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參數(shù)資料
| 型號(hào)： | PCA9561 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Quad 6-bit multiplexed I2C EEPROM DIP switch |
| 中文描述： | 四6位多路復(fù)用的I2C EEPROM的DIP開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 7/17頁(yè) |
| 文件大?。?/td> | 111K |
| 代理商： | PCA9561 |
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Philips Semiconductors
Product data
PCA9561
Quad 6-bit multiplexed I
2
C EEPROM DIP switch
2003 Jun 27
7
CHARACTERISTICS OF THE I
2
C-BUS
The I
2
C-bus is for 2-way, 2-line communication between different ICs or modules. The two lines are a serial data line (SDA) and a serial clock line
(SCL). Both lines must be connected to a positive supply via a pull-up resistor when connected to the output stages of a device. Data transfer may
be initiated only when the bus is not busy.
Bit transfer
One data bit is transferred during each clock pulse. The data on the SDA line must remain stable during the HIGH period of the clock pulse as
changes in the data line at this time will be interpreted as control signals (see Figure 3).
SDA
SCL
SW00363
data line
stable;
data valid
change
of data
allowed
Figure 3. Bit transfer
Start and stop conditions
Both data and clock lines remain HIGH when the bus is not busy. A HIGH-to-LOW transition of the data line, while the clock is HIGH is defined
as the start condition (S). A LOW-to-HIGH transition of the data line while the clock is HIGH is defined as the stop condition (P) (see Figure 4).
System configuration
A device generating a message is a ‘transmitter’, a device receiving is the ‘receiver’. The device initiates a transfer is the ‘master’ and the
devices which are controlled by the master are the ‘slaves’ (see Figure 5).
SDA
SCL
SW00365
S
P
SDA
SCL
START condition
STOP condition
Figure 4. Definition of start and stop conditions
MASTER
TRANSMITTER/
RECEIVER
SLAVE
RECEIVER
SLAVE
TRANSMITTER/
RECEIVER
MASTER
TRANSMITTER
MASTER
TRANSMITTER/
RECEIVER
SDA
SCL
SW00366
I
2
C
MULTIPLEXER
SLAVE
Figure 5. System configuration
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9561D | 功能描述:電可擦除可編程只讀存儲(chǔ)器 QUAD 6-BT MULTIPLEX I2C 電可擦除可編程只讀存儲(chǔ)器 RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| PCA9561D,112 | 功能描述:多路器開(kāi)關(guān) IC QUAD 6-BT MULTIPLEX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)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 |
| PCA9561D,118 | 功能描述:多路器開(kāi)關(guān) IC QUAD 6-BT MULTIPLEX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)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 |
| PCA9561D-T | 功能描述:電可擦除可編程只讀存儲(chǔ)器 QUAD 6-BT MULTIPLEX I2C 電可擦除可編程只讀存儲(chǔ)器 RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| PCA9561PW | 功能描述:電可擦除可編程只讀存儲(chǔ)器 QUAD 6-BT MULTIPLEX I2C 電可擦除可編程只讀存儲(chǔ)器 RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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