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DSD-40BCD-GS

Description
Miniature 4 1/2 Digit, BCD Input Slave LED Display
File Size137KB,4 Pages
ManufacturerETC
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DSD-40BCD-GS Overview

Miniature 4 1/2 Digit, BCD Input Slave LED Display

®
®
www.datel.com
DSD-40BCD Series
Miniature
4½ Digit, BCD Input
Slave LED Display
Features
Low cost! Complete!
No external components required
Rugged, epoxy-encapsulated package
Ideal for computer-based instruments
Miniature size:
2.17" x 0.92" x 0.56"
55mm x 23mm x 14mm
Built-in color filter and bezel
Single +5V supply, TTL compatible
Low-power model, 35mA (175mW)
Large (0.52"/13.2mm), matched-
intensity, LED display
Choice of red or green LED's
Minus sign and decimal points included
PC-board or panel mountable
DATEL's new DSD-40BCD digital slave display combines a full-size, 4½ digit,
LED display with all the other necessary components (including a built-in, contrast-
enhancing filter/bezel) to implement a pc-board mountable instrument display. The
epoxy-encapsulated, 24-pin package, measuring only 2.17 x 0.92 x 0.56 inches, is
perfectly sized to occupy the absolute minimum pc-board space. The one-piece LED
display eliminates the need to purchase multiple, matched-intensity LED's — usually
an expensive and limited-availability situation.
The DSD-40BCD's flexible design gives the user full control of all major display
functions including display update rate, number of digits enabled, and decimal point
selection. Its TTL-compatible inputs interface directly with most BCD output, integrat-
ing analog-to-digital converters — no additional glue logic is required! When used
with sophisticated microcomputers, the brightness of any digit can be independently
controlled by simply lowering the digit-drive input duty cycle.
The extremely rugged package allows all models to operate over the temperature
range of 0 to +70°C (at 0 to 95% relative humidity). For power-sensitive designs, the
low-power DSD-40BCD-RL model, with all digits turned on, draws only 35mA from its
+5V supply. This ultra-low power consumption means that even battery-powered
applications can now benefit from the superior readability offered by LED displays.
1
+5V SUPPLY
DIGIT A
DRIVE 5
L
B4
12
N.C.
2
DISPLAY TEST
DIGIT B
DRIVE 1
DIGIT C
DRIVE 2
+5V
K
B2
11
N.C.
3
5V RETURN
J
B1
10
5V RETURN
4
DP 3
DIGIT D
DRIVE 3
POL
DIG 1
DIG 2
DIG 3
DIG 4
DIG 5
I
B8
9
N.C.
5
DP 2
DIGIT E
DRIVE 4
H
N.C.
DP
DP1
DP2
DP3
DP4
8
DP 4
6
DP 1
Segment
Identification
A
F
E
D
G
B
C
F
POLARITY
A
B
C
D
E
F
G
G
N.C.
7
N.C.
DIGIT
DRIVE 1
DIGIT
DRIVE 4
SEVEN-SEGMENT DRIVERS
BCD DECODER
DISPLAY TEST
DP 1
DP 4
Figure 1. DSD-40BCD Series Simplified Schematic
DATEL, Inc., Mansfield, MA 02048 (USA)
Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356
Email: sales@datel.com
Internet: www.datel.com

DSD-40BCD-GS Related Products

DSD-40BCD-GS DSD-40BCD DSD-40BCD-RS DSD-40BCD-RL
Description Miniature 4 1/2 Digit, BCD Input Slave LED Display Miniature 4 1/2 Digit, BCD Input Slave LED Display Miniature 4 1/2 Digit, BCD Input Slave LED Display Miniature 4 1/2 Digit, BCD Input Slave LED Display
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