PIC12F639 Microchip Technology, PIC12F639 Datasheet - Page 166

• Manufacturer Part Number: PIC12F639
• Description: (PIC12F635 / PIC12F636 / PIC12F639) 8/14-PIN FLASH-BASED / 8-BIT CMOS MICROCONTROLLERS WITH NANOWATT TECHNOLOGY
• Manufacturer: Microchip Technology

PIC12F635/PIC16F636/639
TABLE 15-3:
FIGURE 15-6:
DS41232B-page 164
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Note 1:
Param
No.
Watchdog
Time-out
Time-out
I/O pins
Internal
Internal
PWRT
MCLR
Reset
Reset
Timer
*
† Data in ‘Typ’ column is at 5.0V, 25 C unless otherwise stated.
POR
OSC
T
T
T
T
T
T
T
T
T
T
T
T
T
T
V
OS
OS
CK
CK
CK
CK
OS
OS
IO
IO
IO
IO
INP
RBP
DD
These parameters are characterized but not tested.
Measurements are taken in RC mode where CLKOUT output is 4 x T
V2
V2
R
F
R
F
L2
H2
H2
H2
H2
H2
Sym
CK
OS
IO
CK
CK
IO
IO
IO
V
H
I
V
I
H
CLKOUT AND I/O TIMING REQUIREMENTS
L
H
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
OSC1 to CLKOUT
OSC1 to CLKOUT
CLKOUT Rise Time
CLKOUT Fall Time
CLKOUT to Port Out Valid
Port In Valid before CLKOUT
Port In Hold after CLKOUT
OSC1 (Q1 cycle) to Port Out Valid
OSC1 (Q2 cycle) to Port Input
Invalid (I/O in hold time)
Port Input Valid to OSC1
(I/O in setup time)
Port Output Rise Time
Port Output Fall Time
INT pin High or Low Time
PORTA Change INT High or Low
Time
33
Characteristic
32
Preliminary
T
OSC
34
Min
100
T
+ 200 ns
—
—
—
—
—
—
—
—
—
25
30
CY
0
0
Typ†
75
75
35
35
—
—
—
50
—
—
—
10
10
—
—
OSC
.
31
© 2005 Microchip Technology Inc.
150*
Max
200
200
100
100
300
20
40
40
—
—
—
—
—
—
Units Conditions
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
34
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)