PIC16F639 Microchip Technology Inc., PIC16F639 Datasheet - Page 179

• Manufacturer Part Number: PIC16F639
• Description: 8/14-pin Flash-based, 8-bit Cmos Microcontrollers With Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

15.8
© 2007 Microchip Technology Inc.
Standard Operating Conditions (unless otherwise stated)
Operating temperature
TH01
TH02
TH03 T
TH04 PD
TH05 P
TH06 P
TH07 P
Note 1:
Para
No.
m
2:
3:
JA
JC
Thermal Considerations
J
INTERNAL
I
DER
/
O
Sym
I
T
Maximum allowable power dissipation is the lower value of either the absolute maximum total power
dissipation or derated power (P
DD
A
= Ambient Temperature.
is current to run the chip alone without driving any load on the output pins.
Thermal Resistance
Junction to Ambient
Thermal Resistance
Junction to Case
Junction Temperature
Power Dissipation
Internal Power Dissipation
I/O Power Dissipation
Derated Power
-40°C
Characteristic
T
A
+125°C
DER
).
PIC12F635
PIC16F636
PIC16F639 108.1
PIC12F635
PIC16F636
PIC16F639 32.2
PIC12F635/PIC16F636/639
163.0
100.4
84.6
52.4
52.4
69.8
85.0
46.3
41.2
38.8
32.5
31.0
31.7
Typ
150
3.0
3.0
2.6
—
—
—
—
Units
°C/W 8-pin PDIP package
°C/W 8-pin SOIC package
°C/W 8-pin DFN 4x4x0.9 mm package
°C/W 8-pin DFN-S 6x5 mm package
°C/W 14-pin PDIP package
°C/W 14-pin SOIC package
°C/W 14-pin TSSOP package
°C/W 16-pin QFN 4x0.9mm package
°C/W 20-pin SSOP package
°C/W 8-pin PDIP package
°C/W 8-pin SOIC package
°C/W 8-pin DFN 4x4x0.9 mm package
°C/W 8-pin DFN-S 6x5 mm package
°C/W 14-pin PDIP package
°C/W 14-pin SOIC package
°C/W 14-pin TSSOP package
°C/W 16-pin QFN 4x0.9mm package
°C/W 20-pin SSOP package
°C
W
W
W
W
For derated power calculations
PD = P
P
(NOTE 1)
P
P
(NOTE 2, 3)
INTERNAL
I
DER
/
O
=
= (T
INTERNAL
(I
OL
J
= I
- T
* V
DD
A
Conditions
)/
OL
+ P
x V
JA
) +
DD
I
/
O
DS41232D-page 177
(I
OH
* (V
DD
- V
OH
))