PIC16C84A datasheet(76/117 Pages) MICROCHIP

76 / 117 page

PIC16C8X

DS30081F-page 76

Applicable Devices 83 R83 84 84A R84

TABLE 11-2:

TIMING PARAMETER SYMBOLOGY

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

FIGURE 11-1: PARAMETER MEASUREMENT INFORMATION

FIGURE 11-2: LOAD CONDITIONS

1. TppS2ppS

2. TppS

Frequency

Time

Lowercase symbols (pp) and their meanings:

CLKOUT

osc

OSC1

I/O port

T0CKI

MCLR

Uppercase symbols and their meanings:

Fall

Period

High

Rise

Invalid (Hi-impedance)

Valid

Low

Hi-impedance

All timings are measured between high and low measurement points as indicated in the ﬁgure.

2.0 VDD (High)

0.2 VDD (Low)

0.8 VDD RC

0.3 VDD XTAL

OSC1 Measurement Points

I/O Port Measurement Points

0.15 VDD RC

0.7 VDD XTAL

(High)

(Low)

Load Condition 1

Load Condition 2

VSS

VDD/2

VSS

RL =

464

Ω

CL =

50 pF

for all pins except OSC2.

15 pF

for OSC2 output.

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