PCA9513 Philips Semiconductors (Acquired by NXP), PCA9513 Datasheet - Page 4

• Manufacturer Part Number: PCA9513
• Description: Hot Swappable I2C And Smbus Bus Bufferthe PCA9513 And PCA9514 Are Hot Swappable i C And Smbus Buffers That Allows I/o Card Insertion Into a Live Backplane Without Corrupting The Data And Clock Buses. Control Circuitry Prevents The Backplane From Bein
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
TYPICAL APPLICATION — PCA9513
BLOCK DIAGRAM — PCA9513
2004 Jan 07
Hot swappable I
OVERVOLTAGE
OVERVOLTAGE
SDAIN
CUTOFF
SCLIN
CUTOFF
6
3
ENABLE
UVLO
1
SDAIN
SCLIN
92 mA
0.55V
ENABLE
0.45V
92 mA
CC
CC
2
/
C and SMBus bus buffer
CONNECT
CONNECT
DELAY
130 µs
SLEW RATE
SLEW RATE
DETECTOR
DETECTOR
(2.7 V to
5.5 V)
V
CC
Figure 2. Typical application — PCA9513
Figure 3. Block diagram — PCA9513
2 mA
2 mA
1
3
6
BACKPLANE-TO-CARD
BACKPLANE-TO-CARD
ENABLE
CONNECTION
CONNECTION
8
GND
0.5 pF
4
4
C1
0.01 µF
READY
0.5 µA
10 kΩ
R5
2
7
5
2 mA
2 mA
STOP BIT AND
20 pF
BUS IDLE
10 kΩ
SLEW RATE
SLEW RATE
DETECTOR
DETECTOR
R3
UVLO
CONNECT
CONNECT
R4
10 kΩ
PCA9513; PCA9514
RD
S
QB
SCLOUT
SDAOUT
CONNECT
0.55V
0.45V
CONNECT
8
7
2
5
4
Product data
SW02159
SW02158
CC
CC
V
SDAOUT
SCLOUT
READY
GND
/
CC