Philips Semiconductors Linear Products

Product specification

NE587

LED decoder/driver

August 31, 1994

537

Figure 6. 4-Digit Display with Brightness Control and Leading-Edge Ripple Blanking

VS

VCC

D3

D2

D1

D0

A0

A1

LE

BRIGHTNESS CONTROL

NE587

DIGIT

DECODE

NE587

NE587

NE587

Figure 7. Interfacing 8-Digit LED Display with

µP Bus

NE587

VCC

D0

NE591

ADDRESS

DECODE

DATA BUS

ADDRESS BUS

a

b

c

d

e

f

g

D1

D2

D3

D4

D5

D6

D7

RP

.01

µF