Datasheet

 2011 Microchip Technology Inc. DS39960D-page 487
PIC18F87K22 FAMILY
31.1 DC Characteristics: Supply Voltage
PIC18F87K22 Family (Industrial/Extended)
PIC18F87K22 Family
(Industrial/Extended)
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C  TA  +85°C for industrial
-40°C
 TA  +125°C for extended
Param
No.
Symbol Characteristic Min Typ Max Units Conditions
D001 VDD Supply Voltage 1.8
1.8
—
—
3.6
5.5
V
V
ENVREG tied to VSS
ENVREG tied to VDD
D001C AVDD Analog Supply Voltage VDD – 0.3 — VDD + 0.3 V
D001D AV
SS Analog Ground Potential VSS – 0.3 — VSS + 0.3 V
D002 V
DR RAM Data Retention
Voltage
(1)
1.5 — — V
D003 V
POR VDD Start Voltage
to Ensure Internal
Power-on Reset Signal
——0.7VSee
Section 5.3 “Power-on
Reset (POR)”
for details
D004 S
VDD VDD Rise Rate
to Ensure Internal
Power-on Reset Signal
0.05 — — V/ms See
Section 5.3 “Power-on
Reset (POR)”
for details
D005 B
VDD Brown-out Reset
Voltage (High/Medium/
Low-Power mode)
(2)
BORV<1:0> = 11
(3)
BORV<1:0> = 10
BORV<1:0> =
01
BORV<1:0> =
00
1.69
1.88
2.53
2.82
1.8
2.0
2.7
3.0
1.91
2.12
2.86
3.18
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 following values are taken in HP-BOR mode.
3: The device will operate normally until Brown-out Reset occurs, even though VDD may be below VDDMIN.