Datasheet

PIC16C505
DS40192D-page 68 1999-2012 Microchip Technology Inc.
FIGURE 10-8: TIMER0 CLOCK TIMINGS - PIC16C505
TABLE 10-7: TIMER0 CLOCK REQUIREMENTS - PIC16C505
AC Characteristics Standard Operating Conditions (unless otherwise specified)
Operating Temperature 0C T
A +70C (commercial)
–40C T
A +85C (industrial)
–40C T
A +125C (extended)
Operating Voltage V
DD range is described in Section 10.1.
Parm
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