16F84A Microchip Technology, 16F84A Datasheet - Page 51

• Manufacturer Part Number: 16F84A
• Description: 18-pin Enhanced Flash/EEPROM 8-Bit Microcontroller
• Manufacturer: Microchip Technology

FIGURE 9-5:
TABLE 9-5
Parameter
1998 Microchip Technology Inc.
*
†
Watchdog
No.
Time-out
I/O Pins
Time-out
30
31
32
33
34
Internal
Internal
RESET
RESET
These parameters are characterized but not tested.
Data in "Typ" column is at 5V, 25
tested.
MCLR
PWRT
Timer
POR
OSC
V
DD
TmcL
Tpwrt
Sym
Twdt
T
Tost
IOZ
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER REQUIREMENTS
MCLR Pulse Width (low)
Watchdog Timer Time-out Period
(No Prescaler)
Oscillation Start-up Timer Period
Power-up Timer Period
I/O Hi-impedance from MCLR
Low or reset
33
Characteristic
C
32
unless otherwise stated. These parameters are for design guidance only and are not
Preliminary
34
Min
28 *
2 *
7 *
—
1024T
Typ†
18
72
—
—
30
OSC
132 *
100 *
Max
33 *
—
Units
ms
ms
ms
ns
31
s
PIC16F84A
V
V
T
V
OSC
DD
DD
DD
34
= 5.0V, extended
= 5.0V, extended
= 5.0V, extended
= OSC1 period
Conditions
DS35007A-page 51