PCF85176T/1,118 NXP Semiconductors, PCF85176T/1,118 Datasheet - Page 10

• Manufacturer Part Number: PCF85176T/1,118
• Description: IC LCD DISPLAY DVR 40SEG 56TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCF85176T/1,118

• Package / Case: 56-TFSOP (0.240", 6.10mm Width)
• Display Type: LCD
• Configuration: 40 Segment
• Interface: I²C
• Current - Supply: 20µA
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Number Of Digits: 20
• Number Of Segments: 40
• Maximum Clock Frequency: 2640 Hz
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 95 C
• Attached Touch Screen: No
• Maximum Supply Current: 20 uA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Digits Or Characters: -
• Lead Free Status / Rohs Status: Details
• Other names: 568-5933-2; PCF85176T/1,118

NXP Semiconductors
PCF85176_1
Product data sheet
7.4.2 1:2 Multiplex drive mode
When two backplanes are provided in the LCD, the 1:2 multiplex mode applies. The
PCF85176 allows the use of
Figure
Fig 6.
7.
V
V
V
V
Waveforms for the 1:2 multiplex drive mode with
state1
on(RMS)
state2
off(RMS)
state 1
state 2
Sn+1
(t) = V
(t) = V
BP0
BP1
All information provided in this document is subject to legal disclaimers.
Sn
= 0.791V
= 0.354V
Sn
Sn
(t) − V
(t) − V
V
V
V
V
V
V
V
V
V
V
V
V
− V
− V
V
V
− V
− V
0 V
0 V
Rev. 01 — 14 April 2010
LCD
LCD
SS
LCD
LCD
SS
LCD
SS
LCD
SS
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
BP0
BP1
/2
/2
/2
/2
.
.
/2
/2
(t).
(t).
1
⁄
2
bias or
1
⁄
3
(a) Waveforms at driver.
(b) Resultant waveforms
bias in this mode as shown in
Universal LCD driver for low multiplex rates
at LCD segment.
T
fr
1
⁄
2
bias
013aaa208
state 1
state 2
LCD segments
PCF85176
© NXP B.V. 2010. All rights reserved.
Figure 6
and
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