Remote 8-bit I/O expander for I2
參數(shù)資料
型號(hào): PCF8574P,112
廠商: NXP Semiconductors
文件頁數(shù): 24/24頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 16DIP
產(chǎn)品培訓(xùn)模塊: I²C Bus Fundamentals
特色產(chǎn)品: NXP - I2C Interface
標(biāo)準(zhǔn)包裝: 25
接口: I²C
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時(shí)鐘: 100kHz
電源電壓: 2.5 V ~ 6 V
工作溫度: -40°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 16-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 16-DIP
包裝: 管件
包括: POR
產(chǎn)品目錄頁面: 827 (CN2011-ZH PDF)
配用: 568-3615-ND - DEMO BOARD I2C
其它名稱: 568-1075-5
933706060112
PCF8574PN
2002 Nov 22
9
Philips Semiconductors
Product specication
Remote 8-bit I/O expander for I2C-bus
PCF8574
7
FUNCTIONAL DESCRIPTION
Fig.9 Simplified schematic diagram of each I/O.
handbook, full pagewidth
MBD977
DQ
CI
S
FF
DQ
CI
S
FF
100
A
to interrupt
logic
VSS
P0 to P7
VDD
write pulse
data from
shift register
power-on
reset
read pulse
data to
shift register
7.1
Addressing
For addressing see Figs 10, 11 and 12.
Fig.10 PCF8574 and PCF8574A slave addresses.
handbook, full pagewidth
MBD973
S
0
1
0
A2
A1
A0
0
A
1
0
slave address
A
S
0
1
A2
A1
A0
a. PCF8574.
b. PCF8574A.
Each of the PCF8574’s eight I/Os can be independently used as an input or output. Input data is transferred from the
port to the microcontroller by the READ mode (see Fig.12). Output data is transmitted to the port by the WRITE mode
(see Fig.11).
相關(guān)PDF資料
PDF描述
PCF8574T/3,512 IC I/O EXPANDER I2C 8B 16SOIC
PCA9554PW/DG,118 IC I/O EXPANDER I2C 8B 16TSSOP
PCA8574D,512 IC I/O EXPANDER I2C 8B 16SOIC
PCA8574AD,512 IC I/O EXPANDER I2C 8B 16SOIC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
PCF8574PWE4 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
PCF8574PWG4 功能描述:接口-I/O擴(kuò)展器 Remote 8-Bit 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