MC141519 Ver la hoja de datos (PDF) - Motorola => Freescale

Número de pieza

componentes Descripción

Fabricante

MC141519

LCD Segment Driver

Motorola => Freescale 

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

LCD Segment Driver

CMOS

The MC141519 is an LCD segment driver chip which consists of

160x80 static RAM for display storage and provides 160 high voltage

LCD driving signals.

It is a companion chip of MC141512T Backplane driver for medium

LCD panels. All these chips are controlled by the MC68HC05L11 micro-

computer.

• Operating Supply Voltage Range-

Control Logic, RAM and Latch (VDD Pin): 2.7 to 5.5V

Segment drivers (VLCD Pin): 8.0 to 20V

• Operating Temperature Range: -20 to 80˚C

• Direct serial data interface with the MC68HC05L11

• 160 x 80 Static RAM (Display RAM)

• 160 LCD Segment Driving Signals

• Selectable 1:16 to 1:80 Multiplex Ratios

• Expansion to higher driver count by cascade

• Available in TAB Form:

TAB (Tape Automated Bonding), 186 contacts

BLOCK DIAGRAM

SEG0

MC141519

MC141519T

TAB

ORDERING INFORMATION

MC141519T TAB

SEG159

V<1>

V<3>

V<4>

DOFF

BPCLK

FRM

M

7

D0-D6

TST

RAA

CR1

CR2

P02

BS

3

VOLTAGES

SELECTOR

TIMING

LOGIC

8

CONTROL

LOGIC

HIGH VOLTAGE DRIVERS ARRAY

DISPLAY DATA LATCH ARRAY

ROW

SELECT

STATIC

RAM MATRIX

80 ROWS x 160 BITS

VDD

VSS

SD1

160-BIT SHIFT REGISTER

SD2

SHCLK

DDIR

MC141519

3–96

MOTOROLA

Share Link: