參數(shù)資料
型號: PCF8574T
廠商: NXP Semiconductors N.V.
元件分類: I2C/I2S
英文描述: Remote 8-bit I-O expander for I2C-bus
封裝: PCF8574AP<SOT38-4 (DIP16)|<<http://www.nxp.com/packages/SOT38-4.html<1<Always Pb-free,;PCF8574AT/3<SOT162-1 (SO16)|<<http://www.nxp.com/packages/SOT162-1.html<1<wee
文件頁數(shù): 14/24頁
文件大?。?/td> 132K
代理商: PCF8574T
2002 Nov 22
14
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 60134).
LIMITING VALUES
9
HANDLING
Inputs and outputs are protected against electrostatic discharge in normal handling. However it is good practice to take
normal precautions appropriate to handling MOS devices (see “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
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
operatingmode;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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