PCF8553 datasheet(2/51 Pages) NXP

2 / 51 page

NXP Semiconductors

PCF8553

40 × 4 LCD segment driver

4 Ordering information

Package

Product type Number Topside mark

Name

Description

Version

PCF8553DTT/A

PCF8553D

TSSOP56

plastic thin shrink small outline

package; 56 leads; body width 6.1 mm

SOT364-1

Table 1. Ordering Information

4.1 Ordering options

Product type

Number

Orderable part

number

Package

Packing method

Minimum order

quantity

Temperature

PCF8553DTT/A

PCF8553DTT/AJ

TSSOP56

Reel 13” Q1 ndp

2000

Tamb = -40 °C to

+85 °C

Table 2. Ordering options

5 Block diagram

SCL

A0 A1

IFS

PORE

RST

CLK

VSS

VLCD

PCF8553

LCD bias

generator

LCD

voltage

selection

Clock

select

Power-On

Reset

IBIAS/

VREF

Timer

Sync

Prescaler

Oscillator

Reset

control

Interface

select

Input

filters

Vlow

Vhigh

Backplane

outputs

Segment

outputs

Blink control

Display controller

Instruction

Display

Address

decoder

Internal Bus

I2C-bus

controller

SPI-bus

controller

VDD

SDA/CE

SDIO

COM0 to COM3 SEG0 to SEG39

aaa-011472

Figure 1. Block diagram of PCF8553

PCF8553

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 4 — 20 April 2021

2 / 51

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