ML9040-Axx/-Bxx
AC Characteristics
¡ Semiconductor
(V
DD
= 4.5 to 5.5V, Ta = –20 to +75°C)
Parameter
R
f
Clock Oscillation
Frequency
Clock Input
Frequency
Input Clock Duty
Input Clock Rise
Time
Input Clock Fall
Time
Ceramic Unit
Oscillation
Frequency
f
OSC
Symbol
f
OSC1
f
IN
f
DUTY
t
r
t
f
R
f
= 510kW,
C
1
= C
2
= 200 pF,
R
d
= 30kW, and
Ceralock CSB250A.
*5
245
250
255
kHz
OSC
1
OSC
2
Condition
R
f
= 91kW
±
2%
*2
OSC
2
is open.
Input from OSC
1
*3
*4
*4
Min.
175
125
45
—
—
Typ.
250
250
50
—
—
Max.
350
350
55
0.2
0.2
Unit
kHz
kHz
%
ms
ms
Applicable pin
OSC
1
OSC
2
OSC
1
OSC
1
OSC
1
OSC
1
*1 Applicable to the current that flows in pin V
DD
when power is input as follows:
V
DD
= 5V, GND = 0V, V
1
= 3.4V, V
2
= 1.8V, V
3
= 0.2V, V
4
= -1.4V, and V
5
= -3V.
*2
OSC
1
R
f
OSC
2
R
f
=91k
W
±
2%
Minimum wiring is required between
OSC
1
and R
f
and between OSC
2
and R
f
.
8
OKI [ OKI ELECTRONIC COMPONETS ]
