參數(shù)資料
型號(hào): 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(yè)數(shù): 11/27頁(yè)
文件大?。?/td> 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
11 of 27
Philips Semiconductors
PCA9545A
4-channel I
2
C switch with interrupt logic and reset
8.5 Bus transactions
Data is transmitted to the PCA9545A control register using the Write mode as shown in
Figure 12
.
Data is read from PCA9545A using the Read mode as shown in
Figure 13
.
Fig 12. Write control register
Fig 13. Read control register
002aab172
X
X
X
X
B3
B2
B1
B0
1
1
0
0
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
002aab173
INT3 INT2 INT1 INT0 B3
B2
B1
B0
1
1
0
0
A1
A0
1
A
S
1
NA
P
slave address
START condition
R/W
acknowledge
from slave
no acknowledge
from master
control register
SDA
STOP condition
last byte
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參數(shù)描述
PCA9545ABS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-channel I2C-bus switch with interrupt logic and reset
PCA9545ABS,118 功能描述:多路器開關(guān) IC I2C SWITCH 4CH RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻(最大值):7 Ohms 開啟時(shí)間(最大值): 關(guān)閉時(shí)間(最大值): 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16
PCA9545ABS-T 功能描述:多路器開關(guān) IC I2C SWITCH 4CH RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻(最大值):7 Ohms 開啟時(shí)間(最大值): 關(guān)閉時(shí)間(最大值): 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16
PCA9545AD 功能描述:多路器開關(guān) IC 4-CH I2C SWITCH W/INT+RESET RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻(最大值):7 Ohms 開啟時(shí)間(最大值): 關(guān)閉時(shí)間(最大值): 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16
PCA9545AD,112 功能描述:多路器開關(guān) IC 4-CH I2C SWITCH RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻(最大值):7 Ohms 開啟時(shí)間(最大值): 關(guān)閉時(shí)間(最大值): 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16