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Ver1.0
4
LD1016
16 CHANNEL CONSTANT CURRENT LED DRIVERS
16-bit Output Driver
16-bit Output Latch
16-bit Shift Register
I-REF
REXT
OE
STROBE
DIN
CLK
IOUT14
IOUT1
IOUT0
IOUT15
VDD
GND
16
16
FUNCTIONAL BLOCK DIAGRAM
D
OUT
TERMINAL DESCRIPTION
Supply voltage terminal
VDD
24
Input terminal used to connect an external resistor for setting up
output current for all output channels
REXT
23
22
21
5-20
4
3
2
1
PIN NO
Serial data output to the following DIN of next driver IC
DOUT
Output enable terminal
When OE is low, the output drivers are enabled; when OE is high, all
output drivers are turned off
OEB
Constant current output terminals
IOUT[0:15]
Serial data is transferred to the output latch when STOBE is high. The
data is latched when STROBE goes low
STROBE
Clock input terminal for data shift to up-edge
CLK
Serial data input terminal for shift register
DIN
GND terminal for control logic and current sink
GND
Description
Pin Name
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