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PCF8575CDW 数据表(PDF) 6 Page - Texas Instruments

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部件名 PCF8575CDW
功能描述  SMBus Low-Power I/O Expander
PDF  38 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

PCF8575CDW 数据表(HTML) 6 Page - Texas Instruments

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5.0
4.5
3.5
4.0
3.0
2.5
10
20
30
40
50
60
70
80
90
100
0
fSCL = 400 kHz
All I/Os unloaded
Supply Voltage (V)
2.0
5.5
0
5
10
15
20
25
30
35
0.0
0.1
0.2
0.3
0.4
0.5
0.6
VCC = 5 V
TA = −40ºC
TA = 25ºC
TA = 85ºC
VOL (V)
Temperature (°C)
100
75
25
50
0
−25
10
20
30
40
50
60
70
80
90
100
0
fSCL = 400 kHz
All I/Os unloaded
VCC = 5 V
−50
125
Temperature (°C)
100
75
25
50
0
−25
1
2
3
4
5
6
7
8
9
0
−50
SCL =
VCC
All I/Os unloaded
VCC = 5 V
125
PCF8575C
SCPS123F – MARCH 2005 – REVISED JANUARY 2015
www.ti.com
6.7
Switching Characteristics
over recommended operating free-air temperature range, CL ≤ 100 pF (unless otherwise noted) (see Figure 8 and Figure 9)
FROM
TO
PARAMETER
MIN
MAX
UNIT
(INPUT)
(OUTPUT)
tiv
Interrupt valid time
P port
INT
4
μs
tir
Interrupt reset delay time
SCL
INT
4
μs
tpv
Output data valid
SCL
P port
4
μs
tsu
Input data setup time
P port
SCL
0
μs
th
Input data hold time
P port
SCL
4
μs
6.8 Typical Characteristics
TA = 25°C (unless otherwise noted)
Figure 1. Supply Current vs Temperature
Figure 2. Standby Supply Current vs Temperature
Figure 4. I/O Sink Current vs Output Low Voltage
Figure 3. Supply Current vs Supply Voltage
6
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Copyright © 2005–2015, Texas Instruments Incorporated
Product Folder Links: PCF8575C



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