NJW1328 データシートの表示（PDF） - Japan Radio Corporation

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NJW1328

Multi Input Wide Band Video Interface with I2C Control

Japan Radio Corporation  

NJW1328

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

PARAMETER

SCL clock frequency

HOLD time

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

Cb ; total capacitance of one bus line in pF

SYMBOL

fSCL

tHD:STA

tLOW

tHIGH

tSU:STA

tHD:DAT

tSU:DAT

tr

tf

tSU:STO

tBUF

Cb

VnL

VnH

STANDARD MODE

MIN. TYP. MAX.

-

-

100

4.0

-

-

4.7

-

-

4.0

-

-

4.7

-

-

0

-

-

250

-

-

-

- 1000

-

-

300

4.0

-

-

4.7

-

-

-

-

400

0.5

-

-

1

-

-

HIGH-SPEED MODE

MIN. TYP. MAX.

-

-

400

0.6

-

-

1.3

-

-

0.6

-

-

0.6

-

-

0

-

-

100

-

-

-

-

300

-

-

300

0.6

-

-

1.3

-

-

-

-

400

0.5

-

-

1

-

-

UNIT

kHz

µs

µs

µs

µs

µs

ns

ns

ns

µs

µs

pF

V

V

NOTE) Data hold time: tHD:DAT

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

-6-

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