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PDF M5451 Data sheet ( Hoja de datos )
| Número de pieza | M5451 | |
| Descripción | LED DISPLAY DRIVERS | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de M5451 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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M5450
M5451
. M5450 34 OUTPUTS/15mA SINK
. M5451 35 OUTPUTS/15mA SINK
. CURRENT GENERATOR OUTPUTS (NO EX-
TERNAL RESISTORS REQUIRED)
. CONTINUOUS BRIGHTNESS CONTROL
. SERIAL DATA INPUT
. ENABLE (ON M5450)
. WIDE SUPPLY VOLTAGE OPERATION
. TTL COMPATIBILITY
....Application Examples :
MICROPROCESSOR DISPLAYS
INDUSTRIAL CONTROL INDICATOR
RELAY DRIVER
INSTRUMENTATION READOUTS
LED DISPLAY DRIVERS
A single pin controls the LED display brightness by
setting a reference current through a variable re-
sistor connected to VDD or to a separate supply of
13.2V maximum.
DIP40
(Plastic Package)
ORDER CODE : M5450B7 / M5451B7
DESCRIPTION
The M5450 and M5451 are monolithic MOS inte-
grated circuits produced with an N-channel silicon
gate technology. They are available in 40-pin dual
in-line plastic packages.
PIN CONNECTION
DIP40
VSS
OUTPUT BIT 17
OUTPUT BIT 16
OUTPUT BIT 15
OUTPUT BIT 14
OUTPUT BIT 13
OUTPUT BIT 12
OUTPUT BIT 11
OUTPUT BIT 10
OUTPUT BIT 9
OUTPUT BIT 8
OUTPUT BIT 7
OUTPUT BIT 6
OUTPUT BIT 5
OUTPUT BIT 4
OUTPUT BIT 3
OUTPUT BIT 2
OUTPUT BIT 1
BRIGHTNESS CONTROL
V DD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 OUTPUT BIT 18
39 OUTPUT BIT 19
38 OUTPUT BIT 20
37 OUTPUT BIT 21
36 OUTPUT BIT 22
35 OUTPUT BIT 23
34 OUTPUT BIT 24
33 OUTPUT BIT 25
32 OUTPUT BIT 26
31 OUTPUT BIT 27
30 OUTPUT BIT 28
29 OUTPUT BIT 29
28 OUTPUT BIT 30
27 OUTPUT BIT 31
26 OUTPUT BIT 32
25 OUTPUT BIT 33
24 OUTPUT BIT 34
23
DATA ENABLE FOR M5450
OUTPUT BIT 35 FOR M5451
22 DATA IN
21 CLOCK IN
PLCC44
(Plastic Chip Carrier)
ORDER CODE : M5451Q
PLCC44
OUTPUT BIT 13
OUTPUT BIT 12
OUTPUT BIT 11
OUTPUT BIT 10
OUTPUT BIT 9
N.C.
OUTPUT BIT 8
OUTPUT BIT 7
OUTPUT BIT 6
OUTPUT BIT 5
OUTPUT BIT 4
7
8
9
10
11
12
13
14
15
16
17
39 OUTPUT BIT 23
38 OUTPUT BIT 24
37 OUTPUT BIT 25
36 OUTPUT BIT 26
35 OUTPUT BIT 27
34 N.C.
33 OUTPUT BIT 28
32 OUTPUT BIT 29
31 OUTPUT BIT 30
30 OUTPUT BIT 31
29 OUTPUT BIT 32
September 1993
1/8
1 page  
TYPICAL APPLICATIONS
BASIC ELECTRONICALLY TUNED RADIO OR TV SYSTEM
AM
FM
34 SEGMENTS
M5450
DISPLAY
DRIVER
M5450 - M5451
KEYBOARD
ELECTRONIC
TUNING
CONTROLLER
DUPLEXING 8 DIGITS WITH ONE M5450
STATION
DETEC. ETC.
V DD
V LED
PLL
SYNTHESIZER
V LED
V DD
........
9 16 28 40 32 39 24 31
M5450
18 21 22 19
CLOCK IN
DATA IN
B RI GH TNE S S
CONTROL
20 1 23 17
VDD
5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet M5451.PDF ] | |
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