HT45B0F Holtek Semiconductor, HT45B0F Datasheet - Page 4

• Manufacturer Part Number: HT45B0F
• Description: SPI-to-UART Bridge
• Manufacturer: Holtek Semiconductor

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A.C. Characteristics
Rev. 1.00
f
t
t
t
t
t
t
t
t
t
t
t
Symbol
CLKI
CP
CH
CL
CSW
CSS
CSH
SDS
SDH
R
F
W
V
System Clock
(External Clock Input)
SCK Period (t
SCK High Time
SCK Low Time
SCS High Pulse Width
SCS to SCK Setup Time
SCS to SCK Hold Time
SDI to SCK Setup Time
SDI to SCK Hold Time
SPI Output Rise Time
SPI Output Fall Time
SPI Data Output Delay Time
DD
Slew Rate for POR
Parameter
CH
+ t
CL
)
2.0V
2.7V
5.0V
2.0V
2.7V
3.0V
5.0V
2.0V
2.7V
3.0V
5.0V
2.0V
2.7V
3.0V
5.0V
2.0V
2.7V
3.0V
5.0V
V
DD
Test Conditions
4
Conditions
0.0034
Min.
83.3
62.5
62.5
50.0
400
400
400
667
500
500
400
100
100
37
28
28
22
37
28
28
22
0
0
0
Typ.
10
10
12000
16000
20000
Max.
HT45B0F
June 7, 2011
Ta=25 C
V/ms
Unit
kHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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