Datasheet

Section 28 Electrical Characteristics
Page 938 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S
/
20235 Group
Table 28.12 Electrical Characteristics for Low-Voltage Detection Circuit 1
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
VD1LS[3:0] =
0111
Falling voltage
Rising voltage
2.70
3.00
3.07
3.30
3.45
3.70
VD1LS[3:0] =
1000
Falling voltage
Rising voltage
2.80
3.05
3.22
3.45
3.60
3.85
VD1LS[3:0] =
1001
Falling voltage
Rising voltage
2.95
3.20
3.37
3.60
3.75
4.00
VD1LS[3:0] =
1010
Falling voltage
Rising voltage
3.10
3.35
3.52
3.75
3.90
4.15
VD1LS[3:0] =
1011
Falling voltage
Rising voltage
3.25
3.50
3.67
3.90
4.05
4.30
VD1LS[3:0] =
1100
Falling voltage
Rising voltage
3.40
3.65
3.82
4.05
4.20
4.45
VD1LS[3:0] =
1101
Falling voltage
Rising voltage
3.55
3.80
3.97
4.20
4.35
4.60
VD1LS[3:0] =
1110
Falling voltage
Rising voltage
3.70
3.95
4.12
4.35
4.50
4.75
Voltage-detection level V
det1
VD1LS[3:0] =
1111
Falling voltage
Rising voltage
3.85
4.10
4.27
4.50
4.65
4.90
V
Voltage hysteresis between
detection for rising and falling
cases
V
LVD1HYS
⎯ 0.22 ⎯ V
Low-voltage detection circuit 1
self supply current
Vcc = 5.0V ⎯ 2.0 ⎯ μA
Waiting time until low-voltage
detection circuit 1 operation
starts
t
d(E-A)
⎯ ⎯ 50.0 μs
Detection minimum pulse width
of low-voltage detection circuit
1
t
WLVD1
20.0 ⎯ ⎯ μs
Operating voltage minimum
value for low-voltage detection
circuit 1
V
LVD1min
2.7 ⎯ ⎯ V