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BU9910KV

Description
Status display LCD driver for PCs with I2C Bus interface
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size92KB,15 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
Environmental Compliance
Download Datasheet Parametric View All

BU9910KV Overview

Status display LCD driver for PCs with I2C Bus interface

BU9910KV Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerROHM Semiconductor
Parts packaging codeQFP
package instructionLFQFP, QFP48,.35SQ,20
Contacts48
Reach Compliance Codecompli
ECCN codeEAR99
data entry modePARALLEL
display modeDOT MATRIX
Interface integrated circuit typeLIQUID CRYSTAL DISPLAY DRIVER
JESD-30 codeS-PQFP-G48
JESD-609 codee3/e2
length7 mm
Multiplex display functionNO
Number of base plates4-BP
Number of functions1
Number of segments15
Number of terminals48
Maximum operating temperature75 °C
Minimum operating temperature-15 °C
Package body materialPLASTIC/EPOXY
encapsulated codeLFQFP
Encapsulate equivalent codeQFP48,.35SQ,20
Package shapeSQUARE
Package formFLATPACK, LOW PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)260
power supply5 V
Certification statusNot Qualified
Maximum seat height1.625 mm
Maximum slew rate0.05 mA
Maximum supply voltage5.5 V
Minimum supply voltage3 V
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL EXTENDED
Terminal surfaceTIN/TIN COPPER
Terminal formGULL WING
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperature10
width7 mm
minfmax0.4 MHz
Base Number Matches1
Multimedia ICs
Status display LCD driver for PCs
with I
2
C Bus interface
BU9910KV
The BU9910KV is a status LCD driver with I
2
C Bus intetface. Various lighting mode can be controlled through I
2
C
Bus. In addition, 20 direct drive inputs allow the application to drive 20 elements directly without I
2
C Bus, so that the
system configuration can be kept simple.
Applications
PCs
Featuresinterface.
1) I C Bus
2
2) Drive up to 44 LCD cells.
4 common
×
11 segment, 1 / 3 bias, 1 / 4 duty
3) Blink operation for eaeh cell.
4) Support four frame frequencies
256Hz, 128Hz, 64Hz, 32Hz (at f
OSC
= 32.768kHz)
5) 20 direct drive inputs, which allow the application to
drive LCD directly without I
2
C control.
6) Minimum LCD drive time is guaranteed for direct in.
7) LCD device test ferminals.(LCDT0, LCDT1)
8)Power aupply voltages: 3.3V to 5.0V
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