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PCF8553DTT/A датащи(PDF) 19 Page - NXP Semiconductors

номер детали PCF8553DTT/A
подробное описание детали  40 횞 4 LCD segment driver
PDF  51 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8553DTT/A датащи(HTML) 19 Page - NXP Semiconductors

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NXP Semiconductors
PCF8553
40 × 4 LCD segment driver
aaa-011868
state 1
COM0
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
LCD segments
state 2
COM1
state 2
state 1
VSS
VLCD
VLCD/2
VSS
VSS
VLCD
VLCD
VSS
VLCD
VLCD
VLCD
0 V
0 V
VLCD/2
VLCD/2
VLCD/2
- VLCD
- VLCD/2
- VLCD/2
SEGn
SEGn+1
Tfr
- VLCD
Vstate1(t) = VSEGn(t) - VCOM0(t).
Von(RMS) = 0.791VLCD.
Vstate2(t) = VSEGn(t) - VCOM1(t).
Voff(RMS) = 0.354VLCD.
Figure 11. Waveforms for the 1:2 multiplex drive mode with 12 bias
PCF8553
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 4 — 20 April 2021
19 / 51



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