Datasheet

PIC12C5XX
DS40139E-page 74 1999 Microchip Technology Inc.
FIGURE 11-5: TIMER0 CLOCK TIMINGS - PIC12C508/C509
TABLE 11-7: TIMER0 CLOCK REQUIREMENTS - 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 11.1.
Parameter
No.
Sym Characteristic Min Typ
(1)
Max Units Conditions
40 Tt0H T0CKI High Pulse Width - No Prescaler 0.5 TCY + 20* ——ns
- With Prescaler 10* ns
41 Tt0L T0CKI Low Pulse Width - No Prescaler 0.5 T
CY + 20* ns
- With Prescaler 10* ns
42 Tt0P T0CKI Period 20 or T
CY + 40*
N
ns Whichever is greater.
N = Prescale Value
(1, 2, 4,..., 256)
* 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.
T0CKI
40 41
42