參數(shù)資料
型號(hào)： PCA9549
廠商： NXP Semiconductors N.V.
英文描述： Octal bus switch with individually I2C-bus controlled enables
中文描述： 個(gè)別八路與I2C總線開(kāi)關(guān)，總線控制，使
文件頁(yè)數(shù)： 12/24頁(yè)
文件大小： 126K
代理商： PCA9549
PCA9549_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 11 July 2006
12 of 24
Philips Semiconductors
PCA9549
Octal bus switch with individually I
2
C-bus controlled enables
[1]
For operation between published voltage ranges, refer to the worst-case parameters in both ranges.
[2]
V
DD
must be lowered to 0.2 V in order to reset part.
Table 7.
V
DD
= 4.5 V to 5.5 V; V
SS
= 0 V; T
amb
=
40
°
C to +85
°
C; unless otherwise specified.
See
Table 6 on page 11
for V
DD
= 2.3 V to 3.6 V
[1]
.
Symbol
Parameter
Conditions
Supply
V
DD
supply voltage
I
DD
supply current
Operating mode; V
DD
= 5.5 V;
no load; V
I
= V
DD
or V
SS
;
f
SCL
= 100 kHz
I
stb
standby current
Standby mode; V
DD
= 5.5 V;
no load; V
I
= V
DD
or V
SS
V
POR
power-on reset voltage
no load; V
I
= V
DD
or V
SS
Input SCL; input/output SDA
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage
I
OL
LOW-level output current
V
OL
= 0.4 V
V
OL
= 0.6 V
I
IL
LOW-level input current
V
I
= V
SS
I
IH
HIGH-level input current
V
I
= V
SS
C
i
input capacitance
V
I
= V
SS
Select inputs A[0:2]/RESET
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage
I
LI
input leakage current
pin at V
DD
or V
SS
C
i
input capacitance
V
I
= V
SS
Pass gate
R
on
ON-state resistance
V
DD
= 4.5 V to 5.5 V; V
O
= 0.4 V;
I
O
= 15 mA
V
o(sw)
switch output voltage
V
i(sw)
= V
DD
= 5.0 V;
I
o(sw)
=
100
μ
A
V
i(sw)
= V
DD
= 4.5 V to 5.5 V;
I
o(sw)
=
100
μ
A
I
L
leakage current
V
I
= V
DD
or V
SS
C
io
input/output capacitance
V
I
= V
SS
Static characteristics
Min
Typ
Max
Unit
4.5
-
-
65
5.5
100
V
μ
A
-
0.6
2
μ
A
[2]
-
1.7
2.1
V
0.5
0.7V
DD
3
6
1
1
-
-
-
-
-
-
-
6
+0.3V
DD
6
-
-
1
1
21
V
V
mA
mA
μ
A
μ
A
pF
0.5
0.7V
DD
1
-
-
-
-
2
+0.3V
DD
V
DD
+ 0.5
+50
5
V
V
μ
A
pF
-
5
8
-
3.6
-
V
2.6
-
4.5
V
10
-
-
3
+10
5
μ
A
pF
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