Rainbow-electronics MAX6959 Manuale Utente Scaricare il pdf (Pagina 18)

MAX6958/MAX6959

2-Wire Interfaced, 3V to 5.5V, 4-Digit,

9-Segment LED Display Drivers with Keyscan

18 ______________________________________________________________________________________

V+

DIG0–DIG3

SEG0–SEG9

SDA

SCL

INPUT1

µC

SDA

SCL

INPUT2

GND

9 99 9

Key0

DIG0/SEG0

Key1

DIG1/SEG1

Key2

DIG2/SEG2

Key3

DIG3/SEG3

Key4

DIG0/SEG0

Key5

DIG1/SEG1

Key6

DIG2/SEG2

Key7

DIG3/SEG3

MAX6959

0.1µF

39kΩ39kΩ

Typical Application Circuit

SDA

V+

SEG8

SEG7

SEG6

SEG5

SEG4

(INPUT2)/N.C.

(INPUT1)/N.C.

TOP VIEW

MAX6958/

MAX6959

QSOP/DIP

SCL

(IRQ/SEG9) SEG9

DIG2/SEG2

DIG0/SEG0

DIG1/SEG1

DIG3/SEG3

GND

( ) MAX6959 ONLY

Pin Configuration

1 2 ... 13 14 15 16 17 18 19

MAX6958/MAX6959 1

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Rainbow-electronics MAX6959 Manuale Utente Pagina 18

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