CHAPTER 28 ELECTRICAL SPECIFICATIONS
User’s Manual U16896EJ2V0UD
673
Power-on-Clear Circuit Characteristics
(T
A
=
−
40 to +85
°
C, V
DD
= EV
DD
= AV
REF0
, 2.7 V
≤
V
DD
, V
SS
= EV
SS
= AV
SS
= 0 V, C
L
= 50 pF)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Detection voltage
V
POC
2.5 2.6 2.7 V
Power supply rise time
t
PTH
<122>
V
DD
= 0
→
2.5 V
3
μ
s
Response time 1
Note 1
t
PTHD
<123>
After voltage reaches detection
voltage (MAX.) on power application
3.0
ms
Response time 2
Note 2
t
PD
<124> When power supply drops
1.0
ms
Minimum pulse width
t
PW
<125>
0.2
ms
Notes 1.
Time from when the detection voltage (V
POC
) is detected until the reset signal (POCRES) is released
2.
Time from when the detection voltage (V
POC
) is detected until the reset signal (POCRES) is generated
Power-on-Clear Circuit Timing
Supply voltage
(V
DD
)
Time
Detection voltage (MIN.)
Detection voltage (TYP.)
Detection voltage (MAX.)
<125>
<124>
<122>
<123>
<R>
