PIC18LF8410-I/PTQTP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF8410-I/PTQTP

64/80-Pin Flash Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC18F6310/6410/8310/8410

FIGURE 26-8:

OSC1

AD<19:16>

BA0

AD<15:0>

ALE

CE

WRH or

WRL

UB or

LB

PROGRAM MEMORY WRITE TIMING DIAGRAM

Q1

Q2

Q3

Q4

Address

150

151

171

171A

157

Address

166

Data

153

156

154

Operating Conditions: 2.0V < VCC < 5.5V, -40°C < TA < +125°C unless otherwise stated.

Q1

Q2

Address

Address

157A

TABLE 26-11: PROGRAM MEMORY WRITE TIMING REQUIREMENTS

Param.

No

Symbol

Characteristics

Min

Typ Max

150 TadV2alL Address Out Valid to ALE ↓ (address setup time)

0.25 TCY – 10 —

—

151 TalL2adl ALE ↓ to Address Out Invalid (address hold time)

5

—

—

153 TwrH2adl WRn ↑ to Data Out Invalid (data hold time)

5

—

—

154 TwrL

WRn Pulse Width

0.5 TCY – 5 0.5 TCY —

156 TadV2wrH Data Valid before WRn ↑ (data setup time)

0.5 TCY – 10

—

—

157 TbsV2wrL Byte Select Valid before WRn ↓ (byte select setup

time)

0.25 TCY

—

—

157A TwrH2bsI WRn ↑ to Byte Select Invalid (byte select hold time) 0.125 TCY – 5 —

—

166 TalH2alH ALE ↑ to ALE ↑ (cycle time)

—

0.25 TCY —

171

TalH2csL Chip Enable Active to ALE ↓

0.25 TCY – 20 —

—

171A TubL2oeH AD Valid to Chip Enable Active

—

—

10

Units

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

DS39635A-page 364

Preliminary

 2004 Microchip Technology Inc.

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