參數(shù)資料
型號: STK17TA8RF25I
元件分類: 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述: REAL TIME CLOCK, PDSO48
封裝: 0.300 INCH, 0.025 INCH PITCH, ROHS COMPLIANT, PLASTIC, SSOP-48
文件頁數(shù): 23/27頁
文件大?。?/td> 712K
代理商: STK17TA8RF25I
STK17TA8
July 2006
Document Control #ML0025 rev 1.4
5
RTC DC CHARACTERISTICS
Commercial
Industrial
Symbol
Parameter
MIN
MAX
MIN
MAX
Units
Notes
IBAK
RTC Backup Current
-
300
-
350
nA
From either VRTCcap or VRTCbat
VRTCbat
RTC Battery Pin Voltage
1.8
3.3
1.8
3.3
V
Typical = 3.0 Volts during normal
operation
VRTCcap
RTC Capacitor Pin Voltage
1.2
2.7
1.2
2.7
V
Typical = 2.4 Volts during normal
operation
-
10
-
10
sec
@ MIN Temperature from Power up
or Enable
tOSCS
RTC Oscillator time to start
-
5
-
5
sec
@25C from Power up or Enable
RTC RECOMMENDED COMPONENT CONFIGURATION
C
1
X1
X2
C
2
RF
Y
1
Recommended Values
Y1 = 32.768 KHz
RF = 10M Ohm
C1 = 0
C2 = 56 pF
Figure 4. RTC COMPONENT CONFIGURATION
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