PIC16LF648AT-I/ML 查看數據表（PDF） - Microchip Technology

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PIC16LF648AT-I/ML

Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC16F627A/628A/648A

17.5 Timing Parameter Symbology

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

1. TppS2ppS

2. TppS

T

F

Frequency

Lowercase subscripts (pp) and their meanings:

pp

ck

CLKOUT

io

I/O port

mc

MCLR

Uppercase letters and their meanings:

S

F

Fall

H

High

I

Invalid (High-impedance)

L

Low

T

Time

osc

OSC1

t0

T0CKI

P

Period

R

Rise

V

Valid

Z

High-Impedance

FIGURE 17-3:

LOAD CONDITIONS

Load Condition 1

VDD/2

Load Condition 2

RL

Pin

CL

Pin

VSS

RL = 464Ω

CL = 50 pF for all pins except OSC2

15 pF for OSC2 output

CL

VSS

© 2007 Microchip Technology Inc.

DS40044F-page 141

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