Z51F3220FNX Datasheet, PDF (33/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
7.5 Low Voltage Reset and Low Voltage Indicator Characteristics
Table 7-5 LVR and LVI Characteristics
(TA= -40°C ~ +85°C, VDD= 1.8V ~ 5.5V, VSS= 0V)
Parameter
Symbol
Conditions
MIN
TYP
MAX Unit
–
1.60
1.75
1.85
2.00
2.15
1.95
2.10
2.25
2.05
2.20
2.35
2.17
2.32
2.47
Detection Level
2.29
2.44
2.59
VLVR
The LVR can select all levels but
LVI can select other levels except
2.39
2.59
2.79
V
VLVI
1.60V.
2.55
2.75
2.95
2.73
2.93
3.13
2.94
3.14
3.34
3.18
3.38
3.58
3.37
3.67
3.97
3.70
4.00
4.30
4.10
4.40
4.70
Hysteresis
△V
–
–
10
100 mV
Minimum Pulse Width
tLW
–
100
–
–
μS
LVR and LVI Current
Enable (Both)
–
IBL
Enable (One of two) VDD= 3V
–
10.0
15.0
8.0
12.0
μA
Disable (Both)
–
–
0.1
PS029902-0212
PRELIMINARY
30