TRF6901 datasheet(9/29 Pages) TI

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TRF6901

SINGLECHIP RF TRANSCEIVER

SLWS110G − SEPTEMBER 2001 − REVISED JUNE 2004

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

timing data for serial interface

PARAMETER

MIN

MAX

UNIT

f(CLOCK)

Clock frequency

MHz

tw(CLKHI)

Clock high-time pulse width, clock high

tw(CLKLO)

Clock low-time pulse width, clock low

tsu(D)

Setup time, data valid before CLOCK

↑

th(D)

Hold time, data valid after CLOCK

↑

td(CLKLO)

Delay time of CLOCK low before STROBE high

tw(STROBEHI)

STROBE high-time pulse width, STROBE high

tw(STROBELO)

STROBE low-time pulse width, STROBE low

STROBE

t su(D)

Data

Valid

Data

Change

DATA

CLOCK

th(D)

t w(CLKHI)

t w(CLKLO)

Clock Disabled

Store Data

Shift in Data

w(STROBEHI)

−V

t d(CLKLO)

MSB

LSB

MSB

Start of

Next Word

Strobe Enabled

Clock Enabled

−V

tw(STROBELO)

NOTE: Most significant bit (MSB) clocked in first to the synthesizer.

Figure 2. Timing Data for Serial Interface

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