參數(shù)資料
型號: PCF8574T/3,518
廠商: NXP Semiconductors
文件頁數(shù): 2/24頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 16SOIC
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: 1
接口: I²C
輸入/輸出數(shù): 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: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SO
包裝: 標(biāo)準(zhǔn)包裝
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: 568-1077-6
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2002
Nov
22
10
Philips
Semiconductors
Product
specication
Remote
8-bit
I/O
e
xpander
f
or
I
2C-b
us
PCF8574
a
ndbook,
full
pagewidth
MBD974
S
0
1
0
A2
A1
A0
0
A
start condition
DATA 1
R/W
acknowledge
from slave
A
DATA 2
A
SDA
SCL
WRITE TO
PORT
t pv
DATA OUT
FROM PORT
slave address (PCF8574)
data to port
12
345
678
acknowledge
from slave
acknowledge
from slave
t pv
DATA 2 VALID
DATA 1 VALID
Fig.11 WRITE mode (output).
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