DS1678ST 데이터 시트보기 (PDF) - Maxim Integrated

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DS1678ST

Real-Time Event Recorder

Maxim Integrated 

DS1678 Real-Time Event Recorder

AC ELECTRICAL CHARACTERISTICS

(VCC= 2.6V to 5.5V or VBAT = 2.6V to 3.5V, TA = -40°C to +85°C.) (Note 1)

PARAMETER

SYMBOL CONDITIONS MIN

Input Capacitance

CI

INT

Minimum Signal Width

Minimum Event Rate

tGLITCH

tEVENT

0.122

0.854

TYP

10

MAX

0.245

1.22

UNITS

pF

ms

ms

AC ELECTRICAL CHARACTERISTICS

(VCC = 4.5V to 5.5V, TA = -40°C to +85°C.) (Note 1)

PARAMETER

SYMBOL CONDITIONS

SCL Clock Frequency

Bus Free Time Between a STOP and

START Condition

Hold Time (Repeated) START

Condition (Note 3)

LOW Period of SCL

HIGH Period of SCL

Setup Time for a Repeated START

Data Hold Time (Note 4)

Data Setup Time (Note 5)

Rise Time of Both SDA and SCL

Signals (Note 6)

Fall Time of Both SDA and SCL

Signals (Note 6)

Setup Time for STOP

Capacitive Load for Each Bus Line

(Note 6)

Input Capacitance (SCL, SDA)

fSCL

tBUF

tHD:STA

tLOW

tHIGH

tSU:STA

tHD:DAT

tSU:DAT

tR

tF

tSU:STO

CB

CI

Fast mode

Standard mode

Fast mode

Standard mode

Fast mode

Standard mode

Fast mode

Standard mode

Fast mode

Standard mode

Fast mode

Standard mode

Fast mode

Standard mode

Fast mode

Standard mode

Fast mode

Standard mode

Fast mode

Standard mode

Fast mode

Standard mode

MIN TYP

100

1.3

4.7

0.6

4.0

1.3

4.7

0.6

4.0

0.6

4.7

0

0

100

250

20 + 0.1CB

20 + 0.1CB

20 + 0.1CB

20 + 0.1CB

0.6

4.0

MAX

400

100

0.9

300

1000

300

300

UNITS

kHz

µs

µs

µs

µs

µs

µs

ns

ns

ns

µs

400

pF

5

pF

WARNING: Under no circumstances are negative undershoots of any amplitude allowed

when the device is in write protect.

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