E0C6005
q
Oscillation Characteristics
Oscillation characteristics will vary according to different conditions (elements used, boad pattern). Use the following char-
acteristics are as reference values.
E0C6005
(Unless otherwise specified: V
DD
=0V, V
SS
=-3.0V, Crystal: C-002R (C
I
=35kΩ), C
G
=25pF, C
D
=built-in, Ta=25°C)
Characteristic
Symbol
Condition
Min.
Typ.
Max.
Unit
Oscillation start voltage
Vsta
t
sta≤5sec (V
SS
)
-1.8
V
Oscillation stop voltage
Vstp
t
stp≤10sec (V
SS
)
-1.8
V
Built-in capacitance (drain)
C
D
Including the parasitic capacity inside the IC
20
pF
Frequency/voltage deviation
∂f/∂V
V
SS
=-1.8 to -3.5V
5
ppm
Frequency/IC deviation
∂f/∂IC
-10
10
ppm
Frequency adjustment range
∂f/∂C
G
C
G
=5 to 25pF
40
ppm
Harmonic oscillation start voltage V
hho
C
G
=5pF (V
SS
)
-3.6
V
Allowable leak resistance
R
leak
Between OSC1 and V
DD
,
200
MΩ
and between V
SS
and OSC1
E0C60L05
(Unless otherwise specified: V
DD
=0V, V
SS
=-1.5V, Crystal: C-002R (C
I
=35kΩ), C
G
=25pF, C
D
=built-in, Ta=25°C)
Characteristic
Symbol
Condition
Min.
Typ.
Max.
Unit
Oscillation start voltage
Vsta
t
sta≤5sec (V
SS
)
-1.2
V
Oscillation stop voltage
Vstp
t
stp≤10sec (V
SS
)
-1.2
V
Built-in capacitance (drain)
C
D
Including the parasitic capacity inside the IC
20
pF
Frequency/voltage deviation
5
∂f/∂V
V
SS
=-1.2 to -2.0V (-0.9)
*
1
ppm
Frequency/IC deviation
-10
10
∂f/∂IC
ppm
Frequency adjustment range
40
∂f/∂C
G
C
G
=5 to 25pF
ppm
Harmonic oscillation start voltage V
hho
-2.0
C
G
=5pF (V
SS
)
V
Allowable leak resistance
200
R
leak
Between OSC1 and V
DD
,
MΩ
and between V
SS
and OSC1
∗1:
Items enclosed in parentheses ( ) are those used when operating at heavy load protection mode.
E0C6005 (CR)
Characteristic
Oscillation frequency dispersion
Oscillation start voltage
Oscillation start time
Oscillation stop voltage
Symbol
f
OSC
Vsta
t
sta
V
SS
=-1.8 to -3.5V
Vstp
(Unless otherwise specified: V
DD
=0V, V
SS
=-3.0V, R
CR
=420kΩ, Ta=25°C)
Condition
Unit
Min.
Typ.
Max.
%
-20
65kHz
20
V
-1.8
mS
3
V
-1.8
E0C60L05 (CR)
Characteristic
Oscillation frequency dispersion
Oscillation start voltage
Oscillation start time
Oscillation stop voltage
Symbol
f
OSC
Vsta
t
sta
V
SS
=-1.2 to -2.0V
Vstp
(Unless otherwise specified: V
DD
=0V, V
SS
=-1.5V, R
CR
=420kΩ, Ta=25°C)
Min.
Typ.
Max.
Unit
Condition
-20
65kHz
20
%
-1.2
V
3
mS
-1.2
V
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© Seiko Epson Corporation 1999 All right reserved.
SEIKO EPSON CORPORATION
ELECTRONIC DEVICES MARKETING DIVISION
IC Marketing & Engineering Group
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I
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