HCS515-ISM datasheet(21/28 Pages) MICROCHIP

21 / 28 page

DS40183D-page 21

HCS515

8.1

AC Electrical Characteristics

8.1.1

VALID TRANSMISSION NOTIFICATION

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

TDHI

Command request time

0.0050

—

500

TCLA

Micro request acknowledge time

0.0050

—

TACK

Decoder Acknowledge time

—

µs

TACT

Start Command mode to

first command bit

—

1200

µs

TCLKH

Clock high time

—

1000

µs

TCLKL

Clock low time

—

1000

µs

FCLK

Clock frequency

500

—

25000

TDS

Data hold time

—

1000

µs

Note:

These parameters are characterized but not tested.

8.1.2

COMMAND MODE ACTIVATION

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

0.0050

—

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

Note:

These parameters are characterized but not tested.

8.1.3

READ FROM 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

TRD

Decoder EEPROM read time

1000

—

2000

µs

Note:

These parameters are characterized but not tested.

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