HCS500T-ISLASHST datasheet(27/42 Pages) MICROCHIP

No. de pieza	HCS500T-I/ST

Descripción Electrónicos	KEELOQ짰 Code Hopping Decoder

PDF	42 Pages

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Fabricante Electrónico	MICROCHIP [Microchip Technology]

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 2001-2015 Microchip Technology Inc.

DS40000153E-page 27

HCS500

9.2

AC Electrical Characteristics

9.2.1

COMMAND MODE ACTIVATION

9.2.2

READ FROM USER EEPROM COMMAND

TABLE 9-3:

COMMAND MODE ACTIVATION SPECIFICATIONS

Section 9.1 “Standard Operating Conditions”

Symbol

Parameters

Min.

Typ.

Max.

Units

TREQ

Command request time

0.0150

—

500

TRESP

Microcontroller request

acknowledge time

——

TACK

Decoder acknowledge time

—

s

TSTART

Start Command mode to first

command bit

—

1000

s

TCLKH

Clock high time

—

1000

s

TCLKL

Clock low time

—

1000

s

FCLK

Clock frequency

500

—

25000

TDS

Data hold time

—

s

TCMD

Command validate time

—

s

TADDR

Address validate time

—

s

TDATA

Data validate time

—

s

These parameters are characterized but not tested.

TABLE 9-4:

READ FROM EEPROM COMMAND

Section 9.1 “Standard Operating Conditions”

Symbol

Parameters

Min.

Typ.

Max.

Units

TRD

Decoder EEPROM read time

400

—

1500

s

These parameters are characterized but not tested.

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