ICM7243 データシートの表示（PDF） - Renesas Electronics

部品番号

コンポーネント説明

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ICM7243

8-Character, Microprocessor-Compatible, LED Display Decoder Driver

Renesas Electronics 

ICM7243

Typical Applications (Continued)

8-CHARACTER LED DISPLAY

8-CHARACTER LED DISPLAY

8-CHARACTER LED DISPLAY

8

(Note)

8

(Note)

8

(Note)

CLR

CLR

CHAR

CLR

CHAR

CLR

CHAR

SEG

SEG

SEG

+5V

SEN

DISP FULL

SEN

DISP FULL

SEN

DISP FULL

+5V

MODE

+5V

MODE

+5V

MODE

WR

D0 - D5

CS

VDD

+5V

VSS

WR

D0 - D5

CS

VDD

+5V

VSS

WR

D0 - D5

CS

VDD

+5V

VSS

DATA

BUS 6

WR,

(CS)

CS,

(WR)

6

FIRST 8 CHARACTERS

6

SECOND 8 CHARACTERS

NTH 8 CHARACTERS

NOTE: 17 for ICM7243A, 15 for ICM7243B.

FIGURE 8. MULTICHARACTER DISPLAY USING SEQUENTIAL ACCESS MODE

+5V

+5V

100

SEG

1mA

ICM7243

2N2219

14 (100mAPEAK)

CHAR

RON = 4

GND

14mA

2N6034

1.4APEAK

GND

+5V

100

+5V

1k

+5V

1.4APEAK

2N6034

SEG

ICM7243

300

RON = 4

CHAR

1k

25

(100mAPEAK)

2N2219

GND

1k

GND

GND

FIGURE 9A. COMMON CATHODE DISPLAY

FIGURE 9B. COMMON ANODE DISPLAY

FIGURE 9. DRIVING LARGE DISPLAYS

FN3162 Rev 5.00

October 2, 2015

Page 11 of 17

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