參數(shù)資料
型號: PCA9545A
廠商: NXP Semiconductors N.V.
英文描述: 4-channel I2C switch with interrupt logic and reset
中文描述: 4通道的I2C中斷邏輯開關(guān)和復(fù)位
文件頁數(shù): 15/27頁
文件大小: 155K
代理商: PCA9545A
9397 750 14311
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 3 March 2005
15 of 27
Philips Semiconductors
PCA9545A
4-channel I
2
C switch with interrupt logic and reset
[1]
For operation between published voltage ranges, refer to the worst-case parameter in both ranges.
[2]
V
DD
must be lowered to 0.2 V in order to reset part.
Table 8:
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 7 on page 14
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
L
leakage current
V
I
= V
SS
C
i
input capacitance
V
I
= V
SS
Select inputs A0, A1, INT0 to INT3, RESET
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage
I
LI
input leakage current
V
I
= 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
INT output
I
OL
LOW-level output current
V
OL
= 0.4 V
I
OH
HIGH-level output current
Static characteristics
Min
Typ
Max
Unit
4.5
-
-
25
5.5
100
V
μ
A
-
0.3
1
μ
A
[2]
-
1.7
2.1
V
–0.5
0.7V
DD
3
6
–1
-
-
-
-
-
-
10
0.3V
DD
6
-
-
1
13
V
V
mA
mA
μ
A
pF
–0.5
0.7V
DD
–1
-
-
-
-
2
0.3V
DD
V
DD
+ 0.5
+1
5
V
V
μ
A
pF
4
9
24
-
3.6
-
V
2.6
-
4.5
V
–1
-
-
3
+1
5
μ
A
pF
3
-
-
-
-
+10
mA
μ
A
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