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HT45B0F Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

No. de pieza HT45B0F
Descripción Electrónicos  SPI-to-UART Bridge
PDF  23 Pages
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Fabricante Electrónico  HOLTEK [Holtek Semiconductor Inc]
Página de inicio  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45B0F Datasheet(HTML) 4 Page - Holtek Semiconductor Inc

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A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
VDD Slew Rate for POR
¾¾
0.0034
¾¾
V/ms
fCLKI
System Clock
(External Clock Input)
2.0V
¾
400
¾
12000
kHz
2.7V
¾
400
¾
16000
kHz
5.0V
¾
400
¾
20000
kHz
tCP
SCK Period (tCH +tCL)
2.0V
¾
83.3
¾¾
ns
2.7V
¾
62.5
¾¾
ns
3.0V
¾
62.5
¾¾
ns
5.0V
¾
50.0
¾¾
ns
tCH
SCK High Time
2.0V
¾
37
¾¾
ns
2.7V
¾
28
¾¾
ns
3.0V
¾
28
¾¾
ns
5.0V
¾
22
¾¾
ns
tCL
SCK Low Time
2.0V
¾
37
¾¾
ns
2.7V
¾
28
¾¾
ns
3.0V
¾
28
¾¾
ns
5.0V
¾
22
¾¾
ns
tCSW
SCS High Pulse Width
2.0V
¾
667
¾¾
ns
2.7V
¾
500
¾¾
ns
3.0V
¾
500
¾¾
ns
5.0V
¾
400
¾¾
ns
tCSS
SCS to SCK Setup Time
¾¾
100
¾¾
ns
tCSH
SCS to SCK Hold Time
¾¾
0
¾¾
ns
tSDS
SDI to SCK Setup Time
¾¾
100
¾¾
ns
tSDH
SDI to SCK Hold Time
¾¾
0
¾¾
ns
tR
SPI Output Rise Time
¾¾
¾
10
¾
ns
tF
SPI Output Fall Time
¾¾
¾
10
¾
ns
tW
SPI Data Output Delay Time
¾¾
0
¾¾
ns
HT45B0F
Rev. 1.00
4
June 7, 2011



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