Datasheet

PCA9518A_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 3 December 2008 2 of 23
NXP Semiconductors
PCA9518A
Expandable 5-channel I
2
C-bus hub
2. Features
n Expandable 5 channel, bidirectional buffer
n I
2
C-bus and SMBus compatible
n Active HIGH individual repeater enable inputs
n Open-drain input/outputs
n Lock-up free operation
n Supports arbitration and clock stretching across the repeater
n Accommodates Standard-mode and Fast-mode I
2
C-bus devices and multiple masters
n Powered-off high-impedance I
2
C-bus pins
n Operating supply voltage range of 2.3 V to 3.6 V
n 5 V tolerant I
2
C-bus and enable pins
n 0 Hz to 400 kHz clock frequency
2
n ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per
JESD22-A115, and 1000 V CDM per JESD22-C101
n Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
n Package offerings: SO20 and TSSOP20
3. Ordering information
2. The maximum system operating frequency may be less than 400 kHz because of the delays added by the repeater.
Table 1. Ordering information
T
amb
= − 40 ° C to +85 ° C
Type number Topside mark Package
Name Description Version
PCA9518AD PCA9518AD SO20 plastic small outline package; 20 leads; body width 7.5 mm SOT163-1
PCA9518APW PA9518A TSSOP20 plastic thin shrink small outline package; 20 leads;
body width 4.4 mm
SOT360-1