PCD6001 datasheet(70/96 Pages) PHILIPS

70 / 96 page

2001 Apr 17

Philips Semiconductors

Product speciﬁcation

Digital telephone answering machine chip

PCD6001

Table 63 Timing parameters in speech mode

Notes

1. Corresponds to the DCK frequency (2.048 MHz) with a 10% margin.

2. Condition CL = 150 pF.

SYMBOL

PARAMETER

MIN.

MAX.

UNITS

td(FSC)

frame sync (FSC) delay time

−tWL

100

tsu(FSC)

frame sync (FSC) set-up time

−

tWFH

frame sync (FSC) high time pulse width

130

−

TDCK

data clock (DCK) period

440(1)

−

tWH

data clock (DCK) high time pulse width

150

−

tWL

data clock (DCK) low time pulse width

150

−

td(DC)

output data (DO) to data clock delay time

−

100(2)

tsu(D)

input data (DI) set-up time

−

th(D)

input data (DI) hold time

−

handbook, full pagewidth

FSC

DCK

DI/DO

FSC

DCK

tW(FH)

TDCK

tsu(FSC)

th(D)

tsu(D)

tWH

tWL

td(FSC)

td(DC)

MGM795

Fig.32 4-wire interface timing in speech mode.

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