TIL311

HEXADECIMAL DISPLAY WITH LOGIC

TAOS058 − JANUARY 2004

1

The

LUMENOLOGY

r Company

r

r

Copyright

E 2006, TAOS Inc.

www.taosinc.com

and Driver

Characters

May Be Used

Description

The TIL311 is a single-digit LED hexadecimal display with internal four-bit latch, decoder, and constant-current

LED drivers in a 14-pin dual-in-line-package. Hexadecimal characters are formed by a 4

light-emitting-diodes that are illuminated in a modified seven-segment configuration. The device includes

right-hand and left-hand externally driven decimal points.

Functional Block Diagram

4-Bit

Latch

Decoder

Constant

Current

Driver

Latch

Data

Inputs

A

B

C

D

Left Decimal

Point Cathode

Right Decimal

Point Cathode

Latch Strobe

Input

Blanking

Input

Logic

Supply

LED

Supply

r

r

Texas Advanced Optoelectronic Solutions Inc.

1001 Klein Road

S Suite 300 S Plano, TX 75074 S (972) 673-0759

1 LED Supply

2 Data Input B

3 Data Input A

4 Left Decimal

5 Strobe Input

6 omitted

7 Ground

PACKAGE P

14-LEAD PDIP

(BOTTOM VIEW)

Logic Supply 14

Data Input C 13

Data Input D 12

omitted 11

Right Decimal 10

omitted 9

Blanking Input 8