CHAPTER 21 ELECTRICAL SPECIFICATIONS (Standard product, (A) grade product)
User’s Manual U17446EJ3V1UD
347
Standard product, (A) grade product T
A
=
−
40 to +85
°
C
POC Circuit Characteristics (T
A
=
−
40 to +85
°
C)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Detection voltage
V
POC
2.0 2.1 2.2 V
Power supply boot time
t
PTH
V
DD
: 0 V
→
2.1 V
1.5
μ
s
Response delay time 1
Note 1
t
PTHD
When power supply rises, after reaching
detection voltage (MAX.)
3.0
ms
Response delay time 2
Note 2
t
PD
When power supply falls
1.0
ms
Minimum pulse width
t
PW
0.2
ms
Notes 1.
Time required from voltage detection to internal reset release.
2.
Time required from voltage detection to internal reset signal generation.
POC Circuit Timing
Supply voltage
(V
DD
)
Detection voltage (MIN.)
Detection voltage (TYP.)
Detection voltage (MAX.)
t
PTH
t
PTHD
t
PW
t
PD
Time
Содержание 78K0S/KB1+
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