pcf2111.pdf

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LCD drivers

INTEGRATED CIRCUITS

DATA SHEET

PCF21xxC family

LCD drivers

Product speciﬁcation

Supersedes data of 1995 May 03

File under Integrated Circuits, IC12

1997 Mar 28

199641204.051.png

Philips Semiconductors

Product speciﬁcation

LCD drivers

PCF21xxC family

CONTENTS

1

FEATURES

2

GENERAL DESCRIPTION

3

QUICK REFERENCE DATA

4

ORDERING INFORMATION

5

BLOCK DIAGRAMS

6

PINNING

6.1

PCF2100C

6.2

PCF2111C

6.3

PCF2112C

7

FUNCTIONAL DESCRIPTION

7.1

PCF2100C

7.2

PCF2111C

7.3

PCF2112C

7.4

Bus control logic

7.5

Timing

7.6

Input circuitry

7.7

Expansion

8

LIMITING VALUES

9

HANDLING

10

DC CHARACTERISTICS

11

AC CHARACTERISTICS

12

PACKAGE OUTLINES

13

SOLDERING

13.1

Plastic dual in-line packages

13.1.1

By dip or wave

13.1.2

Repairing soldered joints

13.2

Plastic small outline packages

13.2.1

By wave

13.2.2

By solder paste reflow

13.2.3

Repairing soldered joints (by hand-held

soldering iron or pulse-heated solder tool)

14

DEFINITIONS

15

LIFE SUPPORT APPLICATIONS

1997 Mar 28

2

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Philips Semiconductors

Product speciﬁcation

LCD drivers

PCF21xxC family

1 FEATURES

2 GENERAL DESCRIPTION

·

Supply voltage 2.25 to 6.0 V

The PCF21xxC family are single-chip, silicon gate CMOS

LCD driver circuits. A 3-line bus (CBUS) structure enables

serial data transfer with microcontrollers. All inputs are

CMOS/NMOS compatible.

·

Low current consumption

·

Serial data input

·

CBUS control

The devices have the same function and performance as

those of the PCF21xx family, which they supersede.

The maximum operating voltage required is reduced from

6.5 to 6.0 V.

·

One-point built-in oscillator

·

Stand-alone or expanded system

·

Power-on reset clear

·

LCD segments

– 40 (PCF2100C)

– 64 (PCF2111C)

– 32 (PCF2112C)

·

Multiplex rate

– 1 : 2 (PCF2100C)

– 1 : 2 (PCF2111C)

– 1 : 1 (PCF2112C)

·

Word length

– 22 bits (PCF2100C)

– 34 bits (PCF2111C)

– 34 bits (PCF2112C).

3 QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX. UNIT

V DD

supply voltage

2.25

-

6.0

V

I DD1

supply current 1

outputs open; CBUS inactive

-

20

50

m A

I DD2

supply current 2

outputs open; CBUS inactive;

T amb =25

-

20

30

m

A

C

P O

power dissipation per output

-

-

100

mW

T amb

operating ambient temperature

- 40

-

+85

° C

T stg

storage temperature

-

65

-

+150

°

C

4 ORDERING INFORMATION

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

PCF2100CP

DIP28

plastic dual in-line package; 28 leads (600 mil)

SOT117-1

PCF2100CT

SO28

plastic small outline package; 28 leads; body width 7.5 mm

SOT136-1

PCF2111CP

DIP40

plastic dual in-line package; 40 leads (600 mil)

SOT129-1

PCF2111CT

VSO40

plastic very small outline package; 40 leads

SOT158-1

PCF2112CP

DIP40

plastic dual in-line package; 40 leads (600 mil)

SOT129-1

PCF2112CT

VSO40

plastic very small outline package; 40 leads

SOT158-1

1997 Mar 28

3

°

199641204.073.png

Philips Semiconductors

Product speciﬁcation

LCD drivers

PCF21xxC family

5 BLOCK DIAGRAMS

handbook, full pagewidth

40-SEGMENT LCD

BP1

BP2

S1 to S20

24 to 5

26

25

BACKPLANE AND SEGMENT DRIVERS

ANALOG

VOLTAGE

V DD

2

28

1

27

A

C O

680

pF

DLEN

CLB

DATA

BUS

CONTROL

LATCHES

AND

DRIVER CONTROL

OSCILLATOR

AND

DIVIDER

3

B

OSC

R O

1 M W

SHIFT

REGISTER

PCF2100C

4

V SS

MLD286

Fig.1 Block diagram; PCF2100C.

handbook, full pagewidth

64-SEGMENT LCD

BP1

BP2

S1 to S32

36 to 5

38

37

BACKPLANE AND SEGMENT DRIVERS

ANALOG

VOLTAGE

V DD

2

40

1

39

A

C O

680

pF

DLEN

CLB

DATA

BUS

CONTROL

LATCHES

AND

DRIVER CONTROL

OSCILLATOR

AND

DIVIDER

3

B

OSC

R O

1 M W

SHIFT

REGISTER

PCF2111C

4

V SS

MLD285

Fig.2 Block diagram; PCF2111C.

1997 Mar 28

4

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Philips Semiconductors

Product speciﬁcation

LCD drivers

PCF21xxC family

handbook, full pagewidth

32-SEGMENT LCD

BP

38

S1 to S32

36 to 5

BACKPLANE AND SEGMENT DRIVERS

ANALOG

VOLTAGE

V DD

2

DLEN

CLB

DATA

40

1

39

BUS

CONTROL

LATCHES

AND

DRIVER CONTROL

OSCILLATOR

AND

DIVIDER

3

C O

1.5

nF

OSC

R O

1 M

W

SHIFT

REGISTER

PCF2112C

4

V SS

MLD287

Fig.3 Block diagram; PCF2112C.

1997 Mar 28

5

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