SAMHOP Microelectronics Corp.
SM16706P/SP/F/FN
16-BIT CONSTANT CURRENT LED DRIVER
PIN DESCRIPTION
Pin NO.
I / O
Pin Name
Function Description
1
GND
GND terminal
2
3
I
I
SERIAL-IN
CLOCK
Terminal of serial-data input to the shift register.
Input terminal of a clock for shift register on rising edge.
Input terminal of data strobe. Latches pass data with
"H" level input of LATCH-terminal, and hold data with
"L" level input.
4
I
O
I
LATCH
OUT0 ~ 15
ENABLE
5 ~ 20
21
Constant Current-sinking output terminals.
Input terminal of output enable. All outputs (OUT0~15) do
off with "H" level input of ENABLE-terminal and do on
with "L" level input.
22
23
24
O
SERIAL-OUT
R-EXT
Output terminal of serial-data for next SERIAL-IN terminal.
An external resistor at this terminal establishes all of the
output current.
I / O
VDD
5V supply voltage terminal.
V.2.0 MAY,2003
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SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
