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UL319C Datasheet Preview

UL319C Datasheet

SERIAL-INTERFACED 10-DIGIT LED CONTROLLER

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UNISONIC TECHNOLOGIES CO.,LTD.
UL319C
Preliminary
LINEAR INTEGRATED CIRCUIT
SERIAL-INTERFACED
10-DIGIT LED CONTROLLER
IC
DESCRIPTION
The UL319C 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 UL319C drives up to 80 discrete LEDs in
10 segment/8 digit configuration while functioning from a
supply voltage of 5.0V.
SOP-28
FEATURES
* LED driver with 18 outputs (10 segments/8 digits)
* Output pins connected directly to the LEDs
* 3-wire serial bus interface (CLK, STB, DI/O)
* 8-step dimming circuit to control the overall display
brightness
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UL319CG-S28-R
UL319CG-S28-R
* Inputs with Schmitt trigger give superior noise
immunity
* 5.0 V (± 10%) for VDD
* Drives common-anode LED digits
* Built-in power on reset circuits
* Built-in pull-up resistor (CLK,STB,DI/O)
Package
SOP-28
Packing
Tape Reel
UL319CG-S28-R
(1)Packing Type
(2)Package Type
(3)Green Package
(1) R: Tape Reel
(2) S28: SOP-28
(3) G: Halogen Free and Lead Free, L: Lead Free
MARKING
28 27 26 25 24 23 22 21 20 19 18 17 16 15
UTC
UL319C
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Date Code
L: Lead Free
G: Halogen Free
Lot Code
www.unisonic.com.tw
Copyright © 2020 Unisonic Technologies Co., Ltd
1 of 7
QW-R125-089.d




UTC

UL319C Datasheet Preview

UL319C Datasheet

SERIAL-INTERFACED 10-DIGIT LED CONTROLLER

No Preview Available !

UL319C
Preliminary
PIN CONFIGURATIONS
LINEAR INTEGRATED CIRCUIT
NC
NC
NC
VDD
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 STB
27 CLK
26 DIO
25 VSS
24 GRID1
23 GRID2
22 GRID3
21 GRID4
20 GRID5
19 GRID6
18 VSS
17 GRID7
16 GRID8
15 VDD
PIN CONFIGURATIONS
PIN NUMBER
SYMBOL
TYPE
26
DI/O
IN/OUT
27 CLK IN
28 STB IN
5 ~ 15
24,23,22,21,20
,19,17,16
4,15
18,25
1~3
SEG1/
SEG10
GRID1
GRID8
VDD
VSS
NC
OUT
OUT
PWR
PWR
FUNCTION
Output serial data at falling edge of the shift clock, starting from
lower bit. Input serial data is clocked in at rising edge of the shift
clock, starting from lower bit.
Reads serial data at rising edge, and outputs data at falling edge.
Initializes serial interface at rising or falling edge for reception of
command. Data input after the falling edge of STB are processed
as a command. While command data are processed, current
processing is stopped, and the serial interface is initialized. While
STB is high, instructions are ignored.
Segment output pin
Digit output pin
5.0 V ± 10% Core main supply voltage. Bypass to GND through a
0.1 μF capacitor as close to the pin as possible
Connect this pin to system GND
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 7
QW-R125-089.d


Part Number UL319C
Description SERIAL-INTERFACED 10-DIGIT LED CONTROLLER
Maker UTC
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UL319C Datasheet PDF






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