pcf8534a NXP Semiconductors, pcf8534a Datasheet - Page 10
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pcf8534a
Manufacturer Part Number
pcf8534a
Description
Universal Lcd Driver For Low Multiplex Rates
Manufacturer
NXP Semiconductors
Datasheet
1.PCF8534A.pdf
(44 pages)
Available stocks
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Quantity
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Part Number:
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Part Number:
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Manufacturer:
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Manufacturer:
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Part Number:
pcf8534aU/DA/1
Manufacturer:
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Quantity:
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NXP Semiconductors
PCF8534A_3
Product data sheet
Fig 7.
V
V
V
V
Waveforms for the 1:2 multiplex drive mode with
state1
on(RMS)
state2
off(RMS)
S n+1
state 1
state 2
BP0
BP1
S n
(t) = V
(t) = V
= 0.745V
= 0.333V
Sn
Sn
Rev. 03 — 10 November 2008
(t)
(t)
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
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
V
V
/ 3
BP0
BP1
/ 3
/ 3
/ 3
/ 3
/ 3
.
.
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
(t).
(t).
(a) Waveforms at driver.
(b) Resultant waveforms
Universal LCD driver for low multiplex rates
at LCD segment.
T
fr
1
3
bias
mgl747
state 1
state 2
LCD segments
PCF8534A
© NXP B.V. 2008. All rights reserved.
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