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| 型號： | PCA9544A |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 4-channel IC multiplexer with interrupt logic |
| 中文描述： | 4通道多路轉(zhuǎn)換器集成電路的中斷邏輯 |
| 文件頁數(shù)： | 10/23頁 |
| 文件大?。?/td> | 578K |
| 代理商： | PCA9544A |
www.ti.com
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
PCA9544A
4-CHANNEL I
2
C AND SMBus MULTIPLEXER
WITH INTERRUPT LOGIC
SCPS146A–OCTOBER 2005–REVISED OCTOBER 2005
PARAMETER
Power-on reset voltage
(2)
TEST CONDITIONS
V
CC
V
POR
5 V
MIN TYP
(1)
MAX
2.1
UNIT
V
V
POR
No load,
V
I
= V
CC
or GND
1.7
3.6
4.5 V to 5.5 V
3.3 V
3 V to 3.6 V
2.5 V
2.3 V to 2.7 V
2.3 V to 5.5 V
2.6
4.5
1.9
V
pass
Switch output voltage
V
SWin
= V
CC
,
I
SWout
= –100
μ
A
V
1.6
2.8
1.5
1.1
2
I
OH
INT
V
O
= V
CC
V
OL
= 0.4 V
V
OL
= 0.6 V
V
OL
= 0.4 V
10
μ
A
3
6
3
7
SCL, SDA
I
OL
2.3 V to 5.5 V
10
7
mA
INT
SCL, SDA
SC3–SC0, SD3–SD0
A2–A0
INT3–INT0
±
1
±
1
±
1
±
1
12
11
10
1
1
1
1
1
1
I
I
V
I
= V
CC
or GND
2.3 V to 5.5 V
μ
A
5.5 V
3.6 V
2.7 V
5.5 V
3.6 V
2.7 V
5.5 V
3.6 V
2.7 V
3
3
3
Operating mode
f
SCL
= 100 kHz
V
I
= V
CC
or GND,
I
O
= 0
0.3
0.1
0.1
0.3
0.1
0.1
I
CC
Low inputs
V
I
= GND,
I
O
= 0
μ
A
Standby mode
High inputs
V
I
= V
CC
,
I
O
= 0
One INT3–INT0 input at 0.6 V,
Other inputs at V
CC
or GND
One INT3–INT0 input at V
CC
– 0.6 V,
Other inputs at V
CC
or GND
SCL or SDA input at 0.6 V,
Other inputs at V
CC
or GND
SCL or SDA inputs at V
– 0.6 V,
Other inputs at V
CC
or GND
8
15
INT3–INT0
8
15
Supply-current
change
I
CC
2.3 V to 5.5 V
μ
A
8
15
SCL, SDA
8
15
A2–A0
INT3–INT0
SCL, SDA
SC3–SC0, SD3–SD0
4.5
4.5
15
6
6
C
i
V
I
= V
CC
or GND
2.3 V to 5.5 V
pF
19
8
16
20
45
C
io(OFF)(3)
V
I
= V
CC
or GND,
Switch OFF
2.3 V to 5.5 V
pF
6
9
4.5 V to 5.5 V
3 V to 3.6 V
2.3 V to 2.7 V
4
5
7
V
O
= 0.4 V,
I
O
= 15 mA
R
ON
Switch-on resistance
11
16
V
O
= 0.4 V,
I
O
= 10 mA
(1)
(2)
(3)
All typical values are at nominal supply voltage (2.5-V, 3.3-V, or 5-V V
CC
), T
= 25
°
C.
The power-on reset circuit resets the I
2
C bus logic with V
< V
. V
must be lowered to 0.2 V to reset the device.
C
io(ON)
depends on internal capacitance and external capacitance added to the SCn lines when channels(s) are ON.
10
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| PCA9544ABS118 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
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