參數資料
型號: PCF8574ATS/3,118
廠商: NXP Semiconductors
文件頁數: 3/24頁
文件大小: 0K
描述: IC I/O EXPANDER I2C 8B 20SSOP
產品培訓模塊: I²C Bus Fundamentals
特色產品: NXP - I2C Interface
標準包裝: 1
接口: I²C
輸入/輸出數: 8
中斷輸出:
頻率 - 時鐘: 100kHz
電源電壓: 2.5 V ~ 6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-LSSOP(0.173",4.40mm 寬)
供應商設備封裝: 20-SSOP
包裝: 標準包裝
包括: POR
產品目錄頁面: 827 (CN2011-ZH PDF)
配用: 568-3615-ND - DEMO BOARD I2C
其它名稱: 568-2030-6
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2002
Nov
22
11
Philips
Semiconductors
Product
specication
Remote
8-bit
I/O
e
xpander
f
or
I
2C-b
us
PCF8574
handbook,
full
pagewidth
MBD975
S
0
1
0
A2
A1
A0
1
A
start condition
DATA 1
R/W
acknowledge
from slave
A
DATA 4
1
SDA
READ FROM
PORT
t ph
DATA INTO
PORT
slave address (PCF8574)
data from port
acknowledge
from slave
stop
condition
t ps
DATA 4
P
DATA 2
DATA 3
t ir
t iv
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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相關代理商/技術參數
參數描述
PCF8574DGVR 功能描述:接口-I/O擴展器 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
PCF8574DGVRE4 功能描述:接口-I/O擴展器 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
PCF8574DGVRG4 功能描述:接口-I/O擴展器 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
PCF8574DW 功能描述:接口-I/O擴展器 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
PCF8574DW 制造商:Texas Instruments 功能描述:IC EXPANDER 8BIT SMD