PIC16F84A datasheet(60/68 Pages) MICROCHIP

60 / 68 page

PIC16F84A

DS35007A-page 60

Preliminary

Port Output

Rise/Fall time

(TioR, TioF). See

parameters #20,

20A, 21, and 21A in

the electrical spec’s

for more detail.

TioR, TioF (max) =

25ns (C84)

TioR, TioF (max) =

60ns (LC84)

TioR, TioF (max) =

35ns (C84)

TioR, TioF (max) =

70ns (LC84)

TioR, TioF (max) =

35ns (C84)

TioR, TioF (max) =

70ns (LC84)

TioR, TioF (max) =

35ns (C84)

TioR, TioF (max) =

70ns (LC84)

MCLR on-chip ﬁl-

ter. See parameter

#30 in the electrical

spec’s for more

detail.

Yes

PORTA and crystal

oscillator values

less than 500kHz

For crystal oscilla-

tor conﬁgurations

operating below

500kHz, the device

may generate a spu-

rious internal

Q-clock when

PORTA<0> switches

state.

N/A

RB0/INT pin

TTL

TTL/ST*

(* Schmitt Trigger)

TTL/ST*

(* Schmitt Trigger)

TTL/ST*

(* Schmitt Trigger)

EEADR<7:6> and

IDD

It is recommended

that the

EEADR<7:6> bits

be cleared. When

either of these bits is

set, the maximum

IDD for the device is

higher than when

both are cleared.

N/A

The polarity of the

PWRTE bit

PWRTE

Recommended

value of REXT for RC

oscillator circuits

REXT = 3k

Ω - 100kΩ

REXT = 5k

Ω - 100kΩ

REXT = 5k

Ω - 100kΩ

REXT = 3k

Ω - 100kΩ

GIE bit uninten-

tional enable

If an interrupt occurs

while the Global

Interrupt Enable

(GIE) bit is being

cleared, the GIE bit

may unintentionally

be re-enabled by the

user’s Interrupt Ser-

vice Routine (the

RETFIE

instruction).

N/A

Packages

PDIP, SOIC

PDIP, SOIC, SSOP

TABLE B-1:

CONVERSION CONSIDERATIONS - PIC16C84, PIC16F83/F84, PIC16CR83/CR84,

PIC16F84A

Difference

PIC16C84

PIC16F83/F84

PIC16CR83/

CR84

PIC16F84A

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