PCF5077T Просмотр технического описания (PDF) - Philips Electronics

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PCF5077T

Power amplifier controller for GSM and PCN systems

Philips Electronics 

Philips Semiconductors

Power amplifier controller for GSM and

PCN systems

Preliminary specification

PCF5077T

TIMING CHARACTERISTICS

VDDA1, VDDA2 and VDDD = 2.7 to 6.0 V; VDDD = VDDA1 ≤ VDDA2; Tamb = −40 to +85 °C; unless otherwise specified.

SYMBOL

PARAMETER

MIN.

TYP.

UNIT

Controller timing; see Fig.3

td(TRIG-B)

td(B-C)

td(TRIG-E)

td(E-G)

delay from positive TRIG edge to time B = 13⁄6Tcy

delay from time B to time C = 18Tcy

delay from negative TRIG edge to time E = 13⁄6Tcy

delay from time E to time G = 38Tcy

Serial bus timing; see Fig.6

−

1.0

µs

−

8.31

µs

−

1.0

µs

−

17.54

µs

SERIAL PROGRAMMING CLOCK (PIN CLK)

tr

rise time

tf

fall time

Tcy

clock period

ENABLE PROGRAMMING (PIN STROBE)

tstart

strobe start time to first clock edge

tend

strobe end time after last clock edge

REGISTER SERIAL INPUT DATA (PIN DATA)

tsu

input data to CLK set-up time

th

input data to CLK hold time

−

10

ns

−

10

ns

100

−

ns

0

−

ns

40

−

ns

20

−

ns

20

−

ns

handbook, full pagewidth

CLK

DATA

tsu

Tcy

th

MSB

STROBE

tstart

LSB

tend

MGK913

1997 Nov 19

Fig.6 Serial bus timing diagram.

14

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