PCA9512AD ETC1 [List of Unclassifed Manufacturers], PCA9512AD Datasheet - Page 9
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PCA9512AD
Manufacturer Part Number
PCA9512AD
Description
Level shifting hot swappable I2C-bus and SMBus bus buffer
Manufacturer
ETC1 [List of Unclassifed Manufacturers]
Datasheet
1.PCA9512AD.pdf
(22 pages)
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Philips Semiconductors
PCA9512A_1
Product data sheet
Fig 7. Hot swapping multiple I/O cards into a backplane using the PCA9512A in a cPCI, VME, and AdvancedTCA
BD_SEL
V
Remark: Application assumes bus capacitance within ‘proper operation’ region of
system
SDA
10 k
V
SCL
CC2
CC
R1
BACKPLANE
R2
10 k
CONNECTOR
BACKPLANE
Rev. 01 — 7 October 2005
Level shifting hot swappable I
POWER SUPPLY
POWER SUPPLY
POWER SUPPLY
R3
5.1
R7
5.1
R11
5.1
HOT SWAP
HOT SWAP
HOT SWAP
C2
C4
C6
0.01 F
0.01 F
0.01 F
PCA9512A
PCA9512A
PCA9512A
V
SDAIN
SCLIN
V
SDAIN
SCLIN
V
SDAIN
SCLIN
CC
CC
CC
I/O PERIPHERAL CARD N
I/O PERIPHERAL CARD 1
I/O PERIPHERAL CARD 2
V
V
V
GND
GND
GND
CC2
CC2
CC2
SDAOUT
SDAOUT
SDAOUT
SCLOUT
SCLOUT
SCLOUT
Figure 5
C1
0.01 F
C3
0.01 F
C5
0.01 F
ACC
ACC
ACC
2
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
C-bus and SMBus bus buffer
and
R4
10 k
R8
10 k
R12
10 k
Figure
R5
10 k
R9
10 k
R13
10 k
PCA9512A
6.
R6
10 k
R10
10 k
R14
10 k
CARD1_SDA
CARD1_SCL
CARD2_SDA
CARD2_SCL
CARDN_SDA
CARDN_SCL
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