L16B45A

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 12

www.unisonic.com.tw

QW-R102-071.a

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MARKING

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PIN CONFIGURATION

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PIN DESCRIPTION

PIN NO.

PIN NAME

DESCRIPTION

1

GND

Ground terminal for control logic and current sink

2

SDI

Serial-data input to the shift register

3

CLK

Clock input terminal for data shift on rising edge

4

LE

Data strobe input terminal

Serial data is transferred to the output latch when LE is high. The data is latched

when LE goes low.

5~20

0

OUT ~

15

OUT

Constant current output terminals

21

OE

Output enable terminal

When (active) low, the output drivers are enabled; when high, all output drivers are

turned OFF (blanked).

22

SDO

Serial-data output to the following SDI of next driver IC

23

R-EXT

Input terminal used to connect an external resistor for setting up output current for all

output channels

24

3.5V/5V supply voltage terminal