HCS500-IP datasheet(20/24 Pages) MICROCHIP

20 / 24 page

HCS500

DS40153B-page 20

Preliminary

8.1

AC Electrical Characteristics

8.1.1

COMMAND MODE ACTIVATION

8.1.2

READ FROM USER EEPROM COMMAND

8.1.3

WRITE TO USER EEPROM COMMAND

Standard Operating Conditions (unless otherwise speciﬁed):

Commercial (C):

°C ≤ TA ≤ +70°C

Industrial (I):

-40

°C ≤ TA ≤ +85°C

Symbol

Parameters

Min

Typ

Max

Units

TREQ

Command request time

0.0050

—

500

TRESP

Microcontroller request

acknowledge time

—

TACK

Decoder acknowledge time

—

µs

TSTART

Start command mode to ﬁrst

command bit

—

1000

µs

TCLKH

Clock high time

—

1000

µs

TCLKL

Clock low time

—

1000

µs

FCLK

Clock frequency

500

—

25000

TDS

Data hold time

—

µs

TCMD

Command validate time

—

µs

TADDR

Address validate time

—

µs

TDATA

Data validate time

—

µs

Standard Operating Conditions (unless otherwise speciﬁed):

Commercial (C):

°C ≤ TA ≤ +70°C

Industrial (I):

-40

°C ≤ TA ≤ +85°C

Symbol

Parameters

Min

Typ

Max

Units

TRD

Decoder EEPROM read time

400

—

1500

µs

Standard Operating Conditions (unless otherwise speciﬁed):

Commercial (C):

°C ≤ TA ≤ +70°C

Industrial (I):

-40

°C ≤ TA ≤ +85°C

Symbol

Parameters

Min

Typ

Max

Units

TWR

Write command activation time

—

1000

µs

TACK

EEPROM write acknowledge time

—

TRESP

Microcontroller acknowledge

response time

—

1000

µs

TACK2

Decoder response

acknowledge time

—

µs

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