PCF8566P,112 NXP Semiconductors, PCF8566P,112 Datasheet - Page 14

• Manufacturer Part Number: PCF8566P,112
• Description: IC LCD DVR UNVRSL LOW-MUX 40-DIP
• Manufacturer: NXP Semiconductors

Specifications of PCF8566P,112

• Package / Case: 40-DIP (0.600", 15.24mm)
• Display Type: LCD
• Configuration: 7 Segment + DP, 14 Segment (24 Segment)
• Interface: I²C
• Current - Supply: 30µA
• Voltage - Supply: 2.5 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Number Of Digits: 12
• Number Of Segments: 96
• Maximum Clock Frequency: 315 KHz
• Operating Supply Voltage: 2.5 V to 6 V
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 85 C
• Maximum Supply Current: 90 uA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Digits Or Characters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-1069-5; 933865310112; PCF8566PN

NXP Semiconductors
PCF8566_7
Product data sheet
7.4.4 1:4 multiplex drive mode
When four backplanes are provided in the LCD, the 1:4 multiplex drive mode applies, as
shown in
Fig 9.
Sn+1
Sn+2
Sn+3
state 1
state 2
BP2
BP0
BP1
BP3
Sn
Figure
V
V
V
V
Waveforms for the 1:4 multiplex mode with
state1
on(RMS)
state2
off(RMS)
(t) = V
(t) = V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
2V
V
0 V
0 V
V
2V
V
V
2V
V
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
9.
= 0.577V
= 0.333V
LCD
LCD
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
Sn
Sn
/ 3
/ 3
(t)
(t)
Rev. 07 — 25 February 2009
LCD
LCD.
V
V
BP0
BP1
.
(t).
(t).
(b) Resultant waveforms
(a) Waveforms at driver.
at LCD segment.
Universal LCD driver for low multiplex rates
T
fr
1
3
bias
state 1
state 2
mgl749
PCF8566
© NXP B.V. 2009. All rights reserved.
LCD segments
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