MC145532 Ver la hoja de datos (PDF) - Motorola => Freescale

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MC145532

ADPCM Transcoder

Motorola => Freescale 

ENCODER OUTPUT — SHORT FRAME (VDD = 5.0 V, TA = – 40 to + 85°C)

Parameter

Symbol

Min

Enable Low Hold Time

th(EOE)L

30

Enable Valid Time

Enable Hold Time

Data Valid Time

tv(EOE)

15

th(EOE)

15

tv(EDO)

—

Data Three–State Time (with 150 pF Load)

tz(EDO)

1

Max

Unit

—

ns

—

ns

—

ns

40

ns

30

ns

EDC

1

2

3

4

5

6

7

8

EOE

*

LSB

EDO

MSB

* 32 kbps transcoding rate selected for this frame at EIE

@

LSB

MSB

@ 64 kbps transcoding rate selected for this frame at EIE

EDC

th(EOE)L

tv(EOE)

EOE

EDO

th(EOE)

tv(EDO)

tx(EDO)

MSB

LSB

Figure 3. Encoder Output Timing — Short Frame

MOTOROLA

MC145532

7

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