Datasheet

© 2007 Microchip Technology Inc. Preliminary DS39631B-page 325
PIC18F2420/2520/4420/4520
26.1 DC Characteristics:Supply Voltage
PIC18F2420/2520/4420/4520 (Industrial)
PIC18LF2X1X/4X1X (Industrial)
PIC18LF2X1X/4X1X
(Industrial)
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +85°C for industrial
PIC18FX42X/X52X
(Industrial)
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +85°C for industrial
Param
No.
Symbol Characteristic Min Typ Max Units Conditions
D001 V
DD Supply Voltage
2.0 — 5.5 V
HS, XT, RC and LP Oscillator modes
D002 V
DR RAM Data Retention
Voltage
(1)
1.5 — — V
D003 VPOR VDD Start Voltage
to ensure internal
Power-on Reset signal
——0.7V
See section on Power-on Reset for details
D004 SVDD VDD Rise Rate
to ensure internal
Power-on Reset signal
0.05 — — V/ms
See section on Power-on Reset for details
D005 VBOR Brown-out Reset Voltage
BORV1:BORV0 = 11
1.94 2.05 2.16 V
BORV1:BORV0 = 10
2.65 2.79 2.93 V
BORV1:BORV0 = 01
4.11 4.33 4.55 V
BORV1:BORV0 = 00
4.36 4.59 4.82 V
Legend: Shading of rows is to assist in readability of the table.
Note 1: This is the limit to which VDD can be lowered in Sleep mode, or during a device Reset, without losing RAM
data.