參數(shù)資料
型號(hào): PCA8575DK
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Remote 16-bit I/O expander for I2C-bus with interrupt
中文描述: 18 I/O, PIA-GENERAL PURPOSE, PDSO24
封裝: 3.90 MM, 0.635 MM PITCH, PLASTIC, MO-137, SOT556-1, SSOP-24
文件頁數(shù): 16/30頁
文件大小: 168K
代理商: PCA8575DK
PCA8575_1
NXP B.V. 2006. All rights reserved.
Objective data sheet
Rev. 01 — 30 November 2006
16 of 30
NXP Semiconductors
PCA8575
Remote 16-bit I/O expander for I
2
C-bus with interrupt
12. Static characteristics
[1]
The power-on reset circuit resets the I
2
C-bus logic with V
DD
< V
POR
and set all I/Os to logic 1 (with current source to V
DD
).
Each bit must be limited to a maximum of 25 mA and the total package limited to 400 mA due to internal busing limits.
[2]
[3]
The value is not tested, but verified on sampling basis.
Table 5.
V
DD
= 2.3 V to 5.5 V; V
SS
= 0 V; T
amb
=
40
°
C to +85
°
C; unless otherwise specified.
Symbol
Parameter
Supplies
V
DD
supply voltage
I
DD
supply current
Static characteristics
Conditions
Min
Typ
Max
Unit
2.3
-
-
100
5.5
200
V
μ
A
Operating mode; no load;
V
I
= V
DD
or V
SS
; f
SCL
= 400 kHz
Standby mode; no load;
V
I
= V
DD
or V
SS
I
stb
standby current
-
2.5
10
μ
A
V
POR
Input SCL; input/output SDA
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage
I
OL
LOW-level output current
I
L
leakage current
C
i
input capacitance
I/Os; P00 to P07 and P10 to P17
I
OL
LOW-level output current
[2]
power-on reset voltage
[1]
-
1.8
2.0
V
0.5
0.7V
DD
20
1
-
-
-
-
-
5
+0.3V
DD
V
5.5
-
+1
10
V
mA
μ
A
pF
V
OL
= 0.4 V
V
I
= V
DD
or V
SS
V
I
= V
SS
V
OL
= 0.5 V; V
DD
= 2.3 V
V
OL
= 0.5 V; V
DD
= 3.0 V
V
OL
= 0.5 V; V
DD
= 4.5 V
V
OL
= 0.5 V; V
DD
= 4.5 V
V
OH
= V
SS
12
17
25
-
30
0.5
<tbd>
<tbd>
<tbd>
-
<tbd>
1.0
<tbd>
<tbd>
-
-
-
400
300
-
10
10
mA
mA
mA
mA
μ
A
mA
pF
pF
I
OL(tot)
I
OH
I
trt(pu)
C
i
C
o
Interrupt INT
I
OL
C
o
Inputs AD0, AD1, AD2
V
IL
LOW-level input voltage
V
IH
HIGH-level input voltage
I
LI
input leakage current
C
i
input capacitance
total LOW-level output current
[2]
HIGH-level output current
transient boosted pull-up current V
OH
= V
SS
; see
Figure 11
input capacitance
output capacitance
[3]
-
[3]
-
LOW-level output current
output capacitance
V
OL
= 0.4 V
6
-
-
3
-
5
mA
pF
0.5
0.7V
DD
1
-
-
-
-
3.5
+0.3V
DD
V
5.5
+1
5
V
μ
A
pF
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