PCF2111CT ,LCD driversINTEGRATED CIRCUITSDATA SHEETPCF21xxC familyLCD drivers1997 Mar 28Product specificationSupersedes da ..
PCF2112CP ,LCD driversINTEGRATED CIRCUITSDATA SHEETPCF21xxC familyLCD drivers1997 Mar 28Product specificationSupersedes da ..
PCF2112CT ,LCD driversLIMITING VALUES9 HANDLING10 DC CHARACTERISTICS11 AC CHARACTERISTICS12 PACKAGE OUTLINES13 SOLDERING1 ..
PCF2112CT ,LCD driversINTEGRATED CIRCUITSDATA SHEETPCF21xxC familyLCD drivers1997 Mar 28Product specificationSupersedes da ..
PCF2112CT ,LCD driversLIMITING VALUES9 HANDLING10 DC CHARACTERISTICS11 AC CHARACTERISTICS12 PACKAGE OUTLINES13 SOLDERING1 ..
PCF2112CT ,LCD driversFUNCTIONAL DESCRIPTION7.1 PCF2100C7.2 PCF2111C7.3 PCF2112C7.4 Bus control logic7.5 Timing7.6 Input ..
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PCF2111CT-PCF2112CT
LCD drivers
Philips Semiconductors Product specification
LCD drivers PCF21xxC family
CONTENTS FEATURES GENERAL DESCRIPTION QUICK REFERENCE DATA ORDERING INFORMATION BLOCK DIAGRAMS PINNING
6.1 PCF2100C
6.2 PCF2111C
6.3 PCF2112C 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 LIMITING VALUES HANDLING DC CHARACTERISTICS AC CHARACTERISTICS PACKAGE OUTLINES 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) DEFINITIONS LIFE SUPPORT APPLICATIONS
Philips Semiconductors Product specification
LCD drivers PCF21xxC family
FEATURES Supply voltage 2.25to 6.0V Low current consumption Serial data input CBUS control One-point built-in oscillator Stand-alone or expanded system Power-on reset clear LCD segments 40 (PCF2100C) 64 (PCF2111C) 32 (PCF2112C) Multiplex rate1: 2 (PCF2100C)1: 2 (PCF2111C)1: 1 (PCF2112C) Word length 22 bits (PCF2100C) 34 bits (PCF2111C) 34 bits (PCF2112C).
GENERAL DESCRIPTIONThe 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.
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
6.5to 6.0V.
QUICK REFERENCE DATA ORDERING INFORMATION
Philips Semiconductors Product specification
LCD drivers PCF21xxC family
BLOCK DIAGRAMS
Philips Semiconductors Product specification
LCD drivers PCF21xxC family
Philips Semiconductors Product specification
LCD drivers PCF21xxC family PINNING
6.1 PCF2100C
Philips Semiconductors Product specification
LCD drivers PCF21xxC family
6.2 PCF2111C
Philips Semiconductors Product specification
LCD drivers PCF21xxC family
6.3 PCF2112C
Philips Semiconductors Product specification
LCD drivers PCF21xxC family FUNCTIONAL DESCRIPTION
An LCD segment or LED output is activated when the
corresponding DATA bit is HIGH.
7.1 PCF2100C
When DATA bit 21 is HIGH, the A-latches (BP1) are
loaded. With DATA bit 21 LOW, the B-latches (BP2) are
loaded. CLB pulse 23 transfers data from the shift register
to the selected latches.
7.2 PCF2111C
When DATA bit 33 is HIGH, the A-latches (BP1) are
loaded. With DATA bit 33 LOW, the B-latches (BP2) are
loaded. CLB pulse 35 transfers data from the shift register
to the selected latches.
7.3 PCF2112C
When DATA bit 33 is HIGH, the latches are loaded.
CLB pulse 35 transfers data from the shift register to the
selected latches.
7.4 Bus control logic
The following tests are carried out by the bus control logic: Test on leading zero Test on number of DATA bits Test of disturbed DLEN and DATA signals during
transmission.
If one of the test conditions is not fulfilled, no action follows
the load condition (load pulse with DLEN LOW) and the
driver is ready to receive new data.
Philips Semiconductors Product specification
LCD drivers PCF21xxC family
7.5 Timing
Philips Semiconductors Product specification
LCD drivers PCF21xxC family
7.6 Input circuitry
7.7 Expansion
Philips Semiconductors Product specification
LCD drivers PCF21xxC family LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
Note Derate by 7.7 mW/K when Tamb >60 °C. HANDLING
Inputs and outputs are protected against electrostatic discharge in normal handling. However, to be totally safe, it is
desirable to take normal precautions appropriate to handling MOS devices. See “Handling MOS devices”.
ESD in accordance with “MIL STD 883C, Method 3015”.
