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PCF8574ADW Datasheet(PDF) 4 Page - Texas Instruments

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Part # PCF8574ADW
Description  REMOTE 8BIT I/O EXPANDER FOR I2C BUS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCF8574ADW Datasheet(HTML) 4 Page - Texas Instruments

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PCF8574
REMOTE 8BIT I/O EXPANDER FOR I2C BUS
SCPS068C - JULY 2001 − REVISED JANUARY 2004
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
ADDRESS REFERENCE
INPUTS
I2C-BUS SLAVE ADDRESS
A2
A1
A0
I2C-BUS SLAVE ADDRESS
L
L
L
32 (decimal), 20 (hexadecimal)
L
L
H
33 (decimal), 21 (hexadecimal)
L
H
L
34 (decimal), 22 (hexadecimal)
L
H
H
35 (decimal), 23 (hexadecimal)
H
L
L
36 (decimal), 24 (hexadecimal)
H
L
H
37 (decimal), 25 (hexadecimal)
H
H
L
38 (decimal), 26 (hexadecimal)
H
H
H
39 (decimal), 27 (hexadecimal)
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC
−0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (see Note 1)
−0.5 V to VCC + 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range, VO (see Note 1)
−0.5 V to VCC + 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, IIK (VI < 0 )
−20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, IOK (VO < 0)
−20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input/Output clamp current, IOK (VO < 0 or VO > VCC)
±400 µA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output low current, IOL (VO = 0 to VCC)
50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output high current, IOH (VO = 0 to VCC)
−4 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through VCC or GND
±100 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θJA (see Note 2): DGV package
92
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): DW package
57
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): N package
67
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): PW package
83
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 3): RGY package
37
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
−65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
3. The package thermal impedance is calculated in accordance with JESD 51-5.
recommended operating conditions
MIN
MAX
UNIT
VCC
Supply voltage
2.5
6
V
VIH
High-level input voltage
0.7
× VCC VCC + 0.5
V
VIL
Low-level input voltage
−0.5
0.3
× VCC
V
IOH
High-level output current
−1
mA
IOL
Low-level output current
25
mA
TA
Operating free-air temperature
−40
85
°C


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