ML22Q374 datasheet(8/35 Pages) ETC2

Il numero della parte	ML22Q374

Spiegazioni elettronici	ADPCM Speech Synthesis LSI

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FEDL22Q374-02

ML22Q374

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AC Characteristics

DVDD = SPVDD = 2.0 to 5.5 V, DGND = SPGND = 0 V, Ta = −40 to +85°C

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

RESET_N input pulse width

tRST

—

100

—

µs

Start time SPVDD after starting DVDD

tVDD

—

0

—

ns

Initialization time after reset release

tINIT

—

20

ms

BUSYB change time from "L" to "H",after

RESET_N fall edge

tBSYR

—

500

ns

tESCK1

Oscillation stop

2

—

ms

SCK input enable time from CSB fall edge

tESCK2

Oscillating

10

—

µs

SCK hold time from CSB rise edge

tCSH

—

200

—

ns

Data setup time from SCK rise edge

tDIS

—

50

—

ns

Data hold time from SCK rise edge

tDIH

—

50

—

ns

SCK cycle

tSCYC

—

500

—

ns

SCK “H” level pulse width

tSCKH

—

200

—

ns

SCK “L” level pulse width

tSCKL

—

200

—

ns

Playback time

tVCYC

—

20

—

ms

BUSYB change time from "H" to "L", after a

command is inputted

tCB

—

400

µs

CSB “H” level pulse width

tCSW

—

1

—

ms

Oscillation stop time, after playback

tOSST

—

500

µs

Next command transmit time

In the case of the continuation playback

tNCM

—

10

ms

Disconnection judging time

by the DISCONNECT command

tDCD

—

100

—

ms

BUSYB change time from "L" to "H",after

Over-current detection of a speaker amplifier

tSD

—

80

µs

Processing time before playback start

tPLBF

—

0.3

—

2.1

ms

Processing time after playback start

tPLAF

—

0.15

—

1.2

ms

Fade-out time at Change Immediately mode or

Change Immediately Once mode

tFDO

—

22

—

ms

Note: Output pin load capacitance = 45 pF

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