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參數(shù)資料
| 型號(hào)： | PCF8574 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Remote 8-bit I/O expander for I2C-bus |
| 中文描述： | SPECIALTY MICROPROCESSOR CIRCUIT |
| 文件頁(yè)數(shù)： | 13/24頁(yè) |
| 文件大小： | 156K |
| 代理商： | PCF8574 |
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1997 Apr 02
13
Philips Semiconductors
Product specification
Remote 8-bit I/O expander for I
2
C-bus
PCF8574
8
In accordance with the Absolute Maximum Rating System (IEC 134).
LIMITING VALUES
9
HANDLING
Inputs and outputs are protected against electrostatic discharge in normal handling. However, to be totally safe, it is
desirable to take precautions appropriate to handling MOS devices. Advice can be found in Data Handbook IC12 under
“Handling MOS Devices”
10 DC CHARACTERISTICS
V
DD
= 2.5 to 6 V; V
SS
= 0 V; T
amb
=
40 to +85
°
C; unless otherwise specified.
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
V
DD
V
I
I
I
I
O
I
DD
I
SS
P
tot
P
O
T
stg
T
amb
supply voltage
input voltage
DC input current
DC output current
supply current
supply current
total power dissipation
power dissipation per output
storage temperature
operating ambient temperature
0.5
V
SS
0.5
65
40
+7.0
V
DD
+ 0.5
±
20
±
25
±
100
±
100
400
100
+150
+85
V
V
mA
mA
mA
mA
mW
mW
°
C
°
C
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
DD
I
DD
supply voltage
supply current
2.5
40
6.0
100
V
μ
A
operating mode; V
DD
= 6 V;
no load; V
I
= V
DD
or V
SS
;
f
SCL
= 100 kHz
standby mode; V
DD
= 6 V;
no load; V
I
= V
DD
or V
SS
V
DD
= 6 V; no load;
V
I
= V
DD
or V
SS
; note 1
I
stb
standby current
2.5
10
μ
A
V
POR
Power-on reset voltage
1.3
2.4
V
Input SCL; input/output SDA
V
IL
V
IH
I
OL
I
L
C
i
LOW level input voltage
HIGH level input voltage
LOW level output current
leakage current
input capacitance
0.5
0.7V
DD
3
1
+0.3V
DD
V
DD
+ 0.5
+1
7
V
V
mA
μ
A
pF
V
OL
= 0.4 V
V
I
= V
DD
or V
SS
V
I
= V
SS
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| PCF8574_02 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Remote 8-bit I/O expander for I2C-bus |
| PCF8574_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:REMOTE 8-BIT I/O EXPANDER FOR I2C BUS |
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