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PDF LC75842E Data sheet ( Hoja de datos )
| Número de pieza | LC75842E | |
| Descripción | General-Purpose 1/2 Duty LCD Display Driver | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : EN4966A
CMOS LSI
LC75842E
General-Purpose 1/2 Duty LCD Display Driver
Overview
The LC75842E is a 1/2 duty general-purpose LCD display
driver for applications such as microprocessor-controlled
electronic tuning. It can drive up to 54 segments directly.
Features
• 1/2 duty, 1/2 bias drive of up to 54 segments
• Serial data input supports CCB* format communication
with the system controller.
• Backup function which is based on a power saving
mode and all segments off functions that are controlled
by serial data.
• High generality, since display data is displayed directly
without decoder intervention.
• The display can be forced to the off state with the INH
pin.
• RC oscillator circuit
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
Package Dimensions
unit: mm
3162B-QFP36
[LC75842E]
SANYO: QFP36
Specifications
Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V
Parameter
Maximum supply voltage
Input voltage
Output voltage
Output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VDD max
VIN1
VIN2
VOUT
IOUT1
IOUT2
Pd max
Topr
Tstg
Conditions
VDD
CE, CL, DI, INH
OSC
OSC, S1 to S27, COM1, COM2
S1 to S27
COM1, COM2
Ta = 85°C
Ratings
–0.3 to +6.5
–0.3 to +6.5
–0.3 to VDD + 0.3
–0.3 to VDD + 0.3
100
1
100
–40 to +85
–55 to +125
Unit
V
V
V
V
µA
mA
mW
°C
°C
Allowable Operating Ranges at Ta = –40 to +85°C, VSS = 0 V
Parameter
Symbol
Conditions
Ratings
min typ max
Supply voltage
Input high level voltage
Input low level voltage
Recommended external resistance
Recommended external capacitance
Guaranteed oscillator range
VDD
VIH
VIL
ROSC
COSC
fOSC
VDD*
CE, CL, DI, INH
CE, CL, DI, INH
OSC
OSC
OSC
4.0
0.8 VDD
0
25
5.0 6.0
6.0
0.2 VDD
68
680
50 100
Note: * Please contact your Sanyo sales representative if you need to operate the LC75842E at a power supply voltage VDD of 3.0 V (min.).
Unit
V
V
V
kΩ
pF
kHz
Continued on next page.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
41096HA (OT)/61595HA (OT) No. 4966-1/9
1 page  
2. When CL is stopped at the high level
LC75842E
Figure 2
• CCB address......44H
• D1 to D54..........Display data
Dn (n = 1 to 54) = 1: Segment on
Dn (n = 1 to 54) = 0: Segment off
• BU .....................Control data for specifying normal mode or power saving mode
• SC......................Control data for specifying all segments on or off
Serial Data Transfer Example
When 29 or more segments are used all 80 bits of the serial data must be sent.
When fewer than 29 segments are used only the first 40 bits of the serial data can be sent. However, all 80 bits must be
sent after power is first applied.
Note: The following type of transfer cannot be used when fewer than 29 segments are used.
No. 4966-5/9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet LC75842E.PDF ] | |
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