參數(shù)資料
型號(hào): MSM62X42B
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: Real Time Clock IC With Built-In Crystal(具有內(nèi)置晶振的實(shí)時(shí)時(shí)鐘電路)
中文描述: 實(shí)時(shí)時(shí)鐘芯片,配有水晶(具有內(nèi)置晶振的實(shí)時(shí)時(shí)鐘電路)
文件頁數(shù): 5/27頁
文件大?。?/td> 204K
代理商: MSM62X42B
Semiconductor
MSM62X42B
45
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
Operating Conditions
Frequency Accuracy
Parameter
Symbol
Conditions
Rating
Unit
Power supply voltage
Input voltage V
I
Output voltage Vo
Storage temperature
Soldering conditions (lead)
V
DD
T
STG
T
SOL
Ta = 25°
– 0.3 to 7
-03 to V
DD
+0.3
-03 to V
DD
+0.3
–55 to +85
V
V
V
°C
Temp.:under 260°C
Time :within 10 seconds
Parameter
Symbol
Conditions
Rating
Unit
Power supply voltage
Time Recording Supply Voltage
Crystal Frequency
Operating Temperature
V
DD
V
CLK
f
(XT)
T
OP
4.5 to 5.5
2.0 to 5.5
32.768
–40 to +85
V
V
kHz
°C
Note:
Time Recording Supply Voltage: Power supply voltage to guarantee a crystal oscillator and time recording
Item
Conditions
Rating
Unit
Temperature Characteristics
OCS starting time
Frequency Drift
Voltage characteristics
–10 to +70°C (25°C standard)
–40 to +85°C (
At 4.5V, let "t" make "0"
Ta=25°C, V
DD
= 5V
First year
Ta=25°C
V
DD
= 4.5~5.5V
± 10
± 20
± 50
+10/ –120
+10/ –220
MAX 1
± 5
± 5
PPM
Sec.
PPM/year
PPM/V
Rank A
Rank S
Rank B
′′
)
Frequency stability
Ta = 25°C
V
DD
= 5V
PPM
Rank A : 18pin DIP only
Rank S : 24pin SOP only
Rank B : 18pin DIP, 24pin SOP
*
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