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NJW1149

Audio Processor with Sound Enhancement and TruSurround 5.1ch Virtualizer

Japan Radio Corporation  

PRELIMINARY

NJW1149

s I2C BUS CHARACTERISTICS (SDA, SCL)

I2C BUS Load Conditions: Pull up resistance 4kΩ (Connected to +5V), Load capacitance 200pF (Connected to GND)

PARAMETER

SYMBOL MIN. TYP. MAX. UNIT

High Level Input Voltage

Low Level Input Voltage

High Level Input Current

Low Level Input Current

Low Level Output Voltage (3mA at SDA pin)

Maximum Output Current

Maximum Clock Frequency

Data Change Minimum Waiting Time

Data Transfer Start Minimum Waiting Time

Low Level Clock Pulse Width

High Level Clock Pulse Width

Minimum Start Preparation Waiting Time

Minimum Data Hold Time

Minimum Data Preparation Time

Rise Time

Fall Time

Minimum Stop Preparation Waiting Time

VIH

3.0

-

5.0

V

VIL

0

-

1.5

V

IIH

-

-

10

µA

IIL

-

-

10

µA

VOL

0

-

0.4

V

IOL

-3.0

-

-

mA

fSCL

0

-

100

kHz

tBUF

4.7

-

-

µs

tHD:STA

4.0

-

-

µs

tLOW

4.7

-

-

µs

THIGH

4.0

-

-

µs

tSU:STA

4.7

-

-

µs

tHD:DAT

5.0

-

-

µs

tSU:DAT

250

-

-

ns

tR

-

-

1.0

µs

tF

-

-

300

ns

tSU:STO

4.7

-

-

µs

SDA

tBU

tR

SCL

tHD:ST tLOW

P

S

tF

tHD:DA

tHIGH

tSU:DA

tHD:ST

tSU:ST

Sr

tSU:ST

P

–5–

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