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BU2872AK 数据表(PDF) 1 Page - Rohm

部件名 BU2872AK
功能描述  FL tube driver
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制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm

BU2872AK 数据表(HTML) 1 Page - Rohm

  BU2872AK Datasheet HTML 1Page - Rohm BU2872AK Datasheet HTML 2Page - Rohm BU2872AK Datasheet HTML 3Page - Rohm BU2872AK Datasheet HTML 4Page - Rohm  
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1
Standard ICs
FL tube driver
BU2872AK
The BU2872AK is a driver IC for the FL display unit. It has a total of 22 high withstanding voltage output pins, and
supports displays ranging from 11-segment 11-character displays to 16-segment 4-character displays. A key scan
function, LED drive output, and a general-purpose input pin make this IC ideal for use in the front panels of VTRs
and other equipment. A serial interface enables control of all functions through a microcomputer.
Applications
VCRs
Block diagram
SEGMENT Driver
latch
K1
K4
L4
L1
SW4
SW1
G1
G6
CONTROL
LOGIC
OSC
16bit latch
16bit
× 11word
Display DATA RAM
S / G Driver
8bit shift - REG.
(4
× 6)
KEY DATA
Features
1) High withstanding voltage output.
2) Display modes: 11S
× 11G ~16S × 4G
3) Variable display luminance (7 steps).
4) 3-wire serial interface.
5) Key scanning function (6
× 4).
6) Internal pull-down resistance (high withstanding volt-
age output).
7) QFP 44-pin package.


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