E0C6003
● Oscillation Characteristics
Oscillation characteristics will vary according to different conditions (elements used, boad pattern). Use the following char-
acteristics are as reference values.
E0C6003 Crystal Oscillation
(Unless otherwise specified: VDD=0V, VSS=-3.0V, fOSC=32.768kHz, Crystal: C-002R (C
I
=35kΩ), C
G
=25pF, CD=built-in, Ta=25°C)
Characteristic
Oscillation start voltage
Oscillation stop voltage
Built-in capacitance (drain)
Symbol
Vsta
Vstp
Condition
Min.
-1.8
-1.8
Typ.
Max.
Unit
V
V
t
t
sta≤5sec (VSS
stp≤10sec (VSS
)
)
CD
Including the parasitic capacitance inside the IC
(in chip)
20
pF
Frequency/voltage deviation
Frequency/IC deviation
Frequency adjustment range
Harmonic oscillation start voltage
Permitted leak resistance
∂f/∂V
∂f/∂IC
∂f/∂C
V
SS=-1.8 to -3.6V
5
10
ppm
ppm
ppm
V
-10
40
G
C
C
G
G
=5 to 25pF
=5pF (VSS
V
hho
)
-3.6
Rleak
Between OSC1 and VDD
200
MΩ
E0C60L03 Crystal Oscillation
(Unless otherwise specified: VDD=0V, VSS=-1.5V, fOSC=32.768kHz, Crystal: C-002R (C
I
=35kΩ), C
G
=25pF, CD=built-in, Ta=25°C)
Characteristic
Oscillation start voltage
Oscillation stop voltage
Built-in capacitance (drain)
Symbol
Vsta
Vstp
Condition
Min.
-1.2
-1.2
Typ.
Max.
Unit
V
V
t
t
sta≤5sec (VSS
stp≤10sec (VSS
)
)
CD
Including the parasitic capacitance inside the IC
(in chip)
20
pF
Frequency/voltage deviation
Frequency/IC deviation
Frequency adjustment range
Harmonic oscillation start voltage
Permitted leak resistance
∂f/∂V
∂f/∂IC
∂f/∂C
V
SS=-1.2 to -2.0V
5
10
ppm
ppm
ppm
V
-10
40
G
C
C
G
G
=5 to 25pF
=5pF (VSS
V
hho
)
-2.0
Rleak
Between OSC1 and VDD
200
MΩ
E0C6003 CR Oscillation
(Unless otherwise specified: VDD=0V, VSS=-3.0V, RCR=470kΩ, Ta=25°C)
Characteristic
Oscillation frequency dispersion
Oscillation start voltage
Oscillation start time
Symbol
Condition
Min.
-20
-1.8
Typ.
65kHz
Max.
20
Unit
%
V
mS
V
fOSC
Vsta (VSS
sta SS=-1.8 to -3.6V
Vstp (VSS
)
t
V
3
Oscillation stop voltage
)
-1.8
E0C60L03 CR Oscillation
(Unless otherwise specified: VDD=0V, VSS=-1.5V, RCR=470kΩ, Ta=25°C)
Characteristic
Oscillation frequency dispersion
Oscillation start voltage
Oscillation start time
Symbol
Condition
Min.
-20
-1.2
Typ.
65kHz
Max.
20
Unit
%
V
mS
V
f
OSC
Vsta (VSS
sta
Vstp (VSS
)
t
V
SS=-1.2 to -2.0V
3
Oscillation stop voltage
)
-1.2
7