Datasheet

Section 28 Electrical Characteristics
REJ09B0465-0300 Rev. 3.00 Page 939 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
Table 28.13 Electrical Characteristics for Low-Voltage Detection Circuit 2
V
CC
= 2.7 to 5.5 V, V
SS
= 0.0 V, VCC ≥ AVCC, Ta = −20 to +85 °C (N version)/
−40 to +85 °C (D version), unless otherwise indicated.
Values
Item Symbol Test Conditions Min. Typ. Max. Unit
Voltage-detection level V
det2
Falling voltage
Rising voltage
3.70
3.90
4.00
4.20
4.30
4.50
V
Low-voltage detection circuit 2 self
supply current
Vcc = 5.0V ⎯ 2.0 ⎯ μA
Waiting time until low-voltage
detection circuit 2 operation starts
t
d(E-A)
⎯ ⎯ 50.0 μs
Detection minimum pulse width of
low-voltage detection circuit 2
t
WLVD2
20.0 ⎯ ⎯ μs
Operating voltage minimum value for
low-voltage detection circuit 2
V
LVD2min
2.7 ⎯ ⎯ V
Voltage-detection level for external
input pins
1.20 1.33 1.45 V
Input range for detection voltage of
external inputs
0 ⎯ 1/2Vcc V
Input range for comparison voltage
of external inputs
0 ⎯ 1/2Vcc V