ICM7245AIM44Z 查看數據表（PDF） - Intersil

零件编号

产品描述 (功能)

生产厂家

ICM7245AIM44Z

8-Character, 16-Segment, Microprocessor Compatible, LED Display Decoder Driver

Intersil 

Typical Applications (Continued)

8-CHARACTER LED DISPLAY

ICM7245

8-CHARACTER LED DISPLAY

8-CHARACTER LED DISPLAY

8

17

8

17

8

17

CLR

+3.3V

+3.3V

DATA

BUS 6

WR

CS,

(WR)

CLR

SEN

MODE

WR

D0 - D5

CHAR

SEG

DISP FULL

VDD

VSS

CS

+3.3V

+3.3V

6

CLR

SEN

MODE

WR

D0 - D5

CHAR

SEG

DISP FULL

VDD

VSS

CS

+3.3V

+3.3V

6

CLR

SEN

MODE

WR

D0 - D5

CHAR

SEG

DISP FULL

VDD

VSS

CS

FIRST 8 CHARACTERS

SECOND 8 CHARACTERS

NTH 8 CHARACTERS

FIGURE 6. MULTICHARACTER DISPLAY USING SEQUENTIAL ACCESS MODE

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

+3.3V

136Ω

SEG

1mA

ICM7245

2N2219

14Ω (100mAPEAK)

136Ω

1k

1.4APEAK

2N6034

SEG

300Ω

1k

ICM7245

CHAR

rON = 6Ω

14mA

2N6034

1.4APEAK

rON = 6Ω

CHAR

25Ω

(100mAPEAK)

2N2219

1k

GND

GND

GND

GND

GND

FIGURE 7A. COMMON CATHODE DISPLAY

FIGURE 7B. COMMON ANODE DISPLAY

FIGURE 7. DRIVING LARGE DISPLAYS

9

FN8587.0

October 29, 2013

Share Link: