Applications:

Car Radio Applications: FM/AM Receiving Frequency Display and Clock Display Home Radio Applications: FM/AM Receiving Frequency Display and Clock Display Car Clock Applications: Hours–Minutes, Month–Date/Stopwatch Display

Functions:

FM Receiving Frequency Display (4 Digits)

AM Receiving Frequency Display (4 Digits)

Month–Date or Stopwatch Display (Either of these Selectable)

Features:

Single–Chip CMOS LSI for Static Display System

Capable of Direct Driving Green LED (Drive Capacity 15mA)

Capable of Selecting Frequency Display/Time Display

Use FM/AM Local Oscillation Signal of Varactor Diode, Variable Capacitor, or µ Tuning System to Digitally Display FM/AM Receiving Frequency

Covers 4 AM Intermediate Frequencies: +262.5, +452.5, +455, +470kHz

Covers 2 FM Intermediate Frequencies: +10.7, –10.7MHz

Capable of Fine–Adjusting AM/FM Display Frequency Error Independently

        • A variable Resistor can be used to Correct AM IF Error within ±2.8kHz

        • A variable Resistor can be used to Correct FM IF Error within ±140kHz

Two Selections of Display System (12–Hour System with PM Sign which is Displayed During Setting Only, 24–Hour System)

Programmed on Long Months (31 Days)/Short Months (30 Days). Date in February is Programmed to Count up to the 29th

Easy to Set Time by th Time Signal

Stopwatch Capable of Counting/Displaying 1 Second to 12 Hours, 59 Minutes, 59 Seconds

Inhibit Pin for Inhibiting Time Setting with Display Unlighted

4MHz Crystal for Reference Frequency