Datasheet

 1999 Microchip Technology Inc. DS40139E-page 71
PIC12C5XX
TABLE 11-3: CALIBRATED INTERNAL RC FREQUENCIES - PIC12C508/C509
FIGURE 11-3: I/O TIMING - PIC12C508/C509
AC Characteristics Standard Operating Conditions (unless otherwise specified)
Operating Temperature 0°C ≤ T
A ≤ +70°C (commercial),
–40°C ≤ T
A ≤ +85°C (industrial),
–40°C ≤ T
A ≤ +125°C (extended)
Operating Voltage V
DD range is described in Section 10.1
Parameter
No.
Sym Characteristic Min*
Typ
(1)
Max* Units Conditions
Internal Calibrated RC Frequency 3.58 4.00 4.32 MHz VDD = 5.0V
Internal Calibrated RC Frequency
3.50 —4.26MHzV
DD = 2.5V
* These parameters are characterized but not tested.
Note 1: Data in the Typical (“Typ”) column is at 5V, 25°C unless otherwise stated. These parameters are for design
guidance only and are not tested.
OSC1
I/O Pin
(input)
I/O Pin
(output)
Q4
Q1
Q2 Q3
17
20, 21
18
Old Value
New Value
Note: All tests must be done with specified capacitive loads (see data sheet) 50 pF on I/O pins and CLKOUT.
19