HEF4794B Datasheet, PDF (8/16 Pages) NXP Semiconductors – 8-stage shift-and-store register LED driver

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VDD
VCC
PWM
dimmer input
O0
VDD
D
EO
STR
CONTROL AND
SYNC CIRCUITRY
HEF4794B
O7
O _S'
CP
V _SS
O0
VDD
D
EO
STR
HEF4794B
O7
O _S'
CP
VSS
MBD913
DATA
CLOCK
from remote
controller
Fig.6 Application example: serial-to-parallel converting LED drivers.