PIC18F4321 Datasheet, PDF (332/396 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F4321 FAMILY
26.1 DC Characteristics: Supply Voltage
PIC18F2221/2321/4221/4321 (Industrial)
PIC18LF2221/2321/4221/4321 (Industrial)
PIC18LF2221/2321/4221/4321
(Industrial)
PIC18F2221/2321/4221/4321
(Industrial, Extended)
Param
No.
Symbol
Characteristic
Standard Operating Conditions (unless otherwise stated)
Operating temperature
-40°C ≤ TA ≤ +85°C for industrial
Standard Operating Conditions (unless otherwise stated)
Operating temperature
-40°C ≤ TA ≤ +85°C for industrial
-40°C ≤ TA ≤ +125°C for extended
Min Typ Max Units
Conditions
D001 VDD
Supply Voltage
PIC18LF2X21/4X21 2.0 — 5.5 V HS, XT, RC and LP Oscillator mode
PIC18F2X21/4X21 4.2 — 5.5 V
D002 VDR
RAM Data Retention
Voltage⁽¹⁾
1.5 — — V
D003
VPOR
VDD Start Voltage
to ensure internal
Power-on Reset signal
— — 0.7
V 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
VBOR Brown-out Reset Voltage
D005
PIC18LF2X21/4X21
BORV1:BORV0 = 11
2.00 2.05 2.16 V
BORV1:BORV0 = 10
2.65 2.79 2.93 V
D005
All devices
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.
DS39689E-page 330
Preliminary
© 2007 Microchip Technology Inc.