PCF8579TD NXP Semiconductors, PCF8579TD Datasheet - Page 3

• Manufacturer Part Number: PCF8579TD
• Description: LCD Drivers LCD DRVR DOT MATRIX
• Manufacturer: NXP Semiconductors

Specifications of PCF8579TD

• Maximum Clock Frequency: 10 KHz
• Operating Supply Voltage: 2.5 V to 6 V
• Maximum Power Dissipation: 400 mW
• Package / Case: VSO-56
• Maximum Supply Current: 20 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PCF8579T/1,112

NXP Semiconductors
6. Block diagram
PCF8579_5
Product data sheet
Fig 1.
V
TEST
SDA
V
V
LCD
SCL
SS
DD
V
V
(1) Operates at LCD voltage levels, all other blocks operate at logic levels.
A3
A2
A1
A0
3
4
Block diagram
POWER-ON
RESET
n.c.
FILTERS
INPUT
SUBADDRESS
COUNTER
CONTROLLER
I
2
C-BUS
SA0
AND SENSING
Y DECODER
AMPLIFIERS
Rev. 05 — 11 May 2009
RAM DATA POINTER
Y
COMMAND
LCD column driver for dot matrix graphic displays
DECODER
DISPLAY RAM
CONTROLLER
COLUMN
X DECODER
DRIVERS
32
OUTPUT
C39 - C0
X
40 BIT
(1)
DECODER
DISPLAY
PCF8579
GENERATOR
TIMING
PCF8579
© NXP B.V. 2009. All rights reserved.
msa919
SYNC
CLK
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