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參數(shù)資料
| 型號： | PCA9510A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Hot swappable I2C-bus and SMBus bus buffer |
| 中文描述： | 熱插拔I2C總線和SMBus總線緩沖器 |
| 文件頁數(shù)： | 8/23頁 |
| 文件大?。?/td> | 140K |
| 代理商： | PCA9510A |
PCA9510A_1
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 8 September 2005
8 of 23
Philips Semiconductors
PCA9510A
Hot swappable I
2
C-bus and SMBus bus buffer
8.8 Hot swapping and capacitance buffering application
Figure 7
through
Figure 10
illustrate the usage of the PCA9510A in applications that take
advantage of both its hot swapping and capacitance buffering features. In all of these
applications, note that if the I/O cards were plugged directly into the backplane, all of the
backplane and card capacitances would add directly together, making rise time and
fall time requirements difficult to meet. Placing a bus buffer on the edge of each card,
however, isolates the card capacitance from the backplane. For a given I/O card, the
PCA9510A drives the capacitance of everything on the card and the backplane must drive
only the capacitance of the bus buffer, which is less than 10 pF, the connector, trace, and
all additional cards on the backplane.
See Application Note AN10160, ‘Hot Swap Bus Buffer’for more information on
applications and technical assistance.
Fig 5.
Bus requirements for 3.3 V systems
Fig 6.
Bus requirements for 5 V systems
C
b
(pF)
0
400
300
100
200
002aab582
10
20
30
R
PU
(k
)
0
recommended
pull-up
rise time > 300 ns
R
max
= 24 k
C
b
(pF)
0
400
300
100
200
002aab583
10
5
15
20
R
PU
(k
)
0
recommended
pull-up
rise time > 300 ns
R
max
= 16 k
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9510AD | 功能描述:緩沖器和線路驅(qū)動器 HOT SWAP I2C/SMBUS BUS BUFFER RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| PCA9510AD,112 | 功能描述:緩沖器和線路驅(qū)動器 HOT SWAP I2C/SMBUS RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| PCA9510AD,118 | 功能描述:緩沖器和線路驅(qū)動器 HOT SWAP I2C/SMBUS RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| PCA9510AD112 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| PCA9510ADP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Hot swappable I2C-bus and SMBus bus buffer |
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