參數(shù)資料
型號(hào)： PCF8574P
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(yè)數(shù)： 11/24頁(yè)
文件大小： 132K
代理商： PCF8574P
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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
PCF8574P,112 功能描述:接口-I/O擴(kuò)展器 REMOTE I/O EXPANDER 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(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCF8574P112 制造商:NXP Semiconductors 功能描述:IC I/O EXPANDER 8BIT 100KHZ DIP-16
PCF8574PN 制造商:NXP Semiconductors 功能描述:IC, I/O EXPANDER, 8BIT, 100KHZ, DIP-16; Chip Configuration:8bit; Bus Frequency:100kHz; IC Interface Type:I2C; Supply Voltage Min:2.5V; Supply Voltage Max:6V; Digital IC Case Style:DIP; No. of Pins:16; No. of I/O's:8 ;RoHS Compliant: Yes
PCF8574PW 功能描述:接口-I/O擴(kuò)展器 Remote 8-Bit I/O Expander for I2C-Bus 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(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCF8574PW 制造商:Texas Instruments 功能描述:IC EXPANDER 8BIT SMD TSSOP20
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