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PCF8576CU/2 Datasheet(PDF) 10 Page - NXP Semiconductors

Part # PCF8576CU/2
Description  Universal LCD driver for low multiplex rates
PDF  44 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF8576CU/2 Datasheet(HTML) 10 Page - NXP Semiconductors

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1998 Jul 30
10
Philips Semiconductors
Product specification
Universal LCD driver for low multiplex
rates
PCF8576C
6.4
LCD drive mode waveforms
6.4.1
STATIC DRIVE MODE
The static LCD drive mode is used when a single backplane is provided in the LCD. Backplane and segment drive
waveforms for this mode are shown in Fig.5.
Fig.5 Static drive mode waveforms (Vop =VDD − VLCD).
V
state1 t
()
V
S
n
t
()
V
BP0 t
()
–
=
V
on(rms)
V
op
=
V
state2 t
()
V
S
n1
+
t
()
V
BP0 t
()
–
=
V
off(rms)
0V
=
MBE539
V DD
V LCD
V LCD
V DD
V LCD
V op
Vop
state 1
0
BP0
Sn
S n 1
V op
Vop
state 2
0
(a) waveforms at driver
(b) resultant waveforms
at LCD segment
LCD segments
state 1
(on)
state 2
(off)
Tframe
VDD



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