Datasheet

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Electrical Characteristics
PCA9518
EXPANDABLE FIVE-CHANNEL I
2
C HUB
SCPS132A – JUNE 2006 – REVISED JULY 2007
over recommended operating free-air temperature range, V
CC
= 3 V to 3.6 V, GND = 0 V (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP
(1)
MAX UNIT
V
IK
Input diode clamp voltage I
I
= –18 mA 3 V to 3.6 V –1.2 V
SCLn, SDAn I
OL
= 0
(2)
or 6 mA 3 V to 3.6 V 0.45 0.52 0.7
V
OL
V
EXPSCL, EXPSDA I
OL
= 12 mA 3 V to 3.6 V 0.5
Low-level input voltage below
V
OL
– V
ILc
SCL, SDA 3 V to 3.6 V 70 mV
low-level output voltage
V
I
= 3.6 V ± 1
SCLn, SDAn
V
I
= 0.2 V 1
I
I
V
I
= V
CC
3 V to 3.6 V ± 1 μ A
EN1, EN2, EN3, EN4
V
I
= 0.2 V (input current LOW) 10 20
EXPSCL, EXPSDA V
I
= 0.2 V 2
Quiescent supply current, SDAn = SCLn = V
CC
,
1.75 6
Both channels high EXPSCLn = EXPSDAn = V
CC
Quiescent supply current, One SDA and one SCL are at GND,
I
CC
3.6 V 2.5 9 mA
Both channels low while other SDA and SCL are open.
Quiescent supply current, SDAn = SCLn = GND,
9 11
In contention EXPSCLn = EXPSDAn = V
CC
V
I
= 3.6 V 1
SDAx, SCLx power-off condition
I
off
EN = L or H 0 V μ A
with static V
CC
VI = GND 1
SDAx, SCLx power-off condition
I
I(ramp)
V
I
= 3.6 V, EN = L or H 0 V to 3 V 1 μ A
with V
CC
ramping up or down
SCLn, SDAn 8 9.5
C
I
EN1, EN2, EN3, EN4 V
I
= 3 V or GND 3 V to 3.6 V 3 7 pF
EXPSCL, EXPSDA 6 8
(1) All typical values are at 3.3-V supply voltage and T
A
= 25 ° C.
(2) Test performed with I
OL
= 10 μ A
7
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