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TIL311
HEXADECIMAL DISPLAY WITH LOGIC
TAOS058
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OCTOBER 2007
D
Internal TTL MSI IC with Latch, Decoder,
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D
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D
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Constant-Current Drive for Hexadecimal
D
and Driver
0.300-Inch (7,62-mm) Character Height
Wide Viewing Angle
High Brightness
Left-and-Right-Hand Decimals
Logic Supply 14
Data Input C 13
Data Input D 12
omitted 11
Right Decimal 10
omitted 9
Blanking Input 8
PACKAGE P
14-LEAD PDIP
(BOTTOM VIEW)
1 LED Supply
2 Data Input B
3 Data Input A
4 Left Decimal
5 Strobe Input
6 omitted
7 Ground
Characters
Separate LED and Logic Power Supplies
May Be Used
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Operates from 5-V Supply
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Easy System Interface
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RoHS Compliant
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
×
7 array of red
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
LED
Supply
Logic
Supply
A
B
C
D
Latch Strobe
Input
Blanking
Input
Latch
Data
Inputs
4-Bit
Latch
Decoder
Constant
Current
Driver
Left Decimal
Point Cathode
The
LUMENOLOGY
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Company
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Right Decimal
Point Cathode
Copyright
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2007, TAOS Inc.
Texas Advanced Optoelectronic Solutions Inc.
1001 Klein Road
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Suite 300
S
Plano, TX 75074
S
(972) 673-0759
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www.taosinc.com
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TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
