PCA9512ADP データシートの表示（PDF） - Philips Electronics
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PCA9512ADP Datasheet PDF : 22 Pages
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Philips Semiconductors
PCA9512A
Level shifting hot swappable I2C-bus and SMBus bus buffer
BACKPLANE
VCC2
BACKPLANE
CONNECTOR
BD_SEL
VCC
SDA
SCL
R1
10 kΩ
R2
10 kΩ
POWER SUPPLY
I/O PERIPHERAL CARD 1
HOT SWAP
C1
0.01 µF
R4
10 kΩ
R3
5.1 Ω
PCA9512A
VCC VCC2 SDAOUT
SDAIN
SCLOUT
SCLIN
C2 0.01 µF
GND
ACC
R5
10 kΩ
R6
10 kΩ
CARD1_SDA
CARD1_SCL
POWER SUPPLY
I/O PERIPHERAL CARD 2
HOT SWAP
C3
0.01 µF
R8
10 kΩ
R7
5.1 Ω
PCA9512A
VCC VCC2 SDAOUT
SDAIN
SCLOUT
SCLIN
C4 0.01 µF
GND
ACC
R9
10 kΩ
R10
10 kΩ
CARD2_SDA
CARD2_SCL
POWER SUPPLY
I/O PERIPHERAL CARD N
HOT SWAP
C5
0.01 µF
R12
10 kΩ
R11
5.1 Ω
PCA9512A
VCC VCC2 SDAOUT
SDAIN
SCLOUT
SCLIN
C6 0.01 µF
GND
ACC
R13
10 kΩ
R14
10 kΩ
CARDN_SDA
CARDN_SCL
002aab791
Remark: Application assumes bus capacitance within ‘proper operation’ region of Figure 5 and Figure 6.
Fig 7. Hot swapping multiple I/O cards into a backplane using the PCA9512A in a cPCI, VME, and AdvancedTCA
system
PCA9512A_1
Product data sheet
Rev. 01 — 7 October 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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