Philips Semiconductors
Product data sheet
Hot swappable I
2
C and SMBus bus buffer
PCA9513; PCA9514
TYPICAL APPLICATION — PCA9514
V
CC
(2.7 V to
5.5 V)
R1
10 kΩ
R2
10 kΩ
3
8
C1
0.01
µF
R5
10 kΩ
2
R3
10 kΩ
R4
10 kΩ
SCLIN
SCLOUT
SDAIN
6
7
SDAOUT
ENABLE
1
ENABLE
GND
4
READY
5
SW02160
Figure 4. Typical application — PCA9514
BLOCK DIAGRAM — PCA9514
2 mA
SLEW RATE
DETECTOR
SDAIN 6
CONNECT
BACKPLANE-TO-CARD
CONNECTION
CONNECT
2 mA
SLEW RATE
DETECTOR
8
7
V
CC
SDAOUT
PCA9514
2 mA
SLEW RATE
DETECTOR
SCLIN 3
CONNECT
BACKPLANE-TO-CARD
CONNECTION
2 mA
SLEW RATE
DETECTOR
2
CONNECT
0.55V
CC
/
0.45V
CC
SCLOUT
0.5
µA
0.55V
CC
/
0.45V
CC
UVLO
ENABLE 1
130
µs
DELAY
STOP BIT AND
BUS IDLE
20 pF
UVLO
RD
QB
S
CONNECT
5
READY
4
GND
CONNECT
0.5 pF
SW02161
Figure 5. Block diagram — PCA9514
2004 Oct 05
5
ICS [ INTEGRATED CIRCUIT SYSTEMS ]
