FEDL63187B-06
1Semiconductor
ML63187B/63189B
RECOMMENDED OPERATING CONDITIONS
• When backup is used
(VSS = 0 V)
Parameter
Symbol
Top
Condition
—
Range
Unit
°C
V
Operating Temperature
–20 to +70
0.9 to 2.7
VDD
—
Operating Voltage
VDDI
fXT
—
0.9 to 5.5
V
Crystal Oscillation Frequency
CG = 5 to 25 pF
ROSL = 1.0 MΩ
ROSL = 1.1 MΩ
ROSL = 1.2 MΩ
VDD = 0.9 to 1.2 V
VDD = 1.2 to 2.7 V
VDD = 1.5 to 2.7 V
VDD = 0.9 to 1.2 V
32.768 to 76.8
36 ±30%
kHz
Low-Speed RC Oscillation
Frequency
fROSL
33 ±30%
kHz
Hz
30 ±30%
Not applied
300k to 500k
200k to 1M
Not applied
200k ±30%
700k ±30%
1M ±30%
Ceramic Oscillation Frequency
fCM
ROSH = 400 kΩ
High-speed RC Oscillation
Frequency
fROSH
Hz
VDD = 1.2 to 2.7 V ROSH = 100 kΩ
ROSH = 75 kΩ
• When backup is not used
(VSS = 0 V)
Unit
Parameter
Symbol
Top
Condition
—
Range
–20 to +70
1.8 to 5.5
Operating Temperature
°C
VDD
—
Operating Voltage
V
VDDI
fXT
—
1.8 to 5.5
Crystal Oscillation Frequency
CG = 5 to 25 pF
ROSL = 1.0 MΩ
ROSL = 1.1 MΩ
ROSL = 1.2 MΩ
VDD = 1.8 to 5.5 V
ROSH = 100 kΩ
VDD = 1.8 to 5.5 V ROSH = 75 kΩ
32.768 to 76.8
36 ±30%
kHz
Low-Speed RC Oscillation
Frequency
fROSL
33 ±30%
kHz
Hz
30 ±30%
Ceramic Oscillation Frequency
fCM
200k to 2M
700k ±30%
1M ±30%
1.35M ±30%
2M ±30%
High-speed RC Oscillation
Frequency
fROSH
Hz
ROSH = 51 kΩ
VDD = 1.8 to 3.5 V, ROSH = 30 kΩ
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