¡ Semiconductor
ML9041
Note 1: Applied to the voltage drop occurring between any of the V , V , V and V pins and
DD
1
4
5
any of the common pins (COM to COM ) when the current of 4mA flows in or flows
1
17
out at one common pin.
Also applied to the voltage drop occurring between any of the V , V , V (V ) and
DD
2
3A
3B
V pins and any of the segment pins (SEG to SEG ) when the current of 4mA flows
5
1
100
in or flows out at one common pin.
The current of 4mA flows out when the output level is V or flows in when the output
DD
level is V .
5
Note 2: Applied to the current flowing into the V pin when the external clock (f
= f =
in
DD
osc2
270 kHz) is fed to the internal R oscillation or OSC under the following conditions:
f
1
V
DD
= 5V
GND = V = 0V,
5
V , V , V (V ) and V : Open
1
2
3A
3B
4
E, SSR, CSR, and BEB: “L” (fixed)
Other input pins: “L” or “H” (fixed)
Other output pins: No load
Note 3:
Note 4:
OSC1
OSCR
OSC2
OSC1
Rf = 120kW 2ꢀ
OSCR
OSC2
The wire between OSC1 and Rf and the wire between
OSC2 and Rf should be as short as possible.
Keep OSCR open.
The wire between OSC2 and OSCR should be as short
as possible. Keep OSC1 open.
Note 5:
tHW
tLW
VDD
2
VDD
VDD
2
2
fIN
waveform
Applied to the pulses entering from the OSC1 pin
fduty = tHW/ (tHW + tLW) ¥ 100 (ꢀ)
10/54
OKI [ OKI ELECTRONIC COMPONETS ]
