參數(shù)資料
型號(hào): PCF8563
廠商: NXP Semiconductors N.V.
英文描述: Real-time clock/calendar(實(shí)時(shí)時(shí)鐘/日歷)
中文描述: 實(shí)時(shí)時(shí)鐘/日歷(實(shí)時(shí)時(shí)鐘/日歷)
文件頁(yè)數(shù): 18/30頁(yè)
文件大小: 676K
代理商: PCF8563
Philips Semiconductors
PCF8563
Real-time clock/calendar
Product specification
16 April 1999
18 of 30
9397 750 04855
Philips Electronics N.V. 1999. All rights reserved.
[1]
[2]
[3]
For reliable oscillator start-up at power-up: V
DD(min)power-up
= V
DD(min)
+ 0.3 V.
Timer source clock =
1
60
Hz; SCL and SDA = V
DD.
Tested on sample basis.
I
OH(CLKOUT)
HIGH-level output current;
pin CLKOUT
I
LO
output leakage current
Voltage detector
V
low
voltage-low detection level
V
OH
= 4.6 V; V
DD
= 5 V
1
mA
V
O
= V
DD
or V
SS
1
+1
μ
A
T
amb
= 25
°
C
0.9
1.0
V
Table 29: Static characteristics
…continued
V
DD
= 1.8 to 5.5 V; V
SS
= 0 V; T
amb
=
40 to 85
°
C; f
OSC
= 32.768 kHz; quartz R
s
= 40 k
; C
L
= 8 pF; unless otherwise
specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
T
amb
= 25
°
C; Timer = 1 minute.
Fig 14. I
DD
as a function of V
DD
; CLKOUT disabled.
T
amb
= 25
°
C; Timer = 1 minute.
Fig 15. I
DD
as a function of V
DD
; CLKOUT = 32 kHz.
V
DD
= 3 V; Timer = 1 minute.
Fig 16. I
DD
as a function of T
amb
; CLKOUT = 32 kHz.
T
amb
= 25
°
C; normalized to V
DD
= 3 V.
Fig 17. Frequency deviation as function of V
DD
.
handbook, halfpage
(
μ
A)
0
2
6
MGR888
4
VDD (V)
0
0.4
0.2
0.8
0.6
handbook, halfpage
(
μ
A)
0
2
6
MGR889
4
VDD (V)
0
0.4
0.2
0.8
0.6
handbook, halfpage
(
μ
A)
40
0
40
120
MGR890
80
T (
°
C)
0
0.4
0.2
0.8
0.6
handbook, halfpage
0
2
6
4
2
4
2
0
MGR891
4
VDD (V)
frequency
deviation
(ppm)
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