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參數(shù)資料
| 型號： | PCF8574AT |
| 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 |
| 文件頁數(shù)： | 15/24頁 |
| 文件大?。?/td> | 132K |
| 代理商： | PCF8574AT |
2002 Nov 22
15
Philips Semiconductors
Product specification
Remote 8-bit I/O expander for I
2
C-bus
PCF8574
Note
1.
The Power-on reset circuit resets the I
2
C-bus logic at V
DD
< V
POR
and sets all I/Os to logic 1 (with current source to
V
DD
).
I/Os
V
IL
V
IH
I
IHL(max)
LOW level input voltage
HIGH level input voltage
maximum allowed input
current through protection
diode
LOW level output current
HIGH level output current
transient pull-up current
0.5
0.7V
DD
+0.3V
DD
V
DD
+ 0.5
±
400
V
V
μ
A
V
I
≥
V
DD
or V
I
≤
V
SS
I
OL
I
OH
I
OHt
V
OL
= 1 V; V
DD
= 5 V
V
OH
= V
SS
HIGH during acknowledge
(see Fig.15); V
OH
= V
SS
;
V
DD
= 2.5 V
10
30
25
1
300
mA
μ
A
mA
C
i
C
o
Port timing; C
L
≤
100 pF
(see Figs 11 and 12)
input capacitance
output capacitance
10
10
pF
pF
t
pv
t
su
t
h
Interrupt INT
(see Fig.14)
output data valid
input data set-up time
input data hold time
0
4
4
μ
s
μ
s
μ
s
I
OL
I
L
T
IMING
; C
L
≤
100 pF
t
iv
t
ir
Select inputs A0 to A2
LOW level output current
leakage current
V
OL
= 0.4 V
V
I
= V
DD
or V
SS
1.6
1
+1
mA
μ
A
input data valid time
reset delay time
4
4
μ
s
μ
s
V
IL
V
IH
I
LI
LOW level input voltage
HIGH level input voltage
input leakage current
0.5
0.7V
DD
250
+0.3V
DD
V
DD
+ 0.5
+250
V
V
nA
pin at V
DD
or V
SS
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCF8574AT | 制造商:NXP Semiconductors 功能描述:IC 8BIT I/O EXPANDER 8574 SOIC16 |
| PCF8574AT/3 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Remote 8-bit I/O expander for I2C-bus with interrupt |
| PCF8574AT/3,512 | 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 |
| PCF8574AT/3,518 | 功能描述:接口-I/O擴(kuò)展器 EXTENDED I/O EXPANDER I2C 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 |
| PCF8574AT/3,518-CUT TAPE | 制造商:NXP 功能描述:PCF8574 Series 2.5 - 6 V Remote 8-bit I/O Expander for I2C-bus - SOIC-16 |
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