Ac electrical characteristics – Rainbow Electronics LM95010 User Manual

Page 4

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SWD and ADD DIGITAL INPUT CHARACTERISTICS

Symbol

Parameter

Conditions

Typical

(Note 7)

Limits

(Note 8)

Units

(Limit)

C

IN

Digital Input Capacitance

10

pF

SWD DIGITAL OUTPUT CHARACTERISTICS

Symbol

Parameter

Conditions

Typical

(Note 7)

Limits

(Note 8)

Units

(Limit)

V

OL

Open-drain Output Logic “Low”

Voltage

I

OL

= 4 mA

0.4

V (max)

I

OL

= 50 µA

0.2

V (max)

I

OH

Open-drain Output Off Current

±

0.005

±

10

µA (max)

C

OUT

Digital Output Capacitance

10

pF

AC Electrical Characteristics

The following specification apply for V+ = +3.0V

DC

to +3.6V

DC

, unless otherwise specified. Boldface limits apply for

T

A

= T

J

= T

MIN

to T

MAX

; all other limits T

A

= T

J

= 25 ˚C. The SensorPath Characteristics conform to the SensorPath specifi-

cation. Please refer to that specification for further details.

HARDWARE MONITOR CHARACTERISTICS

Symbol

Parameter

Conditions

Typical

(Note 7)

Limits

(Note 8)

Units

(Limits)

t

CONV

Total Monitoring Cycle Time (Note 11)

Default

182

163.8

ms (min)

200.2

ms (max)

SensorPath Bus CHARACTERISTICS

Symbol

Parameter

Conditions

Typical

(Note 7)

Limits

(Note 8)

Units

(Limits)

t

f

SWD fall time (Note 12)

R

pull-up

= 1.25 k

±

30%, C

L

= 400 pF

300

ns (max)

t

r

SWD rise time (Note 13)

R

pull-up

=

1.25 k

±

30%,

C

L

= 400 pF

1000

ns (max)

t

INACT

Minimum inactive time (bus at high level)

guaranteed by the LM95010 before an

Attention Request

11

µs (min)

t

Mtr0

Master drive for Data Bit 0 write and for

Data Bit 0-1read

11.8

µs (min)

17.0

µs (max)

t

Mtr1

Master drive for Data Bit 1 write

35.4

µs (min)

48.9

µs (max)

t

SFEdet

Time allowed for LM95010 activity

detection

9.6

µs (max)

t

SLout1

LM95010 drive for Data Bit 1 read by

master

28.3

µs (min)

38.3

µs (max)

t

MtrS

Master drive for Start Bit

80

µs (min)

109

µs (max)

t

SLoutA

LM95010 drive for Attention Request

165

µs (min)

228

µs (max)

t

RST

Master or LM95010 drive for Reset

354

µs (min)

t

RST_MAX

Maximum drive of SWD by an LM95010,

after the power supply is raised above 3V

500

ms (max)

LM95010

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