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STP16DPP05 Folha de dados(PDF) 11 Page - STMicroelectronics

Nome de Peças STP16DPP05
Descrição Electrónicos  Low voltage 16-bit constant current LED sink driver with output error detection
PDF  34 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STP16DPP05 Folha de dados(HTML) 11 Page - STMicroelectronics

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STP16DPP05
Timing diagrams
DocID16518 Rev 4
11/34
5
Timing diagrams
Table 9: Truth table
CLOCK
LE/DM1
OE/DM2
SERIAL-IN
OUT0 ............. OUT7 ................ OUT15
SDO
_|¯
H
L
Dn
Dn ..... Dn - 7 ..... Dn -15
Dn - 15
_|¯
L
L
Dn + 1
No change
Dn - 14
_|¯
H
L
Dn + 2
Dn + 2 ..... Dn - 5 ..... Dn -13
Dn - 13
¯|_
X
L
Dn + 3
Dn + 2 ..... Dn - 5 ..... Dn -13
Dn - 13
¯|_
X
H
Dn + 3
OFF
Dn - 13
OUTn = ON when Dn = H OUTn = OFF when Dn = L.
Figure 7: Timing diagram
1 Latch and output enable terminals are level-sensitive and are not synchronized
with rising or falling edge of CLK signal.
2 When LE/DM1 terminal is low level, the latch circuit holds previous set of data.
3 When LE/DM1 terminal is high level, the latch circuit refreshes new set of data
from SDI chain.
4 When OE/DM2
terminal is at low level, the output terminals Out 0 to Out 15
respond to data in the latch circuits, either ‘1’ for ON or ‘0’ for OFF.
5 When OE/DM2
terminal is at high level, all output terminals are switched
OFF.



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