mic10941 Micrel Semiconductor, mic10941 Datasheet

mic10941

Manufacturer Part Number

mic10941

Description

V. F. Alphanumeric And Bargraph Display Controller

Manufacturer

Micrel Semiconductor

Datasheet

1.MIC10941.pdf (1 pages)

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MIC10941/10939

General Description

The MIC10941 and MIC10939 Alphanumeric and Bargraph

Display Controller is a two-chip MOS/LSI general purpose

display controller system designed to interface with bargraph

and segmented displays (vacuum fluorescent or LED).

The two-chip set will drive displays with up to 16 segments

(plus decimal point and comma tail) and up to 20 grids

(characters) plus a cursor. The chips can be cascaded to

drive larger displays of 80 characters. Segment decoding for

ASCII characters and bargraph patterns is accomplished

through an internal PLA.

Micrel has received the rights from Rockwell International to

manufacture and market this product and reproduce the

specifications, including references to Rockwell.

Block Diagram

* Contact Micrel for more information.

MIC10941

SEGMENT DRIVERS AND LATCHES

128

8-BIT SHIFT

INVERSION

LOGIC

18 PLA

20-CHARACTER 16-SEGMENT ALPHANUMERIC OR BARGRAPH DISPLAY

TAIL

PNT

DETECT

LEVEL

LOGIC

SG01-SG16

DETECT

LEVEL

LOGIC

8-24

DATA-LOAD

SCLK-DIS

Features

• 20-character display driver cascadable to 80 characters

• Direct drive capability for vacuum-fluorescent displays

• 128

• Serial or parallel data input for 8-bit display and control

• Brightness, refresh rate, and display mode controls

• Separate cursor driver output

• 40-pin DIP or 44-pin PLCC (MIC10939)

• 24-pin DIP package (MIC10941)

Ordering Information

Summary Information*—Not Recommended for New Designs

V. F. Alphanumeric and Bargraph Display Controller

Part Number

MIC10941P-50

MIC10941PE-50

MIC10939J-50

MIC10939P-50

MIC10939PE-50

characters (all caps only) and bargraph patterns

characters

18 PLA provides segment decoding for ASCII

CONTROL

MIC10941/10939

LOGIC

HOST

Temperature Range

CURSOR

GRID DRIVERS

–40 C to +85 C

0 C to +70 C

RAM

MIC10939

STR00–STR19

Package

24-pin P-DIP

44-pin PLCC

40-pin P-DIP

August 1998

Micrel

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