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參數(shù)資料
| 型號(hào)： | SCAN928028TUF |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8 Channel 10:1 Serializer with IEEE 1149.1 and At-Speed BIST |
| 中文描述： | OCTAL LINE DRIVER, PBGA196 |
| 封裝： | LBGA-196 |
| 文件頁(yè)數(shù)： | 14/18頁(yè) |
| 文件大小： | 376K |
| 代理商： | SCAN928028TUF |
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Application Information
(Continued)
PVDD = PLL SECTION POWER SUPPLY
The PVDD pin supplies the PLL circuit. The PLL(s) require
clean power for the minimization of Jitter. A supply noise
frequency in the 300kHZ to 1MHz range can cause in-
creased output jitter. Certain power supplies may have
switching frequencies or high harmonic content in this range.
If this is the case, filtering of this noise spectrum may be
required. A notch filter response is best to provide a stable
VDD, suppression of the noise band, and good high-
frequency response (clock fundamental). This may be ac-
complished with a pie filter (CRC or CLC). The pie filter
should be located close to the PVDD power pin. Separate
power planes for the PVDD pins is typically not required.
AVDD = LVDS SECTION POWER SUPPLY
The AVDD pin supplies the LVDS portion of the circuit. The
SCAN928028 has nine AVDD pins. Due to the nature of the
design, current draw is not excessive on these pins. A 0.1uF
Application Diagram
capacitor is sufficient for these pins. If space is available a
0.01uF may be used in parallel with the 0.1uF capacitor for
additional high frequency filtering.
GROUNDS
The AGND pin should be connected to the signal common in
the cable for the return path of any common-mode current.
Most of the LVDS current will be odd-mode and return within
the interconnect pair. A small amount of current may be
even-mode due to coupled noise, and driver imbalances.
This current should return via a low impedance known path.
A solid ground plane is recommended for DVDD, PVDD or
AVDD. Using a split plane may have a potential problem of
ground loops, or difference in ground potential at various
ground pins of the device.
20052110
FIGURE 12. Typical Application Circuit
S
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SCAN928028TUFX | 8 Channel 10:1 Serializer with IEEE 1149.1 and At-Speed BIST |
| SCAN92LV090 | 9 Channel Bus LVDS Transceiver with 1149.1 Access |
| SCAN92LV090SLC | 9 Channel Bus LVDS Transceiver w/ Boundary SCAN |
| SCAN92LV090VEH | HEATSINK TO-220 H=2.5 BLK W/PIN |
| SCANPSC100F | Embedded Boundary Scan Controller(嵌入式邊界掃描控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SCAN928028TUF/NOPB | 功能描述:LVDS 接口集成電路 RoHS:否 制造商:Texas Instruments 激勵(lì)器數(shù)量:4 接收機(jī)數(shù)量:4 數(shù)據(jù)速率:155.5 Mbps 工作電源電壓:5 V 最大功率耗散:1025 mW 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-16 Narrow 封裝:Reel |
| SCAN928028TUFX | 功能描述:LVDS 接口集成電路 RoHS:否 制造商:Texas Instruments 激勵(lì)器數(shù)量:4 接收機(jī)數(shù)量:4 數(shù)據(jù)速率:155.5 Mbps 工作電源電壓:5 V 最大功率耗散:1025 mW 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-16 Narrow 封裝:Reel |
| SCAN928028TUFX/NOPB | 功能描述:LVDS 接口集成電路 RoHS:否 制造商:Texas Instruments 激勵(lì)器數(shù)量:4 接收機(jī)數(shù)量:4 數(shù)據(jù)速率:155.5 Mbps 工作電源電壓:5 V 最大功率耗散:1025 mW 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-16 Narrow 封裝:Reel |
| SCAN92LV090 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:9 Channel Bus LVDS Transceiver with 1149.1 Access |
| SCAN92LV090_06 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:9 Channel Bus LVDS Transceiver w/ Boundary SCAN |
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