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參數(shù)資料
| 型號： | PCF8574T |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | I2C/I2S |
| 英文描述： | Remote 8-bit I-O expander for I2C-bus |
| 封裝： | PCF8574AP<SOT38-4 (DIP16)|<<http://www.nxp.com/packages/SOT38-4.html<1<Always Pb-free,;PCF8574AT/3<SOT162-1 (SO16)|<<http://www.nxp.com/packages/SOT162-1.html<1<wee |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 132K |
| 代理商： | PCF8574T |
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2
1
P
P
R
2
C
P
h
MBD975
S
0
1
0
0
A2
A1
A0
1
A
start condition
DATA 1
R/W
acknowledge
from slave
A
DATA 4
1
SDA
READ FROM
PORT
tph
DATA INTO
PORT
slave address (PCF8574)
data from port
data from port
acknowledge
from slave
stop
condition
tps
DATA 4
P
DATA 2
DATA 3
tir
tir
tiv
INT
Fig.12 READ mode (input).
A LOW-to-HIGH transition of SDA, while SCL is HIGH is defined as the stop condition (P). Transfer of data can be stopped at any moment by a stop condition. When this occurs, data present
at the last acknowledge phase is valid (output mode). Input data is lost.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCF8574T K72741 | 制造商:NXP Semiconductors 功能描述: |
| PCF8574T | 制造商:NXP Semiconductors 功能描述:IC SM I/O EXPANDER 8-BIT |
| PCF8574T/3 | 制造商:NXP Semiconductors 功能描述:I/O Expander 16-Pin SO 制造商:NXP Semiconductors 功能描述:I/O Expander 16-Pin SO Bulk 制造商:NXP Semiconductors 功能描述:I/O EXPANDER 8BIT REMOTE SO-16 制造商:NXP Semiconductors 功能描述:I/O EXPANDER, 8BIT REMOTE, SO-16 |
| PCF8574T/3,512 | 功能描述:I2C 接口集成電路 REMOTE I/O EXPANDER RoHS:否 制造商:NXP Semiconductors 電源電壓-最大:5.5 V 電源電壓-最小:2.3 V 最大工作頻率:400 KHz 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-16 |
| PCF8574T/3,518 | 功能描述:接口-I/O擴展器 I/O EXPANDER I2C RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
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