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PCF8545ATT/A датащи(PDF) 50 Page - NXP Semiconductors

номер детали PCF8545ATT/A
подробное описание детали  Universal LCD driver for multiplex rates up to 1:8
PDF  72 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8545ATT/A датащи(HTML) 50 Page - NXP Semiconductors

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PCF8545
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 1 — 13 November 2013
50 of 72
NXP Semiconductors
PCF8545
Universal LCD driver for multiplex rates up to 1:8
14. Dynamic characteristics
[1]
Frequency present on OSCCLK with default display frequency division factor.
Table 34.
Dynamic characteristics
VDD = 1.8 V to 5.5 V; VSS = 0 V; VLCD = 2.5 V to 5.5 V; Tamb = 40 C to +85 C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fclk
clock frequency
output on pin
OSCCLK; VDD =3.3 V
[1] 7800
9600
11040
Hz
fclk(ext)
external clock frequency
EFR = 0
-
-
250000
Hz
t(RESET_N)
RESET_N pulse width
LOW time
400
-
-
ns
External clock source used on pin OSCCLK
tclk(H)
clock HIGH time
33
-
-
s
tclk(L)
clock LOW time
33
-
-
s
(1)
40 C.
(2) 25
C.
(3) 85
C.
Fig 40. Typical clock frequency with respect to VDD and temperature
External clock source used on pin OSCCLK.
Fig 41. Driver timing waveforms



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