PIC32MX440F256H-80I Datasheet, PDF (596/646 Pages) Microchip Technology – 64/100-Pin General Purpose and USB 32-Bit Flash Microcontrollers

PIC32MX3XX/4XX
30.1 DC Characteristics
TABLE 30-1: OPERATING MIPS VS. VOLTAGE
Characteristic
VDD Range
(in Volts)
Temp. Range
(in °C)
DC5
2.3-3.6V
-40°C to +85°C
Note 1: 40 MHz maximum for PIC32MX 40MHz family variants.
Max. Frequency
PIC32MX3XX/4XX
80 MHz⁽¹⁾
TABLE 30-2: THERMAL OPERATING CONDITIONS
Rating
PIC32MX3XX/4XX
Operating Junction Temperature Range
Operating Ambient Temperature Range
Power Dissipation:
Internal Chip Power Dissipation:
PINT = VDD x (IDD – S IOH)
I/O Pin Power Dissipation:
I/O = S ({VDD – VOH} x IOH) + S (VOL x IOL) )
Maximum Allowed Power Dissipation
Symbol Min. Typical Max. Unit
TJ
-40
—
+125
°C
TA
-40
—
+85
°C
PD
PINT + PI/O
W
PDMAX
(TJ – TA)/θJA
W
TABLE 30-3: THERMAL PACKAGING CHARACTERISTICS
Characteristics
Symbol Typical Max. Unit Notes
Package Thermal Resistance, 100-Pin TQFP (12x12x1 mm)
θJA
52.3
—
°C/W
1
Package Thermal Resistance, 64-Pin TQFP (10x10x1 mm)
θJA
38.3
—
°C/W
1
Note 1: Junction to ambient thermal resistance, Theta-JA (θJA) numbers are achieved by package simulations.
TABLE 30-4: DC TEMPERATURE AND VOLTAGE SPECIFICATIONS
DC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
Param.
No.
Symbol
Characteristics
Min. Typical⁽¹⁾ Max. Units
Conditions
Operating Voltage
DC10 Supply Voltage
VDD
DC12 VDR
2.3
RAM Data Retention Voltage⁽²⁾ —
—
3.6
V
1.75
—
V
DC16 VPOR
VDD Start Voltage
to Ensure Internal
Power-on Reset Signal
1.75
—
1.95 V
DC17 SVDD
VDD Rise Rate
to Ensure Internal
Power-on Reset Signal
0.05
—
— V/ms
Note 1: Data in “Typical” column is at 3.3V, 25°C unless otherwise stated. Parameters are for design guidance
only and are not tested.
2: This is the limit to which VDD can be lowered without losing RAM data.
DS61143E-page 594
Preliminary
© 2008 Microchip Technology Inc.