_EN input pin. 4.4 Output Disable The GS6081 supports an output disable function for each serial data differential output. Control of this function is determined by the setting of the serial output disable (DISABLE1 and DISABLE2) control pins. Setting this pin LOW, disable power to the current mode serial data output drivers. When DISABLE1 and DISABLE2 are driven LOW simultaneously, the entire device is powered down, and the power consumption is minimized. 4.5 Signal Presence Indicator (SP) The GS6081 supports a signal presence indicator function. The signal presence pin (SP) is an active-low output that indicates a signal has been detected at the pre-driver output. The signal presence function measures signal-edge energy to indicate that the pre-driver to the serial data outputs is toggling. Table 4-2: Slew Rate Selection SD_EN Rise/Fall Time 0 UHD-SDI (5.94Gb/s), SMPTE ST 424 and SMPTE ST 292 compliant 1 SMPTE ST 259 compliant Floating SMPTE ST 259 compliant Table 4-3: Output Disable DISABLE1 DISABLE2 SDO1/SDO1 SDO2/SDO2 0 0 or Floating All Chip Power Down 0 1 High-Impedance Operational 1 or Floating 0 or Floating Operational High-Impedance 1 or Floating 1 Operational Operational |
Podobny numer części - GS6081 |
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Podobny opis - GS6081 |
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