MCP2140AT-IP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP2140AT-IP

IrDA® Standard Protocol Stack Controller With Fixed 9600 Baud Communication Rate

Microchip Technology 

MCP2140A

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

1. TppS2ppS

T

F

Frequency

E

Error

Lowercase letters (pp) and their meanings:

pp

io

Input or Output pin

rx

Receive

bitclk

RX/TX BITCLK

drt

Device Reset Timer

Uppercase letters and their meanings:

S

F

Fall

H

High

I

Invalid (high-impedance)

L

Low

2. TppS

T

Time

osc

tx

RST

Oscillator

Transmit

Reset

P

Period

R

Rise

V

Valid

Z

High-impedance

TABLE 4-2: AC TEMPERATURE AND VOLTAGE SPECIFICATIONS

Electrical Characteristics:

Standard Operating Conditions (unless otherwise stated):

AC Specifications

Operating temperature: -40°C ≤ TA ≤ +85°C (industrial)

Operating voltage VDD range as described in DC spec Section 4.1 “DC

Characteristics”.

FIGURE 4-2:

LOAD CONDITIONS FOR DEVICE TIMING SPECIFICATIONS

Pin

CL

CL = 50 pF for all pins except OSC2

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

VSS

© 2007 Microchip Technology Inc.

DS22050A-page 33

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