MCP2221 datasheet(63/80 Pages) MICROCHIP

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 2015 Microchip Technology Inc.

DS20005292B-page 63

MCP2221

4.2

AC Characteristics

4.2.1

TIMING PARAMETER SYMBOLOGY

The timing parameter symbols have been created in

one of the following formats:

4.2.2

TIMING CONDITIONS

The operating temperature and voltage specified in

Table 4-3 apply to all timing specifications, unless

otherwise noted. Figure 4-2 specifies the load

conditions for the timing specifications.

TABLE 4-3:

TEMPERATURE AND VOLTAGE SPECIFICATIONS – AC

FIGURE 4-2:

LOAD CONDITIONS

FOR DEVICE TIMING

SPECIFICATIONS

1. TppS2ppS

2. TppS

Frequency

Time

Error

Lowercase letters (pp) and their meanings:

Input or Output pin

osc

Oscillator

Receive

Transmit

bitclk

RX/TX BITCLK

RST

Reset

drt

Device Reset Timer

Uppercase letters and their meanings:

FFall

Period

HHigh

Rise

Invalid (high-impedance)

Valid

Low

High-impedance

AC CHARACTERISTICS

Standard Operating Conditions (unless otherwise stated)

Operating temperature -40

C  TA  +85C

Operating voltage VDD range as described in DC spec,

Section 4.1 “DC Characteristics”.

50 pF

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