E0C6S46
q
AC Characteristics
RESET Input
(Unless otherwise specified: V
DD
=0V, V
SS
=-3.0V, f
OSC1
=32.768kHz, Ta=25°C, V
IH
=0.5V
SS
, V
IL
=0.9V
SS
)
Characteristic
Symbol
Min.
Typ.
Max.
Unit
t
sr
2.0
ms
RESET input time
t
sr
RESET
V
IH
V
IL
Power-on Reset
Characteristic
Operating power voltage
RESET input time
(Unless otherwise specified: V
DD
=0V, V
SS
=-3.0V, f
OSC1
=32.768kHz, Ta=25°C)
Symbol
Min.
Typ.
Max.
Unit
Vsr
-2.2
V
2.0
ms
t
psr
V
DD
Vsr
|V
SS
|
*
1
*
2
t
psr
RESET
V
IL
Power on
*1
Because the potential of the RESET terminal not
reached V
DD
level or higher.
*2
Built-in pull-up resistor
V
IH
RESET
V
SS
q
Oscillation Characteristics
The oscillation characteristics change depending on the conditions (components used, board pattern, etc.). Use the follow-
ing characteristics as reference values.
OSC1 Crystal Oscillation Circuit
(Unless otherwise specified: V
DD
=0V, V
SS
=-3.0V, Crystal: C-002R(C
I
=35kΩ), C
GX
=25pF, C
DX
=built-in, Rfx=10MΩ, Ta=25°C, VSC="0")
Characteristic
Symbol
Condition
Min.
Typ.
Max. Unit
t
sta V
SS
=-2.2 to -5.5V
Oscillation start time
5
s
C
D
Package as assembled
Built-in drain capacitance
20
pF
Bare chip
19
pF
Frequency/voltage deviation
5
ppm
∂f/∂V
V
SS
=-2.2 to -5.5V
Frequency/IC deviation
-10
10
ppm
∂f/∂IC
Frequency adjustable range
35
45
ppm
∂f/∂C
G
C
G
=5 to 25pF
(V
SS
)
Harmonic oscillation start voltage
-5.5
V
C
G
=5pF
V
hho
Permitted leak resistance
200
MΩ
R
leak
Between OSC1 and V
DD,
V
S1
OSC3 CR Oscillation Circuit (1)
Characteristic
Oscillation frequency
Oscillation start time
Frequency/voltage deviation
Symbol
f
OSC3
R
CR2
=60kΩ
(Unless otherwise specified: V
DD
=0V, V
SS
=-3.0V, Ta=25°C, VSC="1")
Condition
Min.
Typ.
Max. Unit
Typ.
1,000
Typ. kHz
×70%
×130%
10
ms
-5
+5
%
∂f/∂V
t
sta
V
SS
=-2.2 to -5.5V
V
SS
=-2.2 to -5.5V
6
SEIKO [ SEIKO EPSON CORPORATION ]
