Philips Semiconductors
2-channel I2C multiplexer
Product data sheet
PCA9540B
DC CHARACTERISTICS
VDD = 3.6 to 5.5 V; VSS = 0 V; Tamb = –40 to +85 °C; unless otherwise specified. (See page 8 for VDD = 2.3 to 3.6 V)
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
MIN
TYP
Supply
VDD
Supply voltage
IDD
Supply current
Istb
Standby current
VPOR1
Power-on reset voltage
Input SCL; input/output SDA
Operating mode; VDD = 5.5 V;
no load; VI = VDD or VSS;
fSCL = 100 kHz
Standby mode; VDD = 5.5 V;
no load; VI = VDD or VSS
no load; VI = VDD or VSS
3.6
—
—
65
—
0.3
—
1.6
VIL
VIH
IOL
IIL
IIH
Ci
Pass Gate
LOW-level input voltage
HIGH-level input voltage
LOW-level output current
LOW-level input current
HIGH-level input current
Input capacitance
VOL = 0.4 V
VOL = 0.6 V
VI = VSS
VI = VDD
VI = VSS
–0.5
—
0.7 VDD —
3
—
6
—
–1
—
–1
—
—
6
RON
Switch resistance
VCC = 4.5 to 5.5 V, VO = 0.4 V, IO = 15 mA
4
9
VPass
Switch output voltage
Vswin = VDD = 5.0 V; Iswout = –100 µA
—
3.6
Vswin = VDD = 4.5 to 5.5 V; Iswout = –100 µA
2.6
—
IL
Leakage current
VI = VDD or VSS
–1
—
Cio
Input/output capacitance
NOTE:
1. VDD must be lowered to 0.2 V in order to reset part.
VI = VSS
—
2.5
MAX
5.5
100
1
2.1
0.3 VDD
6
—
—
1
1
8
24
—
4.5
+1
5
UNIT
V
µA
µA
V
V
V
mA
µA
mA
µA
pF
Ω
V
V
µA
pF
2004 Sep 29
9