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PDF MC14499 Data sheet ( Hoja de datos )
| Número de pieza | MC14499 | |
| Descripción | 7-Segment LED Display Decoder/Driver with Serial Interface | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MC14499 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
7-Segment LED Display
Decoder/Driver
with Serial Interface
CMOS
The MC14499 is a 7–segment alphanumeric LED decoder/driver with a serial
interface port to provide communication with CMOS microprocessors and
microcomputers. This device features NPN output drivers which allow
interfacing to common cathode LED displays through external series resistors.
• High–Current Segment Drivers On–Chip
• CMOS MPU compatible Input Levels
• Wide Operating Voltage Range: 4.5 to 6.5 V
• Operating Temperature Range: 0 to 70°C
• Drives Four Characters with Decimal Points
• Also See MC14489
BLOCK DIAGRAM
DATA
CLK
ENB
DQ
4 BITS
C*
D20 Q5
16–BIT SHIFT REGISTER
C
4 4 44
C
LATCH
DECIMAL
POINT
D4 Q1
4 BITS
C
C
LATCH
4 4 44
MULTIPLEXER
MUX
AB
B4
SEGMENT
4 DECODER
OSC OSCILLATOR
DECODER
* Transparent Latch
2:1
MUX
7
SEGMENT
DRIVERS
h
g
f
e
d
c
b
a
I
4
SCANNER II
BUFFERS III
IV
Order this document
by MC14499/D
MC14499
18
1
P SUFFIX
PLASTIC DIP
CASE 707
20
1
DW SUFFIX
SOG PACKAGE
CASE 751D
ORDERING INFORMATION
MC14499P Plastic DIP
MC14499DW SOG Package
PIN ASSIGNMENTS
PLASTIC DIP
d1
c2
18 VDD
17 e
b3
16 f
a4
15 g
DATA 5
14 h
OSC 6
13 CLK
IV 7
12 ENB
III 8
11 I
VSS 9
10 II
SOG PACKAGE
d
c
b
a
DATA
OSC
IV
III
VSS
NC
1
2
3
4
5
6
7
8
9
10
20 VDD
19 e
18 f
17 g
16 h
15 CLK
14 ENB
13 I
12 II
11 NC
NC = NO CONNECTION
SAME AS IN DL130/D R1
©MOMoTtoOroRla,OInLc.A1995
MC14499
1
1 page  
OSC
DIGIT I
DIGIT II
DIGIT III
DIGIT IV
SEGMENT
OUTPUTS
tOD 1/tOSC
tSCAN
tOV
tOS
Figure 4. Scanner Waveforms
0000 1000
0001 1001
0010 1010
0011 1011
0100 1100
0101 1101
0110 1110 DASH
0111 1111 BLANK
Figure 5. Segment Code
MOTOROLA
MC14499
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MC14499.PDF ] | |
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