Datasheet > UL319B

UL319B

更新时间： 2024-10-03 01:23:39

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
7页	215K
描述
SERIAL-INTERFACED 14-DIGIT LED CONTROLLER IC

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UL319B 数据手册

UNISONIC TECHNOLOGIES CO.,LTD.

UL319B

Preliminary

LINEAR INTEGRATED CIRCUIT

SERIAL-INTERFACED

14-DIGIT LED CONTROLLER

IC WITH KEYSCAN



DESCRIPTION

The UL319B 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 UL319B drives up to 112 discrete LEDs

in 14 segment/8 digit configuration while functioning from a

supply voltage of 5.0V.



FEATURES

* LED driver with 22 outputs (14 segments/8 digits)

* Output pins connected directly to the LEDs

* Key-scanning (8 x 2 matrix)

* Inputs with Schmitt trigger give superior noise

immunity

* 5.0 V (± 10%) for V_DD

* 3-wire serial bus interface (CLK, STB, DI/O)

* 8-step dimming circuit to control the overall display

brightness

* Drives common-anode LED digits

* Built-in power on reset circuits

* Built-in pull-up resistor (CLK,STB,DI/O)



ORDERING INFORMATION

Ordering Number

Package

SOP-32

Packing

Lead Free

Halogen Free

UL319BG-S32-R

Tape Reel



MARKING

www.unisonic.com.tw

1 of 7

QW-R125-085.a

12 3 4 5 6 7

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