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PCF8576, PCF85760H, PCF8576CH

Table of contents:
Info of PCF8576
Info of PCF85760H
Info of PCF8576CH

PCF8576, PCF85760H, PCF8576CH Selling Leads, Datasheet

MFG:PHI Package Cooled:SOP D/C:.

PCF8576, PCF85760H, PCF8576CH Datasheet download

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Part Number: PCF8576

MFG: PHI

Package Cooled: SOP

D/C: .

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PCF8576 General Description

The PCF8576 is a peripheral device which interfaces to almost any Liquid Crystal Display (LCD) with low multiplex rates. It generates the drive signals for any static or multiplexed LCD containing up to four backplanes and up to 40 segments and can easily be cascaded for larger LCD applications. The PCF8576 is compatible with most microprocessors/microcontrollers and communicates via a two-line bidirectional I2C-bus. Communication overheads are minimized by a display RAM with auto-incremented addressing, by hardware subaddressing and by display memory switching (static and duplex drive modes).

PCF8576 Maximum Ratings

SYMBOL	PARAMETER	MIN.	MAX.	UNIT
V_DD	supply voltage	-0.5	+11.0	V
V_LCD	LCD supply voltage	VDD - 11.0	VDD	V
V_I	input voltage SDA, SCL, CLK, SYNC, SA0, OSC, A0 to A2	VSS - 0.5	VDD + 0.5	V
V_O	output voltage S0 to S39, BP0 to BP3	VLCD - 0.5	VDD + 0.5	V
I_I	DC input current	-	20	mA
I_O	DC output current	-	25	mA
I_DD, I_SS, I_LCD	VDD, VSS or VLCD current	-	50	mA
P_tot	total power dissipation	-	400	mW
P_O	power dissipation per output	-	100	mW
T_stg	storage temperature	-65	+150

PCF8576 Features

· Single-chip LCD controller/driver
· Selectable backplane drive configuration: static or 2/3/4 backplane multiplexing
· Selectable display bias configuration: static, 1/2 or 1/3
· Internal LCD bias generation with voltage-follower buffers
· 40 segment drives: up to twenty 8-segment numeric characters; up to ten 15-segment alphanumeric characters; or any graphics of up to 160 elements
· 40 ´ 4-bit RAM for display data storage
· Auto-incremented display data loading across device subaddress boundaries
· Display memory bank switching in static and duplex drive modes
· Versatile blinking modes
· LCD and logic supplies may be separated
· Wide power supply range: from 2 V for low-threshold LCDs and up to 9 V for guest-host LCDs and high-threshold (automobile) twisted nematic LCDs
· Low power consumption
· Power-saving mode for extremely low power consumption in battery-operated and telephone applications
· I2C-bus interface
· TTL/CMOS compatible
· Compatible with any 4-bit, 8-bit or 16-bit microprocessors/microcontrollers
· May be cascaded for large LCD applications (up to 2560 segments possible)
· Cascadable with 24-segment LCD driver PCF8566
· Optimized pinning for plane wiring in both single and multiple PCF8576 applications
· Space-saving 56-lead plastic very small outline package (VSO56)
· Very low external component count (at most one resistor, even in multiple device applications)
· Compatible with chip-on-glass technology
· Manufactured in silicon gate CMOS process.

PCF8576 Connection Diagram

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