TCA62746AFG Datasheet, PDF (4/25 Pages) Toshiba Semiconductor – 16-Output Constant Current LED Driver with Output Open/Short Detection

TCA62746AFG/AFNG
Truth Table
SCK
SLAT
OE
SIN
OUT0 ʜ OUT7 ʜ OUT15 *1
SOUT
H
L
Dn
Dn ʜ Dn − 7 ʜ Dn − 15
Dn − 15
L
L
Dn + 1
No Change
Dn − 14
H
L
Dn + 2
Dn + 2 ʜ Dn − 5 ʜ Dn − 13
Dn − 13
- *2
L
Dn + 3
Dn + 2 ʜ Dn − 5 ʜ Dn − 13
Dn − 13
- *2
H
Dn + 3
OFF
Dn − 13
Note1: When OUT0 to OUT15 output pins are set to "H" the respective output will be ON and when set to "L" the
respective output will be OFF.
Note2: “-“ is irrelevant to the truth table.
Timing Chart
n = 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
SCK
SIN
SLAT
OE
OUT0
OUT1
OUT 2
H
L
H
L
H
L
H
L
ON
OFF
ON
OFF
ON
OFF
OUT15
SOUT
ON
OFF
H
L
Note 1:
Note 2:
The latch circuit is a leveled-latch circuit. Please exercise precaution as it is not triggered-latch circuit.
Keep the SLAT pin is set to “L” to enable the latch circuit to hold data. In addition, when the SLAT pin is set
to “H” the latch circuit does not hold data. The data will instead pass onto output.
When the OE pin is set to “L” the OUT0 to OUT15 output pins will go ON and OFF in response to the
data. In addition, when the OE pin is set to “H” all the output pins will be forced OFF regardless of the data.
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2007-05-22