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| 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)： | 10/24頁(yè) |
| 文件大小： | 126K |
| 代理商： | PCA9549 |
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PCA9549_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 11 July 2006
10 of 24
Philips Semiconductors
PCA9549
Octal bus switch with individually I
2
C-bus controlled enables
7.4 Bus transactions
Data is transmitted to the PCA9549 control register using the Write mode as shown in
Figure 12
.
Data is read from the PCA9549 using the Read mode as shown in
Figure 13
.
8.
Limiting values
[1]
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 125
°
C.
Fig 12. Write control register
Fig 13. Read control register
002aac430
B7
B6
B5
B4
B3
B2
B1
B0
1
1
0
A2
A1
A0
0
A
S
1
A
P
slave address
START condition
R/W
acknowledge
from slave
acknowledge
from slave
control register
SDA
STOP condition
002aac431
1
1
0
A2
A1
A0
1
A
S
1
A
P
slave address
START condition
R/W
acknowledge
from slave
no acknowledge
from master
control register
SDA
STOP condition
last byte
B7
B6
B5
B4
B3
B2
B1
B0
Table 5.
In accordance with the Absolute Maximum Rating System (IEC 60134).
[1]
Symbol
Parameter
V
DD
supply voltage
V
I
input voltage
I
I
input current
I
O
output current
I
DD
supply current
I
SS
ground supply current
P
tot
total power dissipation
T
stg
storage temperature
T
amb
ambient temperature
Limiting values
Conditions
Min
0.5
0.5
20
25
100
100
-
60
40
Max
+7.0
+7.0
+20
+25
+100
+100
400
+150
+85
Unit
V
V
mA
mA
mA
mA
mW
°
C
°
C
operating
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9549BS | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Octal bus switch with individually I2C-bus controlled enables |
| PCA9549BS,118 | 功能描述:數(shù)字總線開(kāi)關(guān) IC 8-BIT I2C BUS SWITCH RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| PCA9549BS-T | 功能描述:數(shù)字總線開(kāi)關(guān) IC 8-BIT I2C BUS SWITCH W/RESET RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| PCA9549D | 功能描述:數(shù)字總線開(kāi)關(guān) IC 8-BIT I2C BUS SWITCH W/RESET RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| PCA9549D,112 | 功能描述:數(shù)字總線開(kāi)關(guān) IC 8-BIT I2C BUS SWITCH RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
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