參數(shù)資料
型號(hào)： PCA9538
廠商： NXP Semiconductors N.V.
英文描述： 8-bit I2C and SMBus low power I/O port with interrupt and reset
中文描述： 8位I2C和SMBus低功率的I / O端口中斷和復(fù)位
文件頁(yè)數(shù)： 10/18頁(yè)
文件大?。?/td> 197K
代理商： PCA9538
Philips Semiconductors
8-bit I
2
C and SMBus low power I/O port
with interrupt and reset
Product data sheet
PCA9538
2004 Oct 05
10
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 to 5.5 V; V
SS
= 0 V; T
amb
= –40 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
—
0.25
1
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
0.7 V
DD
3
–1
—
—
—
tbd
—
5
0.3 V
DD
5.5
—
+1
10
V
V
V
OL
= 0.4V
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
–1
—
—
—
10
13
17
24
14
19
—
—
—
—
—
—
—
5
0.8
5.5
—
—
—
—
—
—
—
—
—
—
—
—
1
10
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
= 4.5 V; Note 3
I
OH
= –10 mA; V
DD
= 4.5 V; Note 3
V
I
= V
DD
= V
SS
mA
mA
mA
mA
mA
mA
V
V
V
V
V
V
μ
A
pF
I
OL
LOW level output current
LOW-level output current
V
OH
HIGH level output voltage
HIGH-level output voltage
I
IL
C
I
Input leakage current
Input capacitance
Interrupt INT
I
OL
Select Inputs A0, A1, and RESET
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage
I
LI
Input leakage current
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
tbd
—
mA
–0.5
2.0
–1
—
—
—
0.8
5.5
1
V
V
μ
A
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