¡ Semiconductor
ML63187/63189B
RECOMMENDED OPERATING CONDITIONS
• When backup is used
(VSS = 0 V)
Parameter
Symbol
Top
Condition
Range
Unit
°C
Operating Temperature
—
–20 to +70
0.9 to 2.7
VDD
—
—
V
Operating Voltage
VDDI
fXT
0.9 to 5.5
V
Crystal Oscillation Frequency
32.768 to 76.8
32 30ꢀ
kHz
CG = 5 to 25 pF
R
OSL = 1.5 MW
Low-speed RC Oscillation
Frequency
fROSL
ROSL = 700 kW
ROSL = 500 kW
60 30ꢀ
kHz
Hz
80 30ꢀ
VDD = 0.9 to 1.2 V
VDD = 1.2 to 2.7 V
Not applied
300k to 500k
200k to 1M
Not applied
200k 30ꢀ
700k 30ꢀ
1M 30ꢀ
Ceramic Oscillation Frequency
fCM
V
DD = 1.5 to 2.7 V
VDD = 0.9 to 1.2 V
ROSH = 400 kW
VDD = 1.2 to 2.7 V ROSH = 100 kW
OSH = 75 kW
High-speed RC Oscillation
Frequency
fROSH
Hz
R
• When backup is not used
(VSS = 0 V)
Parameter
Symbol
Top
Condition
Range
–20 to +70
1.8 to 5.5
Unit
°C
Operating Temperature
—
VDD
—
—
V
Operating Voltage
VDDI
fXT
1.8 to 5.5
V
Crystal Oscillation Frequency
32.768 to 76.8
32 30ꢀ
kHz
CG = 5 to 25 pF
R
OSL = 1.5 MW
Low-speed RC Oscillation
Frequency
fROSL
fCM
= 700 kW
60 30ꢀ
kHz
Hz
ROSL
80 30ꢀ
ROSL = 500 kW
Ceramic Oscillation Frequency
VDD = 1.8 to 5.5 V
200k to 2M
700k 30ꢀ
1M 30ꢀ
1.35M 30ꢀ
2M 30ꢀ
ROSH = 100 kW
High-speed RC Oscillation
Frequency
VDD = 1.8 to 5.5 V ROSH = 75 kW
ROSH = 51 kW
fROSH
Hz
VDD = 1.8 to 3.5 V, ROSH = 30 kW
19/35
OKI [ OKI ELECTRONIC COMPONETS ]
