PIC16C621A Microchip Technology Inc., PIC16C621A Datasheet - Page 109

• Manufacturer Part Number: PIC16C621A
• Description: Eprom-based 8-bit Cmos Microcontrollers
• Manufacturer: Microchip Technology Inc.

FIGURE 12-14:
FIGURE 12-15:
TABLE 12-5:
 2003 Microchip Technology Inc.
Parameter
*
†
Watchdog
No.
30
31
32
33
34
35
I/O Pins
Timeout
Timeout
Internal
Internal
RESET
RESET
MCLR
PWRT
Timer
POR
OSC
V
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.
V
DD
DD
Twdt
Tost
Tpwrt
T
T
TmcL
IOZ
BOR
Sym
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER REQUIREMENTS
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
BROWN-OUT RESET TIMING
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
Brown-out Reset Pulse Width
33
Characteristic
32
34
2000
100*
Min
28*
7*
—
BV
DD
1024 T
Typ†
18
72
—
—
—
30
OSC
Max
132*
33*
2.0
35
—
—
—
Units
ms
ms
ns
—
µs
µs
31
PIC16C62X
-40° to +85°C
V
T
V
3.7V ≤ V
OSC
DD
DD
34
= 5.0V, -40° to +85°C
= 5.0V, -40° to +85°C
= OSC1 period
DD
Conditions
DS30235J-page 107
≤ 4.3V