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PCA9548APWRG4 Datasheet(PDF) 11 Page - Texas Instruments

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Part # PCA9548APWRG4
Description  8-CHANNEL I2C SWITCH WITH RESET
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCA9548APWRG4 Datasheet(HTML) 11 Page - Texas Instruments

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Electrical Characteristics
PCA9548A
8-CHANNEL I2C SWITCH
WITH RESET
SCPS143C – OCTOBER 2006 – REVISED JUNE 2007
V
CC = 2.3 V to 3.6 V, over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN TYP(1)
MAX
UNIT
VPOR
Power-on reset voltage(2)
No load, VI = VCC or GND
VPOR
1.6
2.1
V
5 V
3.6
4.5 V to 5.5 V
2.6
4.5
3.3 V
1.9
Vo(sw)
Switch output voltage
Vi(sw) = VCC, ISWout = –100 µA
V
3 V to 3.6 V
1.6
2.8
2.5 V
1.5
2.3 V to 2.7 V
1.1
2
VOL = 0.4 V
3
6
IOL
SDA
2.3 V to 5.5 V
mA
VOL = 0.6 V
6
9
SCL, SDA
±1
SC7–SC0, SD7–SD0
±1
II
VI = VCC or GND
2.3 V to 5.5 V
µA
A2–A0
±1
RESET
±1
5.5 V
50
80
fSCL = 400 kHz
VI = VCC or GND, IO = 0
3.6 V
20
35
2.7 V
11
20
Operating mode
5.5 V
9
30
fSCL = 100 kHz
VI = VCC or GND, IO = 0
3.6 V
6
15
2.7 V
4
8
ICC
µA
5.5 V
0.2
1
Low inputs
VI = GND, IO = 0
3.6 V
0.1
1
2.7 V
0.1
1
Standby mode
5.5 V
0.2
1
High inputs
VI = VCC, IO = 0
3.6 V
0.1
1
2.7 V
0.1
1
SCL or SDA input at 0.6 V,
3
20
Other inputs at VCC or GND
Supply-current
∆I
CC
SCL, SDA
2.3 V to 5.5 V
µA
change
SCL or SDA input at VCC – 0.6 V,
3
20
Other inputs at VCC or GND
A2–A0
4
5
VI = VCC or GND
Ci
RESET
2.3 V to 5.5 V
4
5
pF
SCL
VI = VCC or GND, Switch OFF
20
28
SDA
20
28
Cio(off)(3)
VI = VCC or GND, Switch OFF
2.3 V to 5.5 V
pF
SC7–SC0, SD7–SD0
5.5
7.5
4.5 V to 5.5 V
4
10
20
VO = 0.4 V, IO = 15 mA
ron
Switch-on resistance
3 V to 3.6 V
5
12
30
VO = 0.4 V, IO = 10 mA
2.3 V to 2.7 V
7
15
45
(1)
All typical values are at nominal supply voltage (2.5-V, 3.3-V, or 5-V VCC), TA = 25°C.
(2)
The power-on reset circuit resets the I2C bus logic with VCC < VPOR. VCC must be lowered to 0.2 V to reset the device.
(3)
Cio(ON) depends on internal capacitance and external capacitance added to the SCn lines when channels(s) are ON.
11
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