參數(shù)資料
型號(hào)： PCA9540B
廠商： NXP Semiconductors N.V.
英文描述： 2-channel I2C multiplexer
中文描述： 2通道的I2C多路復(fù)用器
文件頁數(shù)： 8/14頁
文件大小： 138K
代理商： PCA9540B
Philips Semiconductors
Product data sheet
PCA9540B
2-channel I
2
C multiplexer
2004 Sep 29
8
ABSOLUTE MAXIMUM RATINGS
1, 2
In accordance with the Absolute Maximum Rating System (IEC 134).Voltages are referenced to GND (ground = 0 V).
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
V
DD
V
I
I
I
I
O
I
DD
I
SS
P
tot
T
stg
T
amb
DC supply voltage
–0.5 to +7.0
V
DC input voltage
–0.5 to +7.0
±
20
±
25
±
100
±
100
400
V
DC input current
mA
DC output current
mA
Supply current
mA
Supply current
mA
total power dissipation
mW
°
C
°
C
Storage temperature range
–60 to +150
Operating ambient temperature
–40 to +85
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150
°
C.
DC CHARACTERISTICS
V
DD
= 2.3 to 3.6 V; V
SS
= 0 V; T
amb
= –40 to +85
°
C; unless otherwise specified. (See page 9 for V
DD
= 3.6 to 5.5 V)
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
TYP
UNIT
MIN
MAX
Supply
V
DD
Supply voltage
2.3
—
3.6
V
I
DD
Supply current
Operating mode; V
DD
= 3.6 V;
no load; V
= V
or V
SS
;
f
SCL
= 100 kHz
Standby mode; V
DD
= 3.6 V;
no load; V
I
= V
DD
or V
SS
; f
SLC
= 0 kHz
no load; V
I
= V
DD
or V
SS
—
20
50
μ
A
I
stb
Standby current
—
0.1
1
μ
A
V
POR
Power-on reset voltage (Note 1)
—
1.6
2.1
V
Input SCL; input/output SDA
V
IL
V
IH
LOW-level input voltage
–0.5
—
0.3V
DD
6
V
HIGH-level input voltage
0.7V
DD
3
—
V
I
OL
LOW level output current
LOW-level output current
V
OL
= 0.4 V
V
OL
= 0.6 V
V
I
= V
DD
or V
SS
V
I
= V
SS
—
—
mA
6
—
—
mA
μ
A
pF
I
L
C
i
Leakage current
–1
—
+1
Input capacitance
—
7
8
Pass Gate
R
ON
Switch resistance
V
CC
= 3.0 to 3.6 V, V
O
= 0.4 V, I
O
= 15 mA
V
CC
= 2.3 to 2.7 V, V
O
= 0.4 V, I
O
= 10 mA
V
swin
= V
DD
= 3.3 V; I
swout
= –100
μ
A
V
swin
= V
DD
= 3.0 to 3.6 V; I
swout
= –100
μ
A
V
swin
= V
DD
= 2.5 V; I
swout
= –100
μ
A
V
swin
= V
DD
= 2.3 to 2.7 V; I
swout
= –100
μ
A
V
I
= V
DD
or V
SS
V
I
= V
SS
5
11
31
7
16
55
—
1.9
—
V
Pass
Switch output voltage
1.6
—
2.8
V
—
1.5
—
1.1
—
2.0
I
L
C
io
Leakage current
–1
—
+1
μ
A
pF
Input/output capacitance
—
2.5
5
NOTE:
1. V
DD
must be lowered to 0.2 V in order to reset part.
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