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PCF8566

Features: · Single-chip LCD controller/driver· Selectable backplane drive configuration: static or 2, 3 or 4 backplane multiplexing· Selectable display bias configuration: static, 1/2 or 1/3· Internal LCD bias generation with voltage-follower buffers· 24 segment drives: up to twelve 8-segment nume...

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SeekIC No. : 004456453 Detail

PCF8566: Features: · Single-chip LCD controller/driver· Selectable backplane drive configuration: static or 2, 3 or 4 backplane multiplexing· Selectable display bias configuration: static, 1/2 or 1/3· Intern...

PCF8566 Data Sheet

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Part Number:
PCF8566
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Single-chip LCD controller/driver
· Selectable backplane drive configuration: static or 2, 3 or 4 backplane multiplexing
· Selectable display bias configuration: static, 1/2 or 1/3
· Internal LCD bias generation with voltage-follower buffers
· 24 segment drives: up to twelve 8-segment numeric characters; up to six 15-segment alphanumeric characters; or any graphics of up to 96 elements
· 24 ´ 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
· 2.5 to 6 V power supply range
· 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 1536 segments possible)
· Cascadable with the 40 segment LCD driver PCF8576C
· Optimized pinning for single plane wiring in both single and multiple PCF8566 applications
· Space-saving 40 lead plastic very small outline package (VSO40; SOT158-1)
· No external components required (even in multiple device applications)
· Manufactured in silicon gate CMOS process.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER MIN. MAX. UNIT
VDD supply voltage -0.5 +7 V
VLCD LCD supply voltage VDD - 7 VDD V
V1 output voltage T2 and SDA VSS - 0.5 VDD + 0.5 V
Vo output voltage R1 to R40 and C1 to C101 VLCD - 0.5 VDD + 0.5 V
II DC input current - ±20 mA
IO DC output current - ±25 mA
IDD, ISS, ILCD VDD, VSS or VLCD current - ±50 mA
Ptot total power dissipation - 400 mW
PO power dissipation per output - 100 mW
Tstg storage temperature -65 +150



Description

The PCF8566 is a peripheral device which interfaces to almost any Liquid Crystal Display (LCD) having low multiplex rates.PCF8566 generates the drive signals for any static or multiplexed LCD containing up to four backplanes and up to 24 segments and can easily be cascaded for larger LCD applications. The PCF8566 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).




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