SAMHOP Microelectronics Corp. SM16706P/SP/F/FN
16-BIT CONSTANT CURRENT LED DRIVER
TIMING WAVEFORM
1. CLOCK, SERIAL-IN, SERIAL-OUT, OUTn
CLOCK
tr
tf
tw CLK
tw CLK
90%
50%
10%
90%
50%
10%
tsetup(D)
thold(D)
50%
SERIAL-IN
SERIAL-OUT,
OUTn (current)
50%
50%
tor
90%
50%
10%
tpLH
tof
90%
50%
10%
tpHL
2. CLOCK-LATCH
CLOCK
50%
50%
SERIAL-IN
LATCH
3. ENABLE-OUTn
ENABLE
OUTn (Current)
"L" level = DATA HOLD
50%
tW LAT
tsetup(L)
50%
50%
tpLH
tw EN
50%
50%
tpHL
50%
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V2.0 MAY,2003