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DS90LV028AH 数据表(PDF) 3 Page - National Semiconductor (TI) |
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DS90LV028AH 数据表(HTML) 3 Page - National Semiconductor (TI) |
3 / 8 page Note 9: tSKD2 is the differential channel-to-channel skew of any event on the same device. This specification applies to devices having multiple receivers within the integrated circuit. Note 10: tSKD3, part to part skew, is the differential channel-to-channel skew of any event between devices. This specification applies to devices at the same VCC and within 5˚C of each other within the operating temperature range. Note 11: tSKD4, part to part skew, is the differential channel-to-channel skew of any event between devices. This specification applies to devices over the recommended operating temperature and voltage ranges, and across process distribution. tSKD4 is defined as |Max − Min| differential propagation delay. Note 12: VCC is always higher than RIN+ and RIN− voltage. RIN+ and RIN− are allowed to have voltage range −0.05V to +3.05V. VID is not allowed to be greater than 100 mV when VCM =0Vor3V. Note 13: fMAX generator input conditions: tr =tf < 1 ns (0% to 100%), 50% duty cycle, differential (1.05V to 1.35 peak to peak). Output criteria: 60%/40% duty cycle, VOL (max 0.4V), VOH (min 2.7V), load = 15 pF (stray plus probes). Parameter Measurement Information Typical Application Applications Information General application guidelines and hints for LVDS drivers and receivers may be found in the following application notes: LVDS Owner’s Manual (lit #550062-003), AN-808, AN-977, AN-971, AN-916, AN-805, AN-903. LVDS drivers and receivers are intended to be primarily used in an uncomplicated point-to-point configuration as is shown in Figure 3. This configuration provides a clean signaling environment for the fast edge rates of the drivers. The re- ceiver is connected to the driver through a balanced media which may be a standard twisted pair cable, a parallel pair cable, or simply PCB traces. Typically the characteristic impedance of the media is in the range of 100 Ω. A termina- tion resistor of 100 Ω should be selected to match the media, and is located as close to the receiver input pins as possible. The termination resistor converts the driver output (current mode) into a voltage that is detected by the receiver. Other configurations are possible such as a multi-receiver configu- ration, but the effects of a mid-stream connector(s), cable 20162903 FIGURE 1. Receiver Propagation Delay and Transition Time Test Circuit 20162904 FIGURE 2. Receiver Propagation Delay and Transition Time Waveforms Balanced System 20162905 FIGURE 3. Point-to-Point Application www.national.com 3 |
类似零件编号 - DS90LV028AH |
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类似说明 - DS90LV028AH |
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