¡ Semiconductor
MSM62X42B
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
Parameter
Power supply voltage
Input voltage VI
Output voltage Vo
Storage temperature
Soldering conditions (lead)
Symbol
VDD
TSTG
TSOL
Conditions
Ta = 25°
—
—
Rating
– 0.3 to 7
-03 to VDD +0.3
-03 to VDD +0.3
–55 to +85
Temp.:under 260°C
Time :within 10 seconds
Unit
V
V
V
°C
Operating Conditions
Parameter
Symbol Conditions
Rating
Unit
Power supply voltage
VDD
—
4.5 to 5.5
V
Time Recording Supply Voltage
VCLK
—
2.0 to 5.5
V
Crystal Frequency
f(XT)
—
32.768
kHz
Operating Temperature
TOP
—
–40 to +85
°C
Note: Time Recording Supply Voltage: Power supply voltage to guarantee a crystal oscillator and time recording
Frequency Accuracy
Item
Frequency stability
Rank A
Rank S
Rank B
Temperature Characteristics
OCS starting time
Frequency Drift
Conditions
Ta = 25°C
VDD = 5V
–10 to +70°C (25°C standard)
–40 to +85°C ( ´´
)
At 4.5V, let "t" make "0"
Ta=25°C, VDD = 5V
First year
Rating
± 10
± 20
± 50
+10/ –120
+10/ –220
MAX 1
±5
Voltage characteristics
Ta=25°C
VDD = 4.5~5.5V
±5
* Rank A : 18pin DIP only
Rank S : 24pin SOP only
Rank B : 18pin DIP, 24pin SOP
Unit
PPM
PPM
Sec.
PPM/year
PPM/V
45