Datasheet

© 2009 Microchip Technology Inc. DS39632E-page 369
PIC18F2455/2550/4455/4550
28.1 DC Characteristics: Supply Voltage
PIC18F2455/2550/4455/4550 (Industrial)
PIC18LF2455/2550/4455/4550 (Industrial)
PIC18LF2455/2550/4455/4550
(Industrial)
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C T
A +85°C for industrial
PIC18F2455/2550/4455/4550
(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
(2)
5.5 V EC, HS, XT and Internal Oscillator modes
3.0
(2)
5.5 V HSPLL, XTPLL, ECPIO and ECPLL
Oscillator modes
D002 V
DR RAM Data Retention
Voltage
(1)
1.5 V
D003 V
POR VDD Start Voltage
to Ensure Internal Power-on
Reset Signal
0.7 V See Section 4.3 “Power-on Reset (POR)”
for details
D004 SVDD VDD Rise Rate
to Ensure Internal Power-on
Reset Signal
0.05 V/ms See Section 4.3 “Power-on Reset (POR)”
for details
D005 V
BOR Brown-out Reset Voltage
BORV1:BORV0 = 11 2.00 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.
2: The stated minimums apply for the PIC18LF products in this device family. PIC18F products in this device family
are rated for 4.2V minimum in all oscillator modes.