MC14489B 查看數據表（PDF） - Motorola => Freescale

零件编号

产品描述 (功能)

生产厂家

MC14489B

Multy-Character LED Display/Lamp Driver

Motorola => Freescale 

a

b

MC14489B c

d

e

NC

f

NC

g

NC

h

BANK 1

BANK 2

BANK 3

BANK 4

BANK 5

3

CMOS

MCU/MPU

THESE LAMPS

INDEPENDENTLY

CONTROLLED WITH

BITS D0 TO D19

THESE LAMPS DEPENDENTLY

CONTROLLED WITH

BITS D20, D21, AND D22*

* If required, this group of lamps can be independently controlled. To accomplish independent control, only connect lamps to BANK 1 and

BANK 2 for output h (two lamps). Then, use bits D20, D21, and D22 for control of these two lamps.

Figure 17. 25–Lamp Application

MC14489B

18

MOTOROLA

Share Link: