Digital Display of Clock/Receiving Frequency

for Radio Set Applications

Functions

.

Capable of selecting receiving frequency display/time

display.

.

Display of receiving frequency at each band of FM/MW/LW

Display element:

LED

Static/dynamic:

Static

Withstand voltage at output pin: 15 V

Maximum current:

18 mA

.

Number of display digits:

FM: 5 digits, MW, LW: 4 digits

.

Covers intermediate frequencies shown below.

FM:

+10.700, +10.725, +10.750, +10.675 MHz

–10.700, –10.725, –10.675, –10.650 MHz

MW, LW:

+450 kHz (1) : 10 kHz-step display

+450 kHz (2) : 1 kHz-step display

+455 kHz

: 1 kHz-step display

+469 kHz

: 1 kHz-step display

.

In FM reception applications, the LB3500 (

÷8 prescaler) is

used jointly.

.

Two selections of display system (12-hour system with PM

sign, 24-hour system).

.

Easy to set time by the time signal.

.

Inhibit pin for inhibiting time setting with display unlighted.

.

7.2 MHz crystal oscillator for reference frequency.

.

Package Dimensions

unit : mm

3025B-DIP42S

[LC7267]

SANYO : DIP42S

Ordering number: EN 1511B

CMOS IC

LC7267

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

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

63098HA (II) No.1511 - 1/10