PIC16F631-I/P Microchip Technology Inc., PIC16F631-I/P Datasheet - Page 245

• Manufacturer Part Number: PIC16F631-I/P
• Description: MCU, 8-Bit, 1KW Flash, 64 RAM, 18 I/O, PDIP-20
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F631-I/P

• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 128 Bytes
• Input Output: 18
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 20-pin PDIP
• Programmable Memory: 1.75K Bytes
• Ram Size: 64 Bytes
• Speed: 20 MHz
• Timers: 1-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

FIGURE 17-8:
TABLE 17-5:
© 2007 Microchip Technology Inc.
Standard Operating Conditions (unless otherwise stated)
Operating Temperature
40*
41*
42*
45*
46*
47*
48
49*
Param
No.
*
†
T
T
T
T
T
T
F
TCKEZ
T
T
T
T
T
T
T
T0CKI
T1CKI
TMR0 or
TMR1
0H
0L
0P
1H
1L
1P
1
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.
Sym
TMR
TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS
1 Delay from External Clock Edge to Timer
T0CKI High Pulse Width
T0CKI Low Pulse Width
T0CKI Period
T1CKI High
Time
T1CKI Low
Time
T1CKI Input
Period
Timer1 Oscillator Input Frequency Range
(oscillator enabled by setting bit T1OSCEN)
Increment
TIMER0 AND TIMER1 EXTERNAL CLOCK TIMINGS
-40°C ≤ T
Synchronous, No Prescaler
Synchronous,
with Prescaler
Asynchronous
Synchronous, No Prescaler
Synchronous,
with Prescaler
Asynchronous
Synchronous
Asynchronous
Characteristic
A
PIC16F631/677/685/687/689/690
≤ +125°C
40
45
No Prescaler
With Prescaler
No Prescaler
With Prescaler
42
47
20 or T
30 or T
0.5 T
0.5 T
0.5 T
0.5 T
Greater of:
Greater of:
41
46
2 T
Min
CY
10
CY
10
CY
15
30
CY
15
30
60
—
OSC
CY
CY
+ 20
+ 20
+ 20
+ 20
N
N
+ 40
+ 40
32.768
Typ†
—
—
—
—
—
—
—
—
—
—
—
—
—
—
7 T
49
Max
—
—
—
—
—
—
—
—
—
—
—
—
—
—
OSC
Units
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
—
DS41262D-page 243
N = prescale value
(2, 4, ..., 256)
N = prescale value
(1, 2, 4, 8)
Timers in Sync
mode
Conditions