PIC17C7XX Datasheet, PDF (265/328 Pages) Microchip Technology – High-Performance 8-Bit CMOS EPROM Microcontrollers with 10-bit A/D

PIC17C7XX
21.0 PIC17C7XX DC AND AC CHARACTERISTICS
The graphs and tables provided in this section are for design guidance and are not tested nor guaranteed. In some
graphs or tables the data presented is outside specified operating range (e.g. outside specified VDD range). This is for
information only and devices are ensured to operate properly only within the specified range.
The data presented in this section is a statistical summary of data collected on units from different lots over a period of
time. "Typical" represents the mean of the distribution while "max" or "min" represents (mean + 3σ) and (mean - 3σ)
respectively where σ is standard deviation.
TABLE 21-1: PIN CAPACITANCE PER PACKAGE TYPE
Pin Name
Typical Capacitance (pF)
68-pin PLCC
64-pin TQFP
All pins, except MCLR, VDD, and VSS
MCLR pin
10
10
20
20
FIGURE 21-1: TYPICAL RC OSCILLATOR FREQUENCY vs. TEMPERATURE
FOSC
FOSC (25°C)
Frequency normalized to +25°C
1.10
Rext ≥ 10 kΩ
1.08
Cext = 100 pF
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
VDD = 5.5V
VDD = 3.5V
0.90
0
10
20 25 30
40
50
60
70
T(°C)
© 1998 Microchip Technology Inc.
Preliminary
DS30289A-page 265