PIC18F2220/2320/4220/4320
FIGURE 26-4:
LOW-VOLTAGE DETECT CHARACTERISTICS
VDD
(LVDIF can be
cleared in software)
VLVD
(LVDIF set by hardware)
LVDIF
TABLE 26-4: LOW-VOLTAGE DETECT CHARACTERISTICS
PIC18LF2220/2320/4220/4320
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for industrial
(Industrial)
Standard Operating Conditions (unless otherwise stated)
PIC18F2220/2320/4220/4320
Operating temperature
-40°C ≤ TA ≤ +85°C for industrial
-40°C ≤ TA ≤ +125°C for extended
(Industrial, Extended)
Param
Symbol
No.
Characteristic
Min
Typ†
Max
Units
Conditions
D420
LVD Voltage on VDD Transition High to Low
PIC18LF2X20/4X20 LVDL<3:0> = 0000
LVDL<3:0> = 0001
Industrial
N/A
N/A
N/A
N/A
N/A
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Reserved
Reserved
N/A
LVDL<3:0> = 0010
2.15
2.26
2.45
2.55
2.77
2.87
3.07
3.36
3.57
3.67
3.87
4.07
4.28
4.60
2.37
2.58
2.68
2.91
3.01
3.22
3.53
3.75
3.85
4.07
4.28
4.49
4.82
LVDL<3:0> = 0011
2.33
LVDL<3:0> = 0100
2.43
LVDL<3:0> = 0101
2.63
LVDL<3:0> = 0110
2.73
LVDL<3:0> = 0111
2.91
LVDL<3:0> = 1000
3.20
LVDL<3:0> = 1001
3.39
LVDL<3:0> = 1010
3.49
LVDL<3:0> = 1011
3.68
LVDL<3:0> = 1100
3.87
LVDL<3:0> = 1101
4.06
LVDL<3:0> = 1110
4.37
D420
LVD Voltage on VDD Transition High to Low
PIC18F2X20/4X20 LVDL<3:0> = 1011
LVDL<3:0> = 1100
Industrial
3.68
3.87
4.07
4.28
4.60
4.07
4.28
4.49
4.82
V
V
V
V
3.87
LVDL<3:0> = 1101
4.06
LVDL<3:0> = 1110
4.37
D420E
Legend:
LVD Voltage on VDD Transition High to Low
PIC18F2X20/4X20 LVDL<3:0> = 1011
LVDL<3:0> = 1100
Extended
3.48
3.87
4.07
4.28
4.60
4.25
4.48
4.70
5.05
V
V
V
V
3.66
LVDL<3:0> = 1101
3.85
LVDL<3:0> = 1110
4.14
Shading of rows is to assist in readability of the table.
†
Production tested at TAMB = 25°C. Specifications over temperature limits ensured by characterization.
DS39599C-page 322
2003 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
