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PCF8545ATTAY датащи(PDF) 48 Page - NXP Semiconductors

номер детали PCF8545ATTAY
подробное описание детали  Universal LCD driver for multiplex rates up to 1:8
PDF  68 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8545ATTAY датащи(HTML) 48 Page - NXP Semiconductors

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NXP Semiconductors
PCF8545
Universal LCD driver for multiplex rates up to 1:8
VDD (V)
1
7
5
3
013aaa501
5
10
15
fclk
(kHz)
0
(1)
(2)
(3)
1. -40 °C.
2. 25 °C.
3. 85 °C.
Figure 40. Typical clock frequency with respect to VDD and temperature
013aaa474
OSCCLK
tclk(H)
tclk(L)
1/fclk(ext)
0.7VDD
0.3VDD
External clock source used on pin OSCCLK.
Figure 41. Driver timing waveforms
013aaa475
RESET
tRESET(L)
0.3VDD
Figure 42. RESET timing
VDD = 1.8 V to 5.5 V; VSS = 0 V; Tamb = -40 °C to +85 °C; unless otherwise specified. All timing values are valid within the
operating supply voltage and temperature range and referenced to VIL and VIH with an input voltage swing of VSS to VDD.
Timing waveforms see Figure 43.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Pin SCL
fSCL
SCL clock frequency
[1] -
-
400
kHz
Table 34. Timing characteristics: I2C-bus
PCF8545
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 2 — 4 October 2021
48 / 68



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