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ML7021

Single Rail CODEC

Oki Electric Industry 

1Semiconductor

ML7021

AC Characteristics

Parameter

Symbol

Clock Frequency

When Internal Sync Signal is not used fC

Clock Cycle Time

When Internal Sync Signal is not used tMCK

Clock Duty Ratio

tDMC

Clock High Level Pulse Width

fc = 19.2 MHz

tMCH

Clock Low Level Pulse Width

fc = 19.2 MHz

tMCL

Clock Rise Time

tr

Clock Fall Time

tf

Sync Clock Output Time

tDCM

Internal Sync Clock Frequency

fCO

Internal Sync Clock Output Cycle Time tCO

Internal Sync Clock Duty Ratio

tDCO

Internal Sync Signal Output Delay Time tDCC

Internal Sync Signal Period

tCYO

Internal Sync Signal Output Width tWSO

Transmit/receive Operation Clock Frequency fSCK

Transmit/receive Sync Clock Cycle Time tSCK

Transmit/receive Sync Clock Duty Ratio tDSC

Transmit/receive Sync Signal Period tCYC

Sync Timing

tXS

tSX

Sync Signal Width

tWSY

Receive Signal Setup Time

tDS

Receive Signal Hold Time

tDH

Receive Data Input Time

tID

IRLD Signal Output Delay Time

tDIC

IRLD Signal Output Width

tWIR

Serial Output Delay Time

tSD

tXD

Reset Signal Input Width

tWR

Reset Start Time

tDRS

Reset End Time

tDRE

Processing Operation Start Time tDIT

VDD = 2.7 V to 3.6 V

Min. Typ. Max.

—

19.2

—

17.5

—

20

— 52.08 —

50

— 57.14

40

—

60

20.8

—

31.3

20.8

—

—

—

—

—

—

—

—

—

64

0.488

40

123

45

45

tSCK

45

45

—

—

—

—

—

1

5

—

100

—

31.3

—

—

—

256

3.9

50

—

125

tCO

—

—

50

125

—

—

—

—

—

7tSCK

—

tSCK

—

—

—

—

—

—

5

5

30

—

—

—

5

—

—

2048

15.6

60

—

—



tCYC-tSCK

—

—

—

138

—

90

90

—

—

52

—

(Ta = –40˚C to +85˚C)

VDD = 4.5 V to 5.5 V

Unit

Min. Typ. Max.

—

19.2

17.5

—

—

MHz

20

— 52.08 —

ns

50

— 57.14

40

—

60

ns

20.8

—

31.3 ns

20.8

—

—

—

—

—

—

—

—

—

64

0.488

40

123

45

45

tSCK

45

45

—

—

—

—

—

1

5

—

100

—

31.3 ns

—

—

—

256

3.9

50

—

125

tCO

—

—

50

125

—

—

—

—

—

7tSCK

—

tSCK

—

—

—

—

—

—

5

ns

5

ns

30

ns

— kHz

—

ms

—

%

5

ns

—

ms

—

ms

2048 kHz

15.6 ms

60

%

—

ms

—

ns



ns

tCYC-tSCK ms

—

ns

—

ns

—

ms

138 ns

—

ms

90

ns

90

ns

—

ms

—

ns

52

ns

—

ms

10

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