PIC16F627A Datasheet, PDF (143/168 Pages) Microchip Technology – FLASH-Based 8-Bit CMOS Microcontrollers

PIC16F627A/628A/648A
TABLE 17-5: PRECISION INTERNAL OSCILLATOR PARAMETERS
Parameter
No.
Sym
Characteristic
Min Typ Max Units
Conditions
F10
FIOSC Oscillator Center frequency
—
4
— MHz
F13
∆IOSC Oscillator Stability (jitter)
—
—
±1
% VDD = 3.5 V, 25°C
—
—
±2
% 2.0 V ≤ VDD ≤ 5.5V
0°C ≤ TA ≤ +85°C
—
—
±5
% 2.0 V ≤ VDD ≤ 5.5V
-40°C ≤ TA ≤ +85°C (IND)
-40°C ≤ TA ≤ +125°C (EXT)
F14
TIOSCST Oscillator Wake-up from
SLEEP start-up time
—
6
TBD µs VDD = 2.0V, -40°C to +85°C
—
4
TBD µs VDD = 3.0V, -40°C to +85°C
—
3
TBD µs VDD = 5.0V, -40°C to +85°C
FIGURE 17-5:
CLKOUT AND I/O TIMING
Q4
OSC1
CLKOUT
Q1
Q2
10
13
14
22
23
19
18
I/O PIN
(INPUT)
17
15
I/O PIN
(OUTPUT)
OLD VALUE
20, 21
Q3
11
12
16
NEW VALUE
TABLE 17-6: CLKOUT AND I/O TIMING REQUIREMENTS
Parameter
No.
Sym Characteristic
Min
Typ† Max Units
10
TosH2ckL OSC1↑ to CLKOUT↓
PIC16F62X
—
75 200* ns
10A
PIC16LF62X
—
— 400* ns
11
TosH2ckH OSC1↑ to CLKOUT↑
PIC16F62X
—
75 200* ns
11A
PIC16LF62X
—
— 400* ns
12
TckR
CLKOUT rise time
PIC16F62X
—
35 100* ns
12A
PIC16LF62X
—
— 200* ns
13
TckF
CLKOUT fall time
PIC16F62X
—
35 100* ns
13A
PIC16LF62X
—
— 200* ns
14
TckL2ioV CLKOUT ↓ to Port out valid
—
— 20* ns
15
TioV2ckH Port in valid before
PIC16F62X Tosc+200 ns* — — ns
18
TosH2ioI OSC1↑ (Q2 cycle) to Port input invalid
(I/O in hold time)
100*
200*
— — ns
* 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.
 2002 Microchip Technology Inc.
Preliminary
DS40044A-page 141