Datenblatt-Suchmaschine für elektronische Bauteile |
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GS1504 Datenblatt(PDF) 3 Page - Gennum Corporation |
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GS1504 Datenblatt(HTML) 3 Page - Gennum Corporation |
3 / 12 page 522 - 05 - 02 3 PIN CONNECTIONS AC ELECTRICAL CHARACTERISTICS VCC = 5V, VEE = 0V, TA = 0°C to 70°C, Data Rate = 1.485Gb/s PARAMETER CONDITIONS SYMBOL MIN TYP MAX UNITS TEST LEVEL Jitter 100m (8281), PRN and pathological - 80 135 ps p-p 1 Equalization Belden 8281 - 100 - m 1 Belden 1694 - 150 - m 3 Output Rise/Fall Time 20% - 80% - 130 270 ps 1 Input Resistance Single Ended - 2.8 . k Ω 2 Input Capacitance Single Ended - 1 - pF 2 Output Resistance Single Ended - 50 - Ω 2 Output Signal Swing SDO, SDO Into 50 Ω Loads; See Figure 21. 160 200 240 mVp-p 1 TEST LEVELS: 1. 100% tested at 25°C. 2. Guaranteed by design. 3. Correlated Value. 4. Using EB1504 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 CLI VCC VEE SDI SDI VEE MCLADJ NC CD/MUTE VCC VEE SDO SDO VEE NC NC GS1504 TOP VIEW PIN DESCRIPTIONS NUMBER SYMBOL TYPE DESCRIPTION 1CLI O Cable Length Indication. Provides a voltage output representing the amount of cable being equalized. See figures 19 and 20. The CLI voltage is an approximation of the cable length being equalized. It is intended as a guide for troubleshooting the initial design and not as an accurate indication of cable length. 2, 15 VCC I Most positive supply voltage. 3, 6, 11, 14 VEE I Most negative supply voltage. 4, 5 SDI, SDI I Differential Input Pins. AC coupled termination is recommended. 7 MCLADJ I Adjusts the maximum amount of cable to be equalized (from 0m to the maximum cable length). The output is muted (latched to the last state) when the maximum cable length is reached. To achieve maximum cable length, this pin should be left open. See figures 10 - 12. 8, 9, 10 NC - No Connect. Do not connect these pins to supply or ground. 12, 13 SDO, SDO O Differential Serial Data Output Pins, with 50 Ω output resistance. 16 CD/Mute I/O Carrier Detect/Mute Indicator/Control. When the CD/Mute output is low, the carrier is present and the data output is active. When the CD/Mute output is high, the carrier is not present and the data output is muted (latched to the last state). This indicates that the maximum cable length as set by MCLADJ has been reached. The above default CD/Mute function can be overwritten as follows: if the CD/Mute pin is tied to ground the data output will not mute and the MCLADJ setting is overwritten. If the mute pin is tied high, the data output will always mute and the MCLADJ setting is overwritten. |
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Ähnliche Beschreibung - GS1504 |
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