MCP2120

DS21618B-page 16

© 2007 Microchip Technology Inc.

4.2

Timing Parameter Symbology and Load Conditions

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

4.2.1

TIMING CONDITIONS

The temperature and voltages specified in Table 4-2 apply to all timing specifications unless otherwise noted. Figure 4-

2 specifies the load conditions for the timing specifications.

TABLE 4-1:

SYMBOLOGY

TABLE 4-2:

AC TEMPERATURE AND VOLTAGE SPECIFICATIONS

FIGURE 4-2:

Load Conditions for Device Timing Specifications

1. TppS2ppS

2. TppS

T

F

Frequency

T

Time

E

Error

Lowercase letters (pp) and their meanings:

pp

io

Input or Output pin

osc

Oscillator

rx

Receive

tx

Transmit

bitclk

RX/TX BITCLK

RST Reset

drt

Device Reset Timer

Uppercase letters and their meanings:

S

F

Fall

P

Period

H

High

R

Rise

I

Invalid (Hi-impedance)

V

Valid

L

Low

Z

Hi-impedance

AC CHARACTERISTICS

Standard Operating Conditions (unless otherwise stated)

Operating temperature

–40

istics”.

15 pF for OSC2 when external clock is used to drive OSC1