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參數(shù)資料
| 型號： | PCA9555 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 16-bit I2C and SMBus I/O port with interrupt |
| 中文描述： | 16位I2C和SMBus I / O端口的中斷 |
| 文件頁數(shù)： | 13/22頁 |
| 文件大?。?/td> | 185K |
| 代理商： | PCA9555 |
Philips Semiconductors
Product data sheet
PCA9555
16-bit I
2
C and SMBus I/O port with interrupt
2004 Sep 30
13
DC CHARACTERISTICS
V
DD
= 2.3 V to 5.5 V; V
SS
= 0 V; T
amb
= –40 to +85
°
C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Supplies
V
DD
Supply voltage
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
—
135
200
μ
A
I
stbl
Standby current
—
1.1
1.5
mA
I
stbh
Standby current
—
0.25
1
μ
A
V
POR
Power-on reset voltage (Note 1)
—
1.5
1.65
V
input SCL; input/output SDA
V
IL
V
IH
I
OL
I
L
C
I
LOW-level input voltage
–0.5
—
0.3 V
DD
5.5
V
HIGH-level input voltage
0.7 V
DD
3
—
V
LOW-level output current
V
OL
= 0.4V
V
I
= V
DD
= V
SS
V
I
= V
SS
—
—
mA
Leakage current
–1
—
+1
μ
A
Input capacitance
—
6
10
pF
I/Os
V
IL
V
IH
LOW-level input voltage
–0.5
—
0.3V
DD
5.5
V
HIGH-level input voltage
0.7V
DD
8
—
V
I
OL
LOW level output current
LOW-level output current
V
OL
= 0.5 V; V
DD
= 2.3–5.5 V; Note 2
V
OL
= 0.7 V; V
DD
= 2.3–5.5 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
8–20
—
mA
10
10–24
—
mA
1.8
—
—
V
1.7
—
—
V
V
OH
HIGH level output voltage
HIGH-level output voltage
2.6
—
—
V
2.5
—
—
V
4.1
—
—
V
4.0
—
—
V
I
IH
I
IL
C
I
C
O
Input leakage current
—
—
1
μ
A
μ
A
Input leakage current
—
—
–100
Input capacitance
—
3.7
5
pF
Output capacitance
—
3.7
5
pF
Interrupt INT
I
OL
LOW level output current
V
OL
= 0.4 V
3
—
—
mA
Select Inputs A0, A1, A2
V
IL
V
IH
I
LI
LOW-level input voltage
–0.5
—
0.3V
DD
5.5
V
HIGH-level input voltage
0.7V
DD
–1
—
V
Input leakage current
—
1
μ
A
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 each octal (I/O0.0 to I/O0.7 and I/O1.0 to I/O1.7) must be limited to a
maximum current of 100 mA for a device total of 200 mA.
3. The total current sourced by all I/Os must be limited to 160 mA.
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