E0C6005
● 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: VDD=0V, VSS=-3.0V, Crystal: C-002R (CI=35kΩ), CG=25pF, CD=built-in, Ta=25°C)
Characteristic
Oscillation start voltage
Oscillation stop voltage
Built-in capacitance (drain)
Frequency/voltage deviation
Frequency/IC deviation
Frequency adjustment range
Symbol
Vsta
Vstp
CD
∂f/∂V
∂f/∂IC
Condition
Min.
-1.8
-1.8
Typ.
Max.
Unit
V
V
tsta≤5sec (VSS)
tstp≤10sec (VSS)
Including the parasitic capacity inside the IC
VSS=-1.8 to -3.5V
20
pF
5
10
ppm
ppm
ppm
V
-10
40
∂f/∂CG CG=5 to 25pF
Harmonic oscillation start voltage Vhho
CG=5pF (VSS)
-3.6
Allowable leak resistance
Rleak
Between OSC1 and VDD,
and between VSS and OSC1
200
MΩ
E0C60L05
(Unless otherwise specified: VDD=0V, VSS=-1.5V, Crystal: C-002R (CI=35kΩ), CG=25pF, CD=built-in, Ta=25°C)
Characteristic
Oscillation start voltage
Oscillation stop voltage
Built-in capacitance (drain)
Frequency/voltage deviation
Frequency/IC deviation
Frequency adjustment range
Symbol
Vsta
Vstp
CD
∂f/∂V
∂f/∂IC
Condition
Min.
-1.2
-1.2
Typ.
Max.
Unit
V
V
tsta≤5sec (VSS)
tstp≤10sec (VSS)
Including the parasitic capacity inside the IC
VSS=-1.2 to -2.0V (-0.9) *1
20
pF
5
10
ppm
ppm
ppm
V
-10
40
∂f/∂CG CG=5 to 25pF
Harmonic oscillation start voltage Vhho
Allowable leak resistance
CG=5pF (VSS)
-2.0
Rleak
Between OSC1 and VDD,
and between VSS and OSC1
200
MΩ
1: Items enclosed in parentheses ( ) are those used when operating at heavy load protection mode.
E0C6005 (CR)
(Unless otherwise specified: VDD=0V, VSS=-3.0V, RCR=420kΩ, 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
f
OSC
Vsta
sta
t
V
SS=-1.8 to -3.5V
3
Oscillation stop voltage
Vstp
-1.8
E0C60L05 (CR)
(Unless otherwise specified: VDD=0V, VSS=-1.5V, RCR=420kΩ, 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
sta
Vstp
t
V
SS=-1.2 to -2.0V
3
Oscillation stop voltage
-1.2
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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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