SAMHOP Microelectronics Corp.
8-BIT CONSTANT CURRENT LED DRIVER
TEST CIRCUIT
DC Characteristic
IDD
IIL,IIH
VIL,VIH
VDD
ENABLE
OUT0
CLOCK
LATCH
OUT7
SERIAL-IN
SERIAL-OUT
R-EXT GND
lrext
IOUT
IOL, IOH
AC Characteristic
RL
VDD
OUT0
ENABLE
VIL,VIH
SW-
CLOCK
CL
MATRIX
LATCH
OUT7
SERIAL-IN
SERIAL-OUT
R-EXT GND
CL
VL
PRECAUTIONS FOR USING
Utmost care is necessary in the design of the output line, VDD and GND line, since IC may be destroyed due
to short-circuit between outputs, air contamination fault, or fault by improper grounding.
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