Ordering number : EN3586A

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

CMOS LSI

O2095HA (OT)/4032JN No. 3586-1/10

Overview

The LC7574NE and LC7574NW are 1/2 duty VFD

drivers that can be used for electronic tuning frequency

display and other applications under the control of a

controller. These products can directly drive VFDs with

up to 74 segments.

Features

• 74 segment outputs

• Noise reduction circuits are built into the output drivers.

• Serial

data

input

supports

CCB*

format

communications with the system controller.

• Switching between digital and analog dimmers under

serial data control

• High generality since display data is displayed without

the intervention of a decoder

• All segments can be turned off with the BLK pin

Package Dimensions

unit: mm

3156-QFP48E

SANYO: QFP48E

[LC7574NE]

unit: mm

3163A-SQFP48

SANYO: SQFP48

[LC7574NW]

• 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.

1/2 Duty VFD Driver for Frequency Display

LC7574NE, 7574NW