NJW1327FU1 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJW1327FU1

Multi Input SD/ HD Video Interface with I2C Control

Japan Radio Corporation  

NJW1327

„CHARACTERISTICS OF BUS LINES (SDA, SCL) FOR I2C BUS DEVICES

PARAMETER

SCL clock frequency

Hold time (repeated) START condition.

Low period of the SCL clock

High period of the SCL clock

Set-up time for a repeated START condition

Data hold time NOTE)

Data set-up time

Rise time of both SDA and SCL signals

Fall time of both SDA and SCL signals

Set-up time for STOP condition

Bus free time between a STOP and START condition

Capacitive load for each bus line

Noise margin at the Low level

Noise margin at the High level

SYMBOL

fSCL

tHD:STA

tLOW

tHIGH

tSU:STA

tHD:DAT

tSU:DAT

tr

tf

tSU:STO

tBUF

Cb

VnL

VnH

Standard mode

Fast mode

MIN. TYP. MAX. MIN. TYP. MAX.

UNIT

-

-

100

-

-

400

kHz

4.0

-

-

0.6

-

-

µs

4.7

-

-

1.3

-

-

µs

4.0

-

-

0.6

-

-

µs

4.7

-

-

0.6

-

-

µs

0

-

-

0

-

-

µs

250

-

-

100

-

-

ns

-

- 1000 -

-

300

ns

-

-

300

-

-

300

ns

4.0

-

-

0.6

-

-

µs

4.7

-

-

1.3

-

-

µs

-

-

400

-

-

400

pF

0.5

-

-

0.5

-

-

V

1

-

-

1

-

-

V

Cb ; total capacitance of one bus line in pF.

NOTE). Data hold time: tHD:DAT

Hold the Data Hold Time (tHD:DAT) to 300ns or more to avoid status of unstable at SCL falling edge.

Ver.2.3

-6-

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