7217 Ver la hoja de datos (PDF) - Intersil

Número de pieza

componentes Descripción

Fabricante

7217

4-Digit LED Display, Programmable Up/Down Counter

Intersil 

ICM7217

COMMON-ANODE

LED DISPLAY

COUNT INPUT

CARRY OUT

BCD OUTPUTS

HIGH ORDER DIGITS

1

4 4-7

25 - 28

24

20

ICM7217

4 DIGITS CARRY/BORROW

D1

BCD OUTPUTS

HIGH ORDER DIGITS

V+

7 SEGMENTS

4

V+ UP/DOWN

N.O.

RESET

8

9

15 - 19

10

21, 22

14

HIGH ORDER

1A

1B 1/4

CD4011

V+

50kΩ

3kΩ

D

1/2

CD4013

Q

CL

4 DIGITS 7 SEGMENTS

1

4-7

25 - 28

24

V+

20

ICM7217

23

8

9

15 - 19

10

21, 22

14

LOW ORDER

50kΩ

NPN

TRANSISTOR

FIGURE 22. 8-DIGIT UP/DOWN COUNTER

18

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