SM16705 Datasheet, PDF (3/15 Pages) SamHop Microelectronics Corp. – 8-BIT CONSTANT CURRENT LED DRIVER

SAMHOP Microelectronics Corp.
8-BIT CONSTANT CURRENT LED DRIVER
PIN DESCRIPTION
Pin NO. I / O
Pin Name
Function Description
1
GND
GND terminal
2
I
SERIAL-IN Terminal of serial-data input to the shift register.
3
4
5~12
13
14
15
16
I
CLOCK
Input terminal of a clock for shift register on rising edge.
Input terminal of data strobe. Latches pass data with
I
LATCH
"H" level input of LATCH-terminal, and hold data with
"L" level input.
O
OUT0~7 Constant Current-sinking output terminals.
Input terminal of output enable. All outputs (OUT0~7) do
I
ENABLE off with "H" level input of ENABLE-terminal and do on
with "L" level input.
O
SERIAL-OUT Output terminal of serial-data for next SERIAL-IN terminal.
I/O
R-EXT
An external resistor at this terminal establishes all of the
output current.
VDD
Supply voltage terminal.
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