參數(shù)資料
型號: DS17285S-3+T&R
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: XO, clock
英文描述: 3V/5V Real-Time Clock
中文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO24
封裝: SO-24
文件頁數(shù): 19/38頁
文件大小: 411K
代理商: DS17285S-3+T&R
DS17285/DS17287
26 of 38
DC ELECTRICAL CHARACTERISTICS
Over the operating range (3V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Average VCC Power-Supply
Current
ICC1
15
30
mA
1, 2
CMOS Standby Current
( CS = VCC - 0.2V)
ICC2
0.5
2
mA
1, 2
Input Leakage Current
(Any Input)
IIL
-1
+1
mA
Output Leakage Current
IOL
-1
+1
mA
5
Output Logic 1 Voltage
at -0.6mA
VOH
2.4
V
Output Logic 0 Voltage
at +1.2mA
VOL
0.4
V
Power-Fail Trip Point
VPF
2.5
2.6
2.7
V
3
Battery Leakage OSC ON
IBAT1
0.50
0.7
mA
11
Battery Leakage OSC OFF
IBAT2
0.050
0.4
mA
11
I/O Leakage
ILO
-1
+1
mA
4
PWR
Output at 0.4V
IOLPWR
4mA
IRQ
Output at 0.4V
IOLIRQ
0.8
mA
CRYSTAL SPECIFICATIONS*
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Nominal Frequency
FO
32.768
kHz
Series Resistance
ESR
45
k
Load Capacitance
CL
6 or 12.5
pF
*The crystal, traces, and crystal input pins should be isolated from RF generating signals. Refer to Application
Note 58, “Crystal Considerations for Dallas Real-Time Clocks” for additional specification.
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