Specifications

 2004 Microchip Technology Inc. Preliminary DS40044B-page 141
PIC16F627A/628A/648A
TABLE 17-5: PRECISION INTERNAL OSCILLATOR PARAMETERS
FIGURE 17-5: CLKOUT AND I/O TIMING
Parameter
No.
Sym Characteristic Min Typ Max Units Conditions
F10 F
IOSC Oscillator Center frequency
—4—MHz
F13
∆IOSC Oscillator Stability (jitter)
——±1%V
DD = 3.5 V, 25°C
——±2 % 2.0 V ≤ VDD ≤ 5.5V
0°C ≤ T
A ≤ +85°C
——±5 % 2.0 V ≤ VDD ≤ 5.5V
-40°C ≤ T
A ≤ +85°C (IND)
-40°C ≤ T
A ≤ +125°C (EXT)
F14
TIOSCST
Oscillator Wake-up from Sleep
start-up time
—6TBDµsV
DD = 2.0V, -40°C to +85°C
—4TBDµsVDD = 3.0V, -40°C to +85°C
—3TBDµsV
DD = 5.0V, -40°C to +85°C
OSC1
CLKOUT
I/O PIN
(INPUT)
I/O PIN
(OUTPUT)
Q4
Q1
Q2 Q3
10
13
14
17
20, 21
22
23
19
18
15
11
12
16
OLD VALUE
NEW VALUE