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參數資料
| 型號： | PCA9514D |
| 英文描述： | Hot swappable IC and SMBus bus buffer |
| 中文描述： | 熱插拔集成電路和SMBus總線緩沖器 |
| 文件頁數： | 8/20頁 |
| 文件大小： | 162K |
| 代理商： | PCA9514D |
Philips Semiconductors
Product data sheet
PCA9513; PCA9514
Hot swappable I
2
C and SMBus bus buffer
2004 Oct 05
8
Hot Swapping and Capacitance Buffering
Application
Figures 9 through 12 illustrate the usage of the PCA9513 and
PCA9514 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- 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 PCA9513 or PCA9514 drives the capacitance of
everything on the card and the backplane must drive only the 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 Bufferfor more
information on applications and technical assistance.
C1
0.01
μ
F
R4
10 k
R5
10 k
POWER SUPPLY
HOT SWAP
I/O PERIPHERAL CARD 1
R6
10 k
ENABLE
V
CC
SDAIN
SCLIN
SDAOUT
SCLOUT
READY
GND
CARD1_SDA
CARD1_SCL
R1
10 k
R2
10 k
V
CC
SDA
SCL
BD_SEL
BACKPLANE
BACKPLANE
CONNECTOR
C3
0.01
μ
F
R8
10 k
R9
10 k
POWER SUPPLY
HOT SWAP
I/O PERIPHERAL CARD 2
R10
10 k
ENABLE
V
CC
SDAIN
SCLIN
SDAOUT
SCLOUT
GND
CARD2_SDA
CARD2_SCL
C5
0.01
μ
F
R12
10 k
R13
10 k
POWER SUPPLY
HOT SWAP
I/O PERIPHERAL CARD N
R14
10 k
ENABLE
V
CC
SDAIN
SCLIN
SDAOUT
SCLOUT
GND
CARDN_SDA
CARDN_SCL
SW02126
R11
10 k
R7
10 k
R3
10 k
READY
READY
S
S
S
Figure 9. Hot swapping multiple I/O cards into a backplane using the PCA9514 in a CompactPCI, VME, and AdvancedTCA system
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| PCA9513 | Hot swappable IC and SMBus bus buffer |
| PCA9513D | Hot swappable IC and SMBus bus buffer |
| PCA9515A | I2C-bus repeater |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PCA9514D,112 | 功能描述:緩沖器和線路驅動器 HOT SWAP I2C/SMBUS BUS BUFFER RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量: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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| PCA9514D,118 | 功能描述:緩沖器和線路驅動器 HOT SWAP I2C/SMBUS BUS BUFFER RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量: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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| PCA9514DP | 制造商:ICS 制造商全稱:ICS 功能描述:Hot swappable IC and SMBus bus buffer |
| PCA9514DP,118 | 功能描述:緩沖器和線路驅動器 HOT SWAP I2C/SMBUS BUS BUFFER RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量: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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| PCA9515 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:I2C-bus repeater |
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