Datasheet > UL318

UL318

更新时间： 2024-10-03 01:12:35

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
6页	244K
描述
SERIAL-INTERFACED 10-DIGIT LED CONTROLLER IC WITH KEYSCAN

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UL318 数据手册

UNISONIC TECHNOLOGIES CO.,LTD.

UL318

Preliminary

LINEAR INTEGRATED CIRCUIT

SERIAL-INTERFACED

10-DIGIT LED CONTROLLER

IC WITH KEYSCAN



DESCRIPTION

The UL318 is a compact LED controller and driver that

interface microprocessors to LED displays through a serial

3-wire interface. It drives LED connected in common anode

configuration. The UL318 drives up to LEDs in 10

segment/7 digit~13 segment/4 digit configuration while

functioning from a supply voltage of 5.0V.



FEATURES

* LED driver with 17 outputs (14 segments/8 digits~13

segments/4 digits)

* Inputs with Schmitt trigger give superior noise

immunity

* Output pins connected directly to the LEDs

* Key-scanning (10 x 2 matrix)

* 3-wire serial bus interface (CLK, STB, DIO)

* 8-step dimming circuit to control the overall display

brightness

* 5.0 V (± 10%) for V_DD

* Drives common-anode LED digits

* Built-in power on reset circuits

* Built-in pull-up resistor (CLK,STB,DIO)



ORDERING INFORMATION

Ordering Number

Package

SOP-28

Packing

Lead Free

Halogen Free

UL318G-S28-R

UL318L-S28-R

Tape Reel



MARKING

www.unisonic.com.tw

1 of 6

QW-R125-087.a

12 3 4 5 6

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