m62023p Renesas Electronics Corporation., m62023p Datasheet - Page 7

• Manufacturer Part Number: m62023p
• Description: System Reset Ic With Switch For 3v Memory Back-up
• Manufacturer: Renesas Electronics Corporation.

M62023L/P/FP
Timing Chart
Output
REJ03D0528-0200 Rev.2.00 Jun 15, 2007
Page 7 of 12
RES
RES
V
pin
CS
OUT
V
Input voltage: 3V
With SW Tr. set to ON, a
voltage (V
The output level is
V
The output level is V
with a logic high.
The output level is V
with a logic low.
RES
RES
OUT
OL (RES)
V
CS
IN
In normal operation
with a logic low.
IN
0V
-V
DROP
) is output.
3V
OH(RES)
OL(CS)
Input voltage: 3V→2V
Each output varies if the input
voltage drops to V
SW Tr. is turned OFF. A voltage
(V
between E and B of SW Tr.
As the state shifts from a logic low
to logic high, the output level
becomes approximately equal to
the input voltage.
As the state shifts from a logic
high to logic low, the output level
becomes V
As the state shifts from a logic low
to logic high, the output level
becomes the voltage V
t
pd
IN
-V
(instantaneous drop)
EB
) is output by the diode
OL(RES)
In failure
SL
or under
IN
Input voltage
-V
EB
.
t
pd
Input voltage: 2V→3V
If the input voltage goes higher
than V
varies after delay produced by
the delay circuit.
SW Tr. is turned ON after delay
and a voltage (V
output.
A logic high is maintained, and
then shifts to a logic low.
A logic low is maintained, and
then shifts to a logic high.
A logic high is maintained, and
then shifts to a logic low.
Restoration from failure
(instantaneous drop)
SL
by 100mV, each output
V
1
IN
-V
DROP
V
2
) is
∆V
V
V
V
1
2
3
s
=V
=V
=V
V
V
V
V
V
V
3V
V
V
V
V
V
IN
IN
BAT
SH
SL
3
2
3
OL(CS)
IN(VSL)
OL(RES)
OH(RES)
IN(VSL)
OL(RES)
-V
-V
-V
Input voltage: 0V
Backup voltage: 3V
V
The output is a logic
high and the output
level is V
DROP
EB(SW Tr.)
BAT
In backup state
F
-V
F
BAT
-V
F