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GS2989 数据表(PDF) 5 Page - Gennum Corporation |
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GS2989 数据表(HTML) 5 Page - Gennum Corporation |
5 / 19 page GS2989 Dual-Slew-Rate, Dual-Output Cable Driver with 3Gb/s Capability Data Sheet 52133 - 4 December 2010 5 of 19 7* DISABLE2 Input Control signal input. When set LOW, the second serial data output is disabled (powered-down) and the SDO2/SDO2 pins are set to high-impedance. When set HIGH, the SDO2/SDO2 pins will output a serial data signal. NOTE: if this pin is left floating, the second serial data output will be disabled. 9,10 SDO2/ SDO2 Output Serial data differential output of second output buffer. 11,12 SDO1/ SDO1 Output Serial data differential output of first output buffer. 14 OSP Output Output signal presence status signal output. Signal levels are LVCMOS/LVTTL compatible. Indicates presence of a valid output signal. When the OSP pin is LOW, a good input signal has been detected within the output stage pre-driver. When this pin is HIGH, the output signal is invalid at the output of the pre-driver. 15 SD/HD Input Control signal input. When set HIGH, the serial data outputs will meet the SMPTE 259M rise/fall time specification. When set LOW, the serial outputs will meet the SMPTE 292M and SMPTE 424M rise/fall time specification. NOTE: if this pin is left floating, the serial data outputs will meet the SMPTE 259M rise/fall time specification. 16 EQ_EN Input Control signal input. When set LOW, trace-equalization is turned ON. When set HIGH, trace-equalization is turned OFF. NOTE 1: if this pin is left floating, trace-equalization is turned OFF. NOTE 2: this pin must be pulled HIGH or left floating for operation in SD mode. – Center Pad Power Connect to most negative power supply plane following the recommendations in Recommended PCB Footprint on page 17. *NOTE: When pins 6 and 7 are driven LOW together (or similarly when pin 6 is driven LOW while pin 7 is left floating), the entire device is powered-down. In this state, minimum power consumption occurs. Table 1-1: Pin Descriptions Pin Number Name Type Description |
类似零件编号 - GS2989 |
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类似说明 - GS2989 |
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