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PDF LC75741 Data sheet ( Hoja de datos )
| Número de pieza | LC75741 | |
| Descripción | 1/2 Duty VFD Driver for Frequency Displays | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LC75741 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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Ordering number : EN*4965
CMOS LSI
LC75741E, 75741W
1/2 Duty VFD Driver for Frequency Displays
Preliminary
Overview
The LC75741E and LC75741W are 1/2 duty VFD drivers
for use in electronic tuning frequency displays controlled
by a microcontroller. These products can directly drive
VFD displays with up to 106 segments.
Functions and Features
• 106 segment outputs
• Noise reduction circuit built into the output drivers.
• Display and dimmer data communication with the
controller using the CCB* format.
• High generality, since display data is displayed directly
without decoder intervention
• All segments can be turned off with the BLK pins.
• Package: QFP64E (LC75741E)
SQFP64 (LC75741W)
Note: * CCB is Sanyo’s original bus format with
address management for all Sanyo products.
Package Dimensions
unit: mm
3159-QFP64E
[LC75741E]
unit: mm
3190-SQFP64
[LC75741W]
SANYO: QIP64E
SANYO: SQFP64
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
52595TH (OT) No. 4965-1/10
1 page  
Serial Data Transfer Format
1. When CL is stopped at the low level
LC75741E, 75741W
2. When CL is stopped at the high level
Figure 2
CCB address: Transfer 00100001B as shown in Figure 2.
DM0 to DM9: Dimmer data
This data controls the duty of the G1 and G2 digit output pins, and consists of 10 bits with DM0 being
the LSB. Note that the intensity of the display can be adjusted by controlling the duty of the G1 and
G2 digit output pins.
SD1 to SD53: Display data for the G1 digit output pin.
SDn (n = 1 to 53) = 1: On
SDn (n = 1 to 53) = 0: Off
SD54 to SD106: Display data for the G2 digit output pin.
SDn (n = 54 to 106) = 1: On
SDn (n = 54 to 106) = 0: Off
No. 4965-5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet LC75741.PDF ] | |
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