Datasheet

dsPIC33F
DS70165E-page 310 Preliminary © 2007 Microchip Technology Inc.
26.1 DC Characteristics
TABLE 26-1: OPERATING MIPS VS. VOLTAGE
Characteristic
V
DD Range
(in Volts)
Temp Range
(in °C)
Max MIPS
dsPIC33F
DC5 3.0-3.6V -40°C to +85°C 40
TABLE 26-2: THERMAL OPERATING CONDITIONS
Rating Symbol Min Typ Max Unit
dsPIC33F
Operating Junction Temperature Range T
J -40 — +125 °C
Operating Ambient Temperature Range T
A -40 — +85 °C
Power Dissipation:
Internal chip power dissipation:
PINT = VDD x (IDD – Σ IOH)
P
D PINT + PI/O W
I/O Pin Power Dissipation:
I/O = Σ ({V
DD – VOH} x IOH) + Σ (VOL x IOL)
Maximum Allowed Power Dissipation P
DMAX (TJ – TA)/θJA W
TABLE 26-3: THERMAL PACKAGING CHARACTERISTICS
Characteristic Symbol Typ Max Unit Notes
Package Thermal Resistance, 100-pin TQFP (14x14x1 mm)
θJA 48.4 — °C/W 1
Package Thermal Resistance, 100-pin TQFP (12x12x1 mm) θJA 52.3 — °C/W 1
Package Thermal Resistance, 80-pin TQFP (12x12x1 mm)
θJA 38.7 — °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 26-4: DC TEMPERATURE AND VOLTAGE SPECIFICATIONS
DC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
Param
No.
Symbol Characteristic Min Typ
(1)
Max Units Conditions
Operating Voltage
DC10 Supply Voltage
V
DD 3.0 — 3.6 V
DC12 V
DR RAM Data Retention Voltage
(2)
—2.8—V
DC16 V
POR VDD Start Voltage
to ensure internal
Power-on Reset signal
—VSS —V
DC17 SVDD VDD Rise Rate
to ensure internal
Power-on Reset signal
0.05 — — V/ms 0-3.3V in 0.1s
0-2.5V in 60 ms
Note 1: Data in “Typ” 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 V
DD can be lowered without losing RAM data.