SM16706 View Datasheet(PDF) - Samhop Mircroelectronics

Part Name

Description

MFG CO.

SM16706

16-BIT CONSTANT CURRENT LED DRIVER

Samhop Mircroelectronics 

SAMHOP Microelectronics Corp. SM16706P/SP/F/FN

16-BIT CONSTANT CURRENT LED DRIVER

TRUTH TABLE

CLOCK LATCH ENABLE SERIAL-IN OUT0 … OUT7 … OUT15 SERIAL-OUT

UP

H

L

UP

L

L

UP

H

L

DOWN

X

L

DOWN

X

H

Dn

Dn + 1

Dn + 2

Dn + 3

Dn + 3

Dn … Dn - 7 … Dn - 15

No change

Dn + 2 … Dn - 5

Dn + 2 … Dn - 5

… Dn - 13

… Dn - 13

Off

Dn - 15

Dn - 14

Dn - 13

Dn - 13

Dn - 13

Note : 1.OUT0~15=on when Dn="H" ; OUT0~15=off when Dn="L".

2. In order to ensure that the level of the power supply voltage is correct, an external resistor

must be connected betwen R-EXT and GND.

EQUIVALENT CIRCUIT OF INPUTS AND OUTPUTS

1. ENABLE terminal

VDD

RIN(Up)

2. LATCH terminal

VDD

ENABLE

LATCH

GND

GND

RIN(Down)

3. CLOCK, SERIAL-IN terminal

VDD

CLOCK,

SERIAL-IN

GND

4. SERIAL-OUT terminal

VDD

GND

SERIAL-OUT

Page 3

V.2.0 MAY,2003

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