TRF6900
SINGLE-CHIP RF TRANSCEIVER
SLAS213C – SEPTEMBER 1999 – REVISED MAY 2000
timing data for serial interface (see Figure 2)
PARAMETER
MIN
MAX
UNIT
MHz
ns
f
t
t
t
t
t
t
CLOCK frequency
20
(CLOCK)
CLOCK high time pulse width, CLOCK high
CLOCK low time pulse width, CLOCK low
Setup time, data valid before CLOCK high
Hold time, data valid after CLOCK high
Strobe high time pulse width, STROBE high (see note 2)
Strobe low time pulse width, STROBE low
25
25
25
25
25
25
w(CLKHI)
ns
w(CLKLO)
su(DATA)
ns
ns
h(DATA)
ns
w(STROBEHI)
w(STROBELO)
ns
t
(CLKLO)
w
t
(CLKHI)
w
t
(STROBEHI)
w
CLOCK
DATA
t
(DATA)
su
t
(STROBELO)
w
t (DATA)
h
STROBE
NOTE 2: CLOCK and DATA must both be low when STROBE is asserted (STROBE= 1).
Figure 2. Serial Data Interface Timing
10
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