PIC16C54C-40E/SS 查看數據表（PDF） - Microchip Technology

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PIC16C54C-40E/SS

EPROM/ROM-Based 8-bit CMOS Microcontroller Series

Microchip Technology 

PIC16C5X

19.3 Timing Parameter Symbology and Load Conditions

The timing parameter symbols have been created with one of the following formats:

1. TppS2ppS

2. TppS

T

F Frequency

Lowercase letters (pp) and their meanings:

pp

2 to

ck CLKOUT

cy cycle time

drt device reset timer

io I/O port

Uppercase letters and their meanings:

S

F Fall

H High

I Invalid (Hi-impedance)

L Low

T Time

mc MCLR

osc oscillator

os OSC1

t0 T0CKI

wdt watchdog timer

P Period

R Rise

V Valid

Z Hi-impedance

FIGURE 19-2:

LOAD CONDITIONS FOR DEVICE TIMING SPECIFICATIONS -

PIC16C54C/C55A/C56A/C57C/C58B-40

Pin

CL = 50 pF for all pins except OSC2

CL

0 pF for OSC2 in HS mode for

operation between

20 MHz to 40 MHz

VSS

 1997-2013 Microchip Technology Inc.

Preliminary

DS30453E-page 159

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