Remote 8-bit I/O expander for I2
參數(shù)資料
型號: PCF8574T/3,512
廠商: NXP Semiconductors
文件頁數(shù): 8/24頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 16SOIC
產(chǎn)品培訓模塊: I²C Bus Fundamentals
特色產(chǎn)品: NXP - I2C Interface
標準包裝: 48
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: 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: 568-1076-5
935275617512
PCF8574TD
2002 Nov 22
16
Philips Semiconductors
Product specication
Remote 8-bit I/O expander for I2C-bus
PCF8574
11 I2C-BUS TIMING CHARACTERISTICS
Note
1. All the timing values are valid within the operating supply voltage and ambient temperature range and refer to VIL
and VIH with an input voltage swing of VSS to VDD.
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
I2C-bus timing (see Fig.16; note 1)
fSCL
SCL clock frequency
100
kHz
tSW
tolerable spike width on bus
100
ns
tBUF
bus free time
4.7
s
tSU;STA
START condition set-up time
4.7
s
tHD;STA
START condition hold time
4.0
s
tLOW
SCL LOW time
4.7
s
tHIGH
SCL HIGH time
4.0
s
tr
SCL and SDA rise time
1.0
s
tf
SCL and SDA fall time
0.3
s
tSU;DAT
data set-up time
250
ns
tHD;DAT
data hold time
0
ns
tVD;DAT
SCL LOW to data out valid
3.4
s
tSU;STO
STOP condition set-up time
4.0
s
Fig.16 I2C-bus timing diagram.
handbook, full pagewidth
PROTOCOL
SCL
SDA
MBD820
BIT 0
LSB
(R/W)
t HD;STA
t
SU;DAT
t
HD;DAT
t
VD;DAT
t SU;STO
t
f
r
t
BUF
t
SU;STA
t
LOW
t HIGH
1 / f SCL
START
CONDITION
(S)
BIT 7
MSB
(A7)
BIT 6
(A6)
ACKNOWLEDGE
(A)
STOP
CONDITION
(P)
相關(guān)PDF資料
PDF描述
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
PCA8574PW,112 IC I/O EXPANDER I2C 8B 16TSSOP
PCA9554DB,112 IC I/O EXPANDER I2C 8B 16SSOP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF8574TD 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
PCF8574TDK-T 制造商:NXP Semiconductors 功能描述: 制造商:PHILIPS-SEMI 功能描述:
PCF8574TDM 制造商:NXP Semiconductors 功能描述:
PCF8574TD-T 制造商:NXP Semiconductors 功能描述:
PCF8574TS 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Remote 8-bit I/O expander for I2C-bus