MSM7617 データシートの表示（PDF） - Oki Electric Industry

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MSM7617

2-Channel Echo Canceler

Oki Electric Industry 

¡ Semiconductor

AC Characteristics

Parameter

Clock Frequency

If Used Without Internal Sync Signal

Clock Cycle Time

If Used Without Internal Sync Signal

Clock Duty Cycle

Clock High Level Pulse Width

Clock Low Level Pulse Width

Clock Rise Time

Clock Fall Time

Internal Sync Clock Output Time

Internal Sync Clock Frequency

Internal Sync Clock Cycle Time

Internal Sync Clock Duty Cycle

Internal Sync Signal Output Time

Internal Sync Signal Period

Internal Sync Signal Pulse Width

Transmit/Receive Sync Clock Frequency

In Serial I/O Mode

Transmit/Receive Sync Clock Cycle Time

In Serial I/O Mode

Transmit/Receive Sync Clock Duty Cycle

Transmit/Receive Sync Signal Period

Sync Timing

Sync Signal Width

Receive Signal Setup Time

Receive Signal Hold Time

Receive Signal Input Time

In 2-Channel Serial Mode

MSM7617

Symbol

fC

tMCK

tDMC

tMCH

tMCL

tr

tf

tDCM

fCO

tCO

tDCO

tDCC

tCYO

tWSO

fSCK

tSCK

tDSC

tCYC

tXS

tSX

tWSY

tDS

tDH

tID

tID2

(VDD = 4.5 V to 5.5 V, Ta = –40°C to +85°C)

Min.

Typ.

Max.

Unit

—

19.2

—

MHz

18

—

20

—

52.08

—

ns

50

—

55.56

40

—

60

%

tMCK ¥ 0.4

—

tMCK ¥ 0.6

ns

tMCK ¥ 0.4

—

tMCK ¥ 0.6

ns

—

—

5

ns

—

—

5

ns

—

—

40

ns

—

256

—

kHz

—

3.9

—

µs

—

50

—

%

—

—

5

ns

—

125

—

µs

—

tCO

—

µs

64

—

2048

kHz

128

—

2048

0.488

—

15.62

µs

0.488

—

7.81

40

50

60

%

—

125

—

µs

45

—

—

ns

45

—

—

ns

tSCK

—

tCYC–tSCK

µs

45

—

—

ns

45

—

—

ns

—

7tSCK

—

µs

—

15tSCK

—

µs

16/28

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