參數(shù)資料
型號(hào)： PCA9554A
廠商： NXP Semiconductors N.V.
英文描述： 8-bit I2C and SMBus I/O port with interrupt
中文描述： 8位I2C和SMBus I / O端口的中斷
文件頁(yè)數(shù)： 11/20頁(yè)
文件大小： 183K
代理商： PCA9554A
Philips Semiconductors
Product data sheet
PCA9554/PCA9554A
8-bit I
2
C and SMBus I/O port with interrupt
2004 Sep 30
11
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 IC24 under ”Handling MOS devices”.
DC CHARACTERISTICS
V
DD
= 2.3 V to 5.5 V; V
SS
= 0 V; T
amb
= –40
°
C to +85
°
C; unless otherwise specified.
SYMBOL
PARAMETER
Supplies
V
DD
Supply voltage
CONDITIONS
MIN
TYP
MAX
UNIT
2.3
—
5.5
V
I
DD
Supply current
Operating mode; V
DD
= 5.5 V; no load;
f
SCL
= 100 kHz
Standby mode; V
= 5.5 V; no load;
V
I
= V
SS
; f
SCL
= 0 kHz; I/O = inputs
Standby mode; V
= 5.5 V; no load;
V
I
= V
DD
; f
SCL
= 0 kHz; I/O = inputs
No load; V
I
= V
DD
or V
SS
—
104
175
μ
A
I
stbl
Standby current
—
550
700
μ
A
I
stbh
Standby current
—
0.25
1
μ
A
V
POR
Power-on reset voltage (Note 1)
Input SCL; input/output SDA
V
IL
LOW level input voltage
V
IH
HIGH level input voltage
I
OL
LOW level output current
I
L
Leakage current
C
I
Input capacitance
I/Os
V
IL
LOW level input voltage
V
IH
HIGH level input voltage
—
1.5
1.65
V
–0.5
0.7V
DD
3
–1
—
—
—
—
—
6
0.3V
DD
5.5
—
+1
10
V
V
V
OL
= 0.4 V
V
I
= V
DD
= V
SS
V
I
= V
SS
mA
μ
A
pF
–0.5
2.0
8
10
8
10
8
10
1.8
1.7
2.6
2.5
4.1
4.0
—
—
—
—
—
—
10
13
17
24
14
19
—
—
—
—
—
—
—
—
3.7
3.7
0.8
5.5
—
—
—
—
—
—
—
—
—
—
—
—
1
–100
5
5
V
V
V
OL
= 0.5 V; V
DD
= 2.3 V; Note 2
V
OL
= 0.7 V; V
DD
= 2.3 V; Note 2
V
OL
= 0.5 V; V
DD
= 4.5 V; Note 2
V
OL
= 0.7 V; V
DD
= 4.5 V; Note 2
V
OL
= 0.5 V; V
DD
= 3.0 V; Note 2
V
OL
= 0.7 V; V
DD
= 3.0 V; Note 2
I
OH
= –8 mA; V
DD
= 2.3 V; Note 3
I
OH
= –10 mA; V
DD
= 2.3 V; Note 3
I
OH
= –8 mA; V
DD
= 3.0 V; Note 3
I
OH
= –10 mA; V
DD
= 3.0 V; Note 3
I
OH
= –8 mA; V
DD
= 4.75 V; Note 3
I
OH
= –10 mA; V
DD
= 4.75 V; Note 3
V
DD
= 3.6 V; V
I
= V
DD
V
DD
= 5.5 V; V
I
= V
SS
mA
mA
mA
mA
mA
mA
V
V
V
V
V
V
μ
A
μ
A
pF
pF
I
OL
LOW level output current
V
OH
HIGH level output voltage
I
IH
I
IL
C
I
C
O
Input leakage current
Input leakage current
Input capacitance
Output capacitance
Interrupt INT
I
OL
Select Inputs A0, A1, A2
V
IL
V
IH
I
LI
NOTES:
1. V
DD
must be lowered to 0.2 V in order to reset part.
2. Each I/O must be externally limited to a maximum of 25 mA and the device must be limited to a maximum current of 100 mA.
3. The total current sourced by all I/Os must be limited to 85 mA.
LOW level output current
V
OL
= 0.4 V
3
—
—
mA
LOW level input voltage
HIGH level input voltage
Input leakage current
–0.5
2.0
–1
—
—
—
0.8
5.5
1
V
V
μ
A
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