Datasheet

PCA9508_1 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 01 — 28 April 2008 3 of 21
NXP Semiconductors
PCA9508
Hot swappable level translating I
2
C-bus repeater
3. Ordering information
[1] Also known as MSOP8.
4. Functional diagram
Table 2. Ordering information
T
amb
= − 40 ° C to +85 ° C.
Type number Topside
mark
Package
Name Description Version
PCA9508D PCA9508 SO8 plastic small outline package; 8 leads; body width 3.9 mm SOT96-1
PCA9508DP 9508 TSSOP8
[1]
plastic thin shrink small outline package; 8 leads; body width 3 mm SOT505-1
Fig 1. Functional diagram of PCA9508
002aac651
0.5 pF
RD
S
QB
UVLO
20 pF
0.55V
CC
/
0.45V
CC
0.5 µA
STOP BIT AND
BUS IDLE
0.55V
CC
/
0.45V
CC
100 µs
DELAY
UVLO
EN
CONNECT
PCA9508
SDAA
SCLA
SDAB
SCLB
V
CC(A)
V
CC(B)
CONNECT
V
CC(B)
pull-up
resistor