PCF85134HL/1,118 NXP Semiconductors, PCF85134HL/1,118 Datasheet - Page 12

• Manufacturer Part Number: PCF85134HL/1,118
• Description: IC LCD DISPLAY DRVR 60SEG 80LQFP
• Manufacturer: NXP Semiconductors

Specifications of PCF85134HL/1,118

• Package / Case: 80-LQFP
• Display Type: LCD
• Configuration: 60 Segment
• Interface: I²C
• Digits Or Characters: Any Digit Type
• Current - Supply: 8µA
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Number Of Digits: 30
• Number Of Segments: 240
• Maximum Clock Frequency: 400 KHz
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 85 C
• Maximum Supply Current: 50 mA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-5060-2

NXP Semiconductors
PCF85134_1
Product data sheet
7.4.3 1:3 Multiplex drive mode
When three backplanes are provided in the LCD, the 1:3 multiplex drive mode applies, as
shown in
Fig 7.
state 1
state 2
Sn+1
Sn+2
Figure
V
V
V
V
Waveforms for the 1:3 multiplex drive mode with
BP2
BP0
BP1
state1
on(RMS)
state2
off(RMS)
Sn
(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
2V
V
7.
0 V
0 V
= 0.638V
= 0.333V
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
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
Sn
Sn
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
Rev. 01 — 17 December 2009
(t)
(t)
/3
/3
LCD
LCD
V
V
BP0
BP1
.
.
(t).
(t).
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
Universal LCD driver for low multiplex rates
T
fr
1
3
bias
state 1
state 2
013aaa210
LCD segments
PCF85134
© NXP B.V. 2009. All rights reserved.
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