Specifications

2004 Microchip Technology Inc. Preliminary DS40044B-page 145
PIC16F627A/628A/648A
TABLE 17-9: CAPTURE/COMPARE/PWM REQUIREMENTS
FIGURE 17-10: TIMER0 CLOCK TIMING
TABLE 17-10: TIMER0 CLOCK REQUIREMENTS
Param
No.
Sym Characteristic Min Typ† Max Units Conditions
50 TccL CCP
input low time
No Prescaler 0.5T
CY + 20* ns
With Prescaler
PIC16F62X 10* ns
PIC16LF62X 20* ns
51 TccH CCP
input high time
No Prescaler 0.5T
CY + 20* ns
With Prescaler
PIC16F62X 10* ns
PIC16LF62X 20* ns
52 TccP CCP input period 3T
CY + 40*
N
ns N = prescale
value (1,4 or 16)
53 TccR CCP output rise time PIC16F62X 10 25* ns
PIC16LF62X 25 45* ns
54 TccF CCP output fall time PIC16F62X 10 25* ns
PIC16LF62X 25 45* ns
* These parameters are characterized but not tested.
Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only
and are not tested.
Parameter
No.
Sym Characteristic Min Typ† 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 T
CY + 40*
N
ns N = prescale value
(1, 2, 4, ..., 256)
* These parameters are characterized but not tested.
Data in “Typ” column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
41
42
40
RA4/T0CKI
TMR0