1339RR-2 Просмотр технического описания (PDF) - Maxim Integrated

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1339RR-2

I2C Serial Real-Time Clock

Maxim Integrated 

AC ELECTRICAL CHARACTERISTICS

(VCC = MIN to MAX, TA = -40°C to +85°C.) (Note 13)

PARAMETER

SYMBOL

CONDITION

SCL Clock Frequency

Fast mode

fSCL

Standard mode

Bus Free Time Between a STOP

and START Condition

tBUF

Fast mode

Standard mode

Hold Time (Repeated) START

Condition (Note 8)

tHD:STA

Fast mode

Standard mode

LOW Period of SCL Clock

Fast mode

tLOW

Standard mode

HIGH Period of SCL Clock

tHIGH

Fast mode

Standard mode

Setup Time for a Repeated

START Condition

tSU:STA

Fast mode

Standard mode

Data Hold Time (Notes 9, 10)

tHD:DAT

Fast mode

Standard mode

Data Setup Time (Note 11)

tSU:DAT

Fast mode

Standard mode

Rise Time of Both SDA and SCL

Signals (Note 12)

tR

Fast mode

Standard mode

Fall Time of Both SDA and SCL

Signals (Note 12)

Fast mode

tF

Standard mode

Setup Time for STOP Condition

tSU:STO

Fast mode

Standard mode

Capacitive Load for Each Bus

Line (Note 12)

CB

I/O Capacitance (SDA, SCL)

CI/O

(Note 13)

Oscillator Stop Flag (OSF) Delay

tOSF

(Note 14)

DS1339 I2C Serial Real-Time Clock

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

100

MAX

400

100

UNITS

kHz

µs

µs

µs

µs

µs

0.9

µs

ns

300

ns

1000

300

ns

300

µs

400

pF

10

pF

ms

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