參數(shù)資料
型號: PCA8565
廠商: NXP Semiconductors N.V.
英文描述: Real time clock/calender
中文描述: 實時時鐘/ calender
文件頁數(shù): 16/26頁
文件大?。?/td> 581K
代理商: PCA8565
Philips Semiconductors
PCA8565
Real time clock/calender
Product data
Rev. 01 — 31 March 2003
16 of 26
9397 750 10695
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
[1]
[2]
[3]
[4]
Timer source clock =
1
60
Hz, level of pins SCL and SDA is V
DD
or V
SS
.
Worst case is at high temperature and high supply voltage.
Timer source clock =
1
60
Hz, level of pins SCL and SDA is V
DD
or V
SS
.
Tested on sample basis.
I
DD3
supply current 3
interface inactive (f
SCL
= 0 Hz);
CLKOUT enabled at 32 kHz;
T
amb
= 25
°
C
V
DD
= 5.0 V
V
DD
= 4.0 V
V
DD
= 3.0 V
V
DD
= 2.0 V
V
DD
= 5.0 V;T
amb
= 125
°
C
[3]
-
-
-
-
1000
900
800
700
1000
2000
1800
1600
1400
6000
nA
nA
nA
nA
nA
[2]
-
Inputs
V
IL
V
IH(SCL)
LOW-level input voltage
SCL HIGH-level input
voltage
SDA HIGH-level input
voltage
OSCI HIGH-level input
voltage
SCL input leakage current V
I
= V
DD
or V
SS
SDA input leakage current V
I
= V
DD
or V
SS
input capacitance
V
SS
0.3
0.7V
DD
-
-
0.3V
DD
5.5
V
V
V
IH(SDA)
0.7V
DD
-
5.5
V
V
IH(OSCI)
0.7V
DD
-
V
DD
+ 0.3
V
I
LI(SCL)
I
LI(SDA)
C
i
Outputs
I
OL(SDA)
1
1
0
0
-
+1
+1
7
μ
A
μ
A
pF
[4]
-
SDA LOW-level output
current
INT LOW-level output
current
CLKOUT LOW-level
output current
output leakage current
V
OL
= 0.4 V; V
DD
= 5 V
3
-
-
mA
I
OL(INT)
V
OL
= 0.4 V; V
DD
= 5 V
1
-
-
mA
I
OL(CLKOUT)
V
O
= V
DD
or V
SS
1
-
-
mA
I
LO
Voltage detector
V
low
Temperature
T
amb
1
0
+1
μ
A
low voltage detection
-
0.9
1.7
V
ambient temperature
40
+125
°
C
Table 28:
V
DD
= 1.8 to 5.5 V; V
SS
= 0 V; T
amb
=
40 to +125
°
C; f
osc
= 32.768 kHz; quartz R
s
= 40 k
; C
L
= 8 pF; unless otherwise
specified.
Symbol
Parameter
Conditions
Static characteristics
…continued
Min
Typ
Max
Unit
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