PCA9512AD,112 NXP Semiconductors, PCA9512AD,112 Datasheet - Page 9

• Manufacturer Part Number: PCA9512AD,112
• Description: IC LEVSHIFT I2C/SMBUS BUFF 8SOIC
• Manufacturer: NXP Semiconductors
• Type: I²C-Bus and SMBus Switchr

Specifications of PCA9512AD,112

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Applications: Hot-Swap/SMB Buffer
• Internal Switch(s): Yes
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Logic Family: PCA
• Maximum Operating Temperature: 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Number Of Lines (input / Output): 3 / 3
• Logic Type: Bus Buffer
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-3361-5; 935279721112; PCA9512AD

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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