參數(shù)資料
型號: PCF8593
廠商: NXP SEMICONDUCTORS
元件分類: XO, clock
英文描述: Low power clock/calendar(低功耗時(shí)鐘/日歷)
中文描述: REAL TIME CLOCK
文件頁數(shù): 20/28頁
文件大?。?/td> 197K
代理商: PCF8593
1997 Mar 25
20
Philips Semiconductors
Product specification
Low power clock/calendar
PCF8593
Notes
1.
2.
Typical values measured at T
amb
= 25
°
C.
When powering up the device, V
DD
must exceed the specified minimum value by 300 mV to guarantee correct
start-up of the oscillator.
Event counter mode: supply current dependent upon input frequency.
Tested on sample basis.
3.
4.
C
i
input capacitance
note 4
7
pF
OSCI and RESET
I
LI
input leakage current
V
l
= V
DD
or V
SS
250
+250
nA
INT
I
OL
I
LI
LOW level output current
input leakage current
V
OL
= 0.4 V
V
l
= V
DD
or V
SS
1
1
+1
mA
μ
A
SCL
C
i
I
LI
input capacitance
input leakage current
note 4
V
I
= V
DD
or V
SS
1
7
+1
pF
μ
A
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
(1)
MAX.
UNIT
Fig.21 Typical supply current in clock mode as a function of supply voltage.
handbook, halfpage
0
8
4
0
2
4
6
MBD826
IDDO
(
μ
A)
VDD (V)
f
SCL
= 32 kHz; T
amb
= 25
°
C.
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