HCS500 datasheet(26/40 Pages) MICROCHIP

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HCS500

DS40153D-page 26

9.1

AC Electrical Characteristics

9.1.1

COMMAND MODE ACTIVATION

9.1.2

READ FROM USER EEPROM COMMAND

9.1.3

WRITE TO USER EEPROM COMMAND

Standard Operating Conditions (unless otherwise specified):

Commercial (C):

0°C

≤TA ≤+70°C

Industrial (I):

-40°C

≤TA ≤+85°C

Symbol

Parameters

Min

Typ

Max

Units

TREQ

Command request time

0.0150

—

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

These parameters are characterized but not tested.

Standard Operating Conditions (unless otherwise specified):

Commercial (C):

0°C

≤TA ≤+70°C

Industrial (I):

-40°C ð TA

≤+85°C

Symbol

Parameters

Min

Typ

Max

Units

TRD

Decoder EEPROM read time

400

—

1500

μs

These parameters are characterized but not tested.

Standard Operating Conditions (unless otherwise specified):

Commercial (C):

0°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

These parameters are characterized but not tested.

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