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PDF HV5812 Data sheet ( Hoja de datos )

Número de pieza HV5812
Descripción 20-Channel Serial-Input Vacuum Fluorescent Display Driver
Fabricantes Microchip 
Logotipo Microchip Logotipo



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HV5812
20-Channel Serial-Input Vacuum Fluorescent Display Driver for Anode or Grid
Features
• HVCMOS® Technology for High Performance
• Operating Voltage of up to 80V
• High-speed Source Driver
• 5V CMOS Logic Circuitry
• Up to 5 MHz Data Input Rate
• Excellent Noise Immunity
• Flexible High-voltage Supplies
Applications
• Display Driver
General Description
The HV5812 is a 20-channel serial-input vacuum
fluorescent display driver. It combines a 20-bit CMOS
shift register, data latches and control circuitry with
high-voltage MOSFET outputs. The HV5812 is
primarily designed for vacuum fluorescent displays.
The CMOS shift register and latches allow direct
interfacing with microprocessor-based systems. Data
input rates are typically over 5 MHz with 5V logic
supply. Especially useful for interdigit blanking, the
blanking input disables the output source drives and
turns on the sink drivers. Using with TTL may require
external pull-up resistors to ensure an input logic high.
Package Types
28-lead PDIP
(Top view)
1 28
28-lead PLCC
(Top view)
4 1 28 26
28-lead SOW
(Top view)
1 28
See Table 2-1 for pin information.
2016 Microchip Technology Inc.
DS20005629A-page 1

1 page




HV5812 pdf
HV5812
Timing Waveforms
CLK
tPWCLK
50% 50%
DATA IN
STROBE
50%
tSU
tPWD
th
50%
tCKS
tPWS
50% 50%
BL
HVOUT
50%
tPHL
tSTO 90% 90% 50%
10%
10%
tr tf
50%
tPLH
50%
VIH
VIL
VIH
VIL
VIH
VIL
VIH
VIL
VOH
VOL
2016 Microchip Technology Inc.
DS20005629A-page 5

5 Page





HV5812 arduino
28-Lead SOW (Wide Body) Package Outline (WG)
17.90x7.50mm body, 2.65mm height (max), 1.27mm pitch
D
28
θ1
HV5812
Note 1
(Index Area
0.25D x 0.75E1)
1
A A2
A1
Top View
e
Side View
E1 E
A
Seating
Plane
b
A
L2 Gauge
Plane
L
L1
View B
θ
Seating
Plane
View
hB
h Note 1
View A - A
Note: For the most current package drawings, see the Microchip Packaging Specification at www.microchip.com/packaging.
Note:
1. $3LQLGHQWL¿HUPXVWEHORFDWHGLQWKHLQGH[DUHDLQGLFDWHG7KH3LQLGHQWL¿HUFDQEHDPROGHGPDUNLGHQWL¿HUDQHPEHGGHGPHWDOPDUNHURU
a printed indicator.
Symbol
A A1 A2 b
D
E E1 e h L L1 L2 ș ș
MIN 2.15* 0.10 2.05 0.31 17.70* 9.97* 7.40*
0.25 0.40
Dimension
(mm)
NOM
-
-
-
-
17.90
10.30
7.50
1.27
BSC
-
-
1.40 0.25
REF BSC
MAX 2.65 0.30 2.55* 0.51 18.10* 10.63* 7.60*
0.75 1.27
0O
-
8O
5O
-
15O
JEDEC Registration MS-013, Variation AE, Issue E, Sep. 2005.
7KLVGLPHQVLRQLVQRWVSHFL¿HGLQWKH-('(&GUDZLQJ
Drawings are not to scale.
S
# S 28SO G
0 1309
2016 Microchip Technology Inc.
DS20005629A-page 11

11 Page







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